Connecticut / Reports / 2020 /
Connecticut sewage discharges, November 2020
164 records of sewage discharges and water advisories in Connecticut dated in November 2020, newest first. Each record keeps the source's own times and wording.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-02 21:26 UTC.
| Start | Type | Water | Sewer operator | Outlet | Volume | Status and end | Source and record |
|---|---|---|---|---|---|---|---|
| Sanitary sewer overflow (SSO) | Trout Brook | The Metropolitan District | Manhole, Trout Brook Dr | “<100g” | Ended (as reported); Nov 30, 2020, 12:00 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963481, reported Nov 30, 2020, 9:04 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Trout Brook | The Metropolitan District | Manhole, Trout Brook Dr | “<100g” | Ended (as reported); Nov 30, 2020, 10:12 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963471, reported Nov 30, 2020, 9:04 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 024 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 30, 2020, 5:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467700, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Piper Brook | The Metropolitan District | Manhole, HILLCREST AVE WH | 2.6 million gallons | Ended (as reported); Dec 1, 2020, 2:33 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963503, reported Nov 30, 2020, 5:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Piper Brook | The Metropolitan District | Manhole, HILLCREST AVE WH | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963502, reported Nov 30, 2020, 5:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Piper Brook | The Metropolitan District | Manhole, HILLCREST AVE WH | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963482, reported Nov 30, 2020, 5:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | 0 gallons | Ended (as reported); Nov 30, 2020, 3:30 PM EST | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48467010, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466943, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 1.93 million gallons | Ended (as reported); Nov 30, 2020, 7:30 PM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962927, reported Nov 30, 2020, 4:27 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | “Undetermined” | Ended (as reported); Nov 30, 2020, 7:30 PM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962926, reported Nov 30, 2020, 4:27 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 20 Dorian Terrace | “1 - 50” | Ended (as reported); Nov 30, 2020, 4:20 PM EST | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964400, reported Nov 30, 2020, 5:13 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Shetucket River | Norwich WPCF | Pump Station, 8 city landing | 185,076 gallons | Ended (as reported); Nov 30, 2020, 3:40 PM EST | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963185, reported Dec 1, 2020, 3:06 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Shetucket River | Norwich WPCF | Pump Station, 8 city landing | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 3:40 PM EST | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963184, reported Dec 1, 2020, 3:06 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Ash Creek | City of Bridgeport WPCA - West Side WPCF | 91 DEW | “20,001 - 50,000 gallons” | Ended (as reported); Dec 30, 2020, 2:30 PM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48470885, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Black Rock Harbor | City of Bridgeport WPCA - West Side WPCF | 87 ANTH | “50,001 - 100,000 gallons” | Ended (as reported); Nov 30, 2020, 2:30 PM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468165, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 2:30 PM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468100, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466942, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave | 11.28 million gallons | Ended (as reported); Nov 30, 2020, 9:20 PM EST | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962925, reported Nov 30, 2020, 1:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “Over 1,000,000 gallons” | Ended (as reported); Dec 1, 2020, 9:05 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470666, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “Over 1,000,000 gallons” | Ended (as reported); Dec 1, 2020, 9:05 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470665, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 30, 2020, 7:15 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470293, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467522, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 30, 2020, 10:10 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470422, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 30, 2020, 10:25 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470438, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 30, 2020, 8:20 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470354, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 8:15 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470347, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 2:45 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469368, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 2:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468930, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 1:45 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468497, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 30, 2020, 1:45 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468496, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467405, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467401, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467399, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467394, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, 4 Shipping Street | 825 gallons | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965425, reported Nov 30, 2020, 5:21 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, 4 Shipping Street | “51 - 500 gallons” | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965424, reported Nov 30, 2020, 5:21 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, 4 Shipping Street | 825 gallons | Ended (as reported); Nov 30, 2020, 2:20 PM EST | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964791, reported Nov 30, 2020, 5:21 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, 4 Shipping Street | 825 gallons | Ended (as reported); Nov 30, 2020, 2:20 PM EST | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964790, reported Nov 30, 2020, 5:21 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | South Branch Park River | The Metropolitan District | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Over 1,000,000 gallons” | Ended (as reported); Nov 30, 2020, 10:38 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470516, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | South Branch Park River | The Metropolitan District | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467149, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “100,001 - 500,000 gallons” | Ended (as reported); Dec 1, 2020, 12:20 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470565, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “100,001 - 500,000 gallons” | Ended (as reported); Dec 1, 2020, 12:20 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470564, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Trout Brook | The Metropolitan District | Manhole, TALCOTT RD | 13,000 gallons | Ended (as reported); Nov 30, 2020, 10:48 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963475, reported Nov 30, 2020, 8:47 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Long Island Sound | West Haven | Manhole, 24 Annawon Ave | “1 - 50” | Ended (as reported); Nov 29, 2020, 3:44 PM EST | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35964679, reported Nov 29, 2020, 3:40 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Greater New Haven WPCA | Basement, 112 Maple St New Haven CT | 46 gallons | Ended (as reported); Nov 26, 2020, 12:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35965282, reported Nov 26, 2020, 12:48 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | “100,001 - 500,000 gallons” | Ended (as reported); Dec 26, 2020, 11:30 AM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48470881, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Ash Creek | City of Bridgeport WPCA - West Side WPCF | 91 DEW | “50,001 - 100,000 gallons” | Ended (as reported); Nov 26, 2020, 11:30 AM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468807, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Ash Creek | City of Bridgeport WPCA - West Side WPCF | 91 DEW | “50,001 - 100,000 gallons” | Ended (as reported); Nov 26, 2020, 11:30 AM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468759, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Black Rock Harbor | City of Bridgeport WPCA - West Side WPCF | 87 ANTH | “50,001 - 100,000 gallons” | Ended (as reported); Nov 26, 2020, 11:30 AM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468737, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 26, 2020, 11:30 AM EST | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468586, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 26, 2020, 12:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469843, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 26, 2020, 9:35 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468468, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 26, 2020, 9:00 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467932, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 26, 2020, 12:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470091, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 26, 2020, 9:05 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468148, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 26, 2020, 12:50 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470143, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “51 - 500 gallons” | Ended (as reported); Nov 26, 2020, 12:35 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470162, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 2.05 million gallons | Ended (as reported); Nov 26, 2020, 12:00 PM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962964, reported Nov 26, 2020, 8:02 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 26, 2020, 9:15 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469375, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 26, 2020, 8:30 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468948, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 26, 2020, 8:15 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468513, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 26, 2020, 8:00 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468275, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave. | 6.57 million gallons | Ended (as reported); Nov 26, 2020, 12:00 PM EST | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962968, reported Nov 26, 2020, 7:54 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | “Over 1,000,000 gallons” | Ended (as reported); Nov 26, 2020, 3:15 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470478, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Long Island Sound | Darien | Lateral - Private, 180 Long Neck Point Road | “Less than 5 gallons. Enough to cover a 9 square foot area” | Ended (as reported); Nov 25, 2020, 3:30 PM EST | Darien (CT DEEP reporting archive 2016-2021), record bypass-35964228, reported Nov 30, 2020, 10:12 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Greater New Haven WPCA | Manhole, 1376 Shepard Ave Hamden CT | “Less than 25 gallons.” | Ended (as reported); Nov 24, 2020, 6:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35965293, reported Nov 24, 2020, 6:43 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Greater New Haven WPCA | Manhole, 8 Bouchet La, New Haven CT | “Less than 25 gallons.” | Ended (as reported); Nov 24, 2020, 1:20 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964527, reported Nov 24, 2020, 2:20 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466934, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466933, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 6.61 million gallons | Ended (as reported); Nov 23, 2020, 12:25 PM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962979, reported Nov 23, 2020, 9:31 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | “Undetermined” | Not stated by the source; end not reported | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962978, reported Nov 23, 2020, 9:31 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 024 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 23, 2020, 8:15 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468199, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave. | 6.61 million gallons | Ended (as reported); Nov 23, 2020, 12:25 PM EST | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962971, reported Nov 23, 2020, 8:16 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave. | “Undetermined” | Not stated by the source; end not reported | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962970, reported Nov 23, 2020, 8:16 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 23, 2020, 1:25 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470306, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467082, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467081, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467279, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467278, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467277, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467276, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 024 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467517, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 029 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467518, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467519, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467512, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 032 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 23, 2020, 11:00 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470379, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 032 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 23, 2020, 11:00 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470378, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 032 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 23, 2020, 10:55 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470375, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 032 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467521, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 031 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 23, 2020, 10:55 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470385, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 031 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467520, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467516, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467514, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467513, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467515, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467511, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Greater New Haven WPCA | Basement, 1580 Quinnipiac Ave, New Haven CT | 372 gallons | Ended (as reported); Nov 22, 2020, 9:25 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964394, reported Nov 22, 2020, 9:52 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | The Metropolitan District | Basement, 476 franklin ave | “1 - 50” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965503, reported Nov 20, 2020, 9:56 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | The Metropolitan District | Basement, 476 franklin ave | 10 gallons | Ended (as reported); Nov 20, 2020, 10:20 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964848, reported Nov 20, 2020, 9:56 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | The Metropolitan District | Basement, 476 franklin ave | “1 - 50” | Ended (as reported); Nov 20, 2020, 10:20 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964846, reported Nov 20, 2020, 9:56 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 15, 2020, 11:30 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468380, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 15, 2020, 11:00 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469170, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 15, 2020, 10:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469169, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 15, 2020, 10:30 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469054, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “51 - 500 gallons” | Ended (as reported); Nov 15, 2020, 10:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469323, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 15, 2020, 11:15 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469789, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | “Over 1,000,000 gallons” | Ended (as reported); Nov 15, 2020, 11:44 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470045, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467086, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Cove River | West Haven | Manhole, 88 miami st | “51 - 500 gallons” | Ended (as reported); Nov 13, 2020, 8:51 AM EST | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35964626, reported Nov 13, 2020, 8:53 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467505, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 12, 2020, 12:15 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470562, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467510, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467509, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | 0 gallons | Ended (as reported); Nov 11, 2020, 11:00 PM EST | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48467008, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466930, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Yellow Mill Pond | City of Bridgeport WPCA - East Side WPCF | BARN 18 | volume not reported | Not stated by the source; end not reported | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48466929, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 11, 2020, 11:00 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467704, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467506, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 11, 2020, 11:10 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468001, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “51 - 500 gallons” | Ended (as reported); Nov 11, 2020, 11:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467965, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467508, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467507, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 11, 2020, 11:20 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468261, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 11, 2020, 11:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468041, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport WPCA - West Side WPCF | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | “100,001 - 500,000 gallons” | Ended (as reported); Nov 11, 2020, 10:30 PM EST | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468098, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 11, 2020, 10:45 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468947, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 11, 2020, 10:15 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468270, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 11, 2020, 10:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468048, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 11, 2020, 10:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468045, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “50,001 - 100,000 gallons” | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467452, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | not provided | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467275, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467274, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | not provided | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467273, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467272, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 1.54 million gallons | Ended (as reported); Nov 12, 2020, 12:30 AM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962922, reported Nov 11, 2020, 9:35 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | “Undetermined” | Ended (as reported); Nov 12, 2020, 12:30 AM EST | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962921, reported Nov 11, 2020, 9:35 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor, Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | “Undetermined” | Not stated by the source; end not reported | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962920, reported Nov 11, 2020, 9:35 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 12, 2020, 7:35 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470795, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “Undetermined” | Not stated by the source; end not reported | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467504, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | “Over 1,000,000 gallons” | Ended (as reported); Nov 13, 2020, 2:10 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470731, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467091, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave | 4.94 million gallons | Ended (as reported); Nov 12, 2020, 1:10 AM EST | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962953, reported Nov 11, 2020, 9:45 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave | “Undetermined” | Ended (as reported); Nov 12, 2020, 12:00 AM EST | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962952, reported Nov 11, 2020, 9:45 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound, Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave | “Undetermined” | Not stated by the source; end not reported | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962951, reported Nov 11, 2020, 9:45 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Connecticut River | The Metropolitan District | Manhole, 64 Stone St Hartford Ct | “Undetermined” | Ended (as reported); Nov 4, 2020, 12:00 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965751, reported Nov 3, 2020, 10:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Connecticut River | The Metropolitan District | Manhole, 64 Stone St Hartford Ct | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965750, reported Nov 3, 2020, 10:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Connecticut River | The Metropolitan District | Manhole, 64 Stone St Hartford Ct | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965749, reported Nov 3, 2020, 10:32 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 1, 2020, 10:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470010, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “51 - 500 gallons” | Ended (as reported); Nov 1, 2020, 7:00 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467657, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “51 - 500 gallons” | Ended (as reported); Nov 1, 2020, 7:50 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468900, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 1, 2020, 7:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468688, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 1, 2020, 8:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469114, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 1, 2020, 7:30 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468464, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 1, 2020, 5:45 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467439, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 1, 2020, 5:30 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467438, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 1, 2020, 5:30 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467437, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 1, 2020, 6:15 AM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467436, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467271, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467270, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467269, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | volume not reported | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467268, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 1, 2020, 9:20 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470197, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | “Over 1,000,000 gallons” | Ended (as reported); Nov 1, 2020, 9:19 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470333, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits: P-1, P-2, P-3, P-4, P-5, P-9, P-10, P-11A, P-12, P-13, P-15, P-15A, P-18, P-19, P-23, P-24; N-12, N-14, N-22, N-23, N-24, N-25 N-28A, N-28B, N-29 ; P-16, P-16A; G-20, G-2, G-8 – G12, G13W, G-13E, G-15, G-17A, G-17B, G-19, G-21, G-23 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467090, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record |