Connecticut / Reports / 2020 /
Connecticut sewage discharges, March 2020
93 records of sewage discharges and water advisories in Connecticut dated in March 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) | “Split Rock Brook” | Waterbury WPCF | Pump Station, 255 Harwood Road Piping Rock Pump Station | “not known” | Ended (as reported); Mar 31, 2020, 9:30 AM EDT | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963152, reported Mar 31, 2020, 12:23 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Piper Brook | The Metropolitan District | Manhole, HILLCREST | “5,001 - 20,000 gallons” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963515, reported Mar 29, 2020, 2:14 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “1,001 - 5,000 gallons” | Ended (as reported); Mar 29, 2020, 7:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470381, 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); Mar 29, 2020, 7:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470387, 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); Mar 29, 2020, 7:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470388, 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); Mar 29, 2020, 7:40 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470506, 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 | “501 - 1,000 gallons” | Ended (as reported); Mar 29, 2020, 7:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470509, 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); Mar 29, 2020, 8:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469670, 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); Mar 29, 2020, 7:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468848, 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); Mar 29, 2020, 6:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468418, 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); Mar 29, 2020, 6:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468416, 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); Mar 29, 2020, 7:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470581, 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 | Basement, 24 Nordon Ave. | 750 gallons | Ended (as reported); Mar 29, 2020, 10:29 AM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964795, reported Mar 29, 2020, 10:58 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | not provided | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467085, 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, 82 Oliver Rd, New Haven CT | “Less than 20 gallons were discharged into the basement.” | Ended (as reported); Mar 26, 2020, 8:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35965228, reported Mar 26, 2020, 9:14 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | South Branch Park River | The Metropolitan District | Basement, Montrose st | “TBD” | Ended (as reported); Mar 24, 2020, 5:31 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964454, reported Mar 24, 2020, 5:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Ox Brook” | Bridgeport Westside | Manhole, 82 Goldenrod Avenue Bridgeport CT | 500 gallons | Ended (as reported); Mar 24, 2020, 11:06 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35964345, reported Mar 24, 2020, 11:29 AM EDT, 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); Mar 24, 2020, 1:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469156, 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); Mar 24, 2020, 1:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468663, 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); Mar 24, 2020, 12:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468357, 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); Mar 24, 2020, 12:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468122, 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, TROUTBROOK DR / QUAKER LA | 4,000 gallons | Ended (as reported); Mar 24, 2020, 12:09 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963726, reported Mar 23, 2020, 10:43 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Trout Brook | The Metropolitan District | Manhole, TALCOTT RD AND CHELTON RD | 461,000 gallons | Ended (as reported); Mar 24, 2020, 1:17 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963727, reported Mar 23, 2020, 10:37 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Piper Brook | The Metropolitan District | Manhole, West of Hillcrest Ave | 2.39 million gallons | Ended (as reported); Mar 24, 2020, 9:17 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963763, reported Mar 23, 2020, 8:59 PM EDT, 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); Mar 23, 2020, 11:20 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470063, 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 | 49 WALL | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468806, 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 | CHUR 22 | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468781, 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); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468777, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | “Johnson's Creek” | City of Bridgeport WPCA - East Side WPCF | BAYEL 6 | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468744, 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 | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468705, 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 | WANN 153 | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468613, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Bridgeport Harbor | City of Bridgeport WPCA - West Side WPCF | 84 ARBOR | “50,001 - 100,000 gallons” | Ended (as reported); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468612, 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); Mar 23, 2020, 8:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468597, 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 | WANN 153 | 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-48466997, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor | Bridgeport Eastside | Treatment Plant, 695 Seaview Avenue, Bridgeport, CT 06607 | “2.2” | Ended (as reported); Mar 23, 2020, 11:15 PM EDT | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962938, reported Mar 23, 2020, 7:11 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 031 | “5,001 - 20,000 gallons” | Ended (as reported); Mar 23, 2020, 8:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469767, 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 | 031 | “5,001 - 20,000 gallons” | Ended (as reported); Mar 23, 2020, 8:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469766, 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); Mar 23, 2020, 8:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469746, 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 | “501 - 1,000 gallons” | Ended (as reported); Mar 23, 2020, 8:20 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469715, 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 | “20,001 - 50,000 gallons” | Ended (as reported); Mar 23, 2020, 8:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469790, 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); Mar 24, 2020, 6:30 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470548, 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); Mar 23, 2020, 8:55 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469947, 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); Mar 23, 2020, 10:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470183, 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); Mar 23, 2020, 9:05 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470012, 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 | “20,001 - 50,000 gallons” | Ended (as reported); Mar 23, 2020, 10:55 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470245, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Cedar Creek | Bridgeport Westside | Treatment Plant, Bostwick Ave | “500,001 - 999,999 gallons” | Not stated by the source; end not reported | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963324, reported Mar 23, 2020, 5:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | not provided | “Over 1,000,000 gallons” | Ended (as reported); Mar 24, 2020, 3:22 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470517, 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); Mar 23, 2020, 5:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469374, 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); Mar 23, 2020, 4:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468514, 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); Mar 23, 2020, 4:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468512, 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); Mar 23, 2020, 4:15 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468277, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Yantic River | Norwich WPCF | Sewer Main, Sherman ST | “approximately 2400 gals/ 20gpm for 2hrs” | Ended (as reported); Mar 22, 2020, 6:20 PM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965138, reported Mar 22, 2020, 7:15 PM EDT, 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); Mar 19, 2020, 9:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469177, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Mar 19, 2020, 2:54 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467489, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Bridgeport Harbor | Bridgeport Eastside | Treatment Plant, 695 Seaview Avenue, Bridgeport, CT 06607 | “Undetermined” | Not stated by the source; end not reported | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35962931, reported Mar 19, 2020, 7:56 AM EDT, 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 | WANN 153 | “50,001 - 100,000 gallons” | Ended (as reported); Mar 19, 2020, 7:15 AM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468169, 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); Mar 19, 2020, 7:15 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468105, 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); Mar 19, 2020, 6:45 AM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48467025, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | 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-35963323, reported Mar 19, 2020, 7:22 AM EDT, 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); Mar 19, 2020, 8:00 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469274, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Mar 19, 2020, 6:35 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468055, 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); Mar 19, 2020, 7:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469308, 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); Mar 19, 2020, 6:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468660, 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); Mar 19, 2020, 6:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468355, 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); Mar 19, 2020, 6:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468351, 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 | not provided | “Over 1,000,000 gallons” | Ended (as reported); Mar 19, 2020, 2:34 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470474, 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); Mar 19, 2020, 9:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470255, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Shetucket River | Norwich WPCF | Pump Station, 8 city lndg norwich pump station | 38,246 gallons | Ended (as reported); Mar 17, 2020, 5:00 PM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963090, reported Mar 17, 2020, 5:05 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | not provided | “Over 1,000,000 gallons” | Ended (as reported); Mar 13, 2020, 7:48 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467141, 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); Mar 13, 2020, 10:35 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468520, 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); Mar 13, 2020, 4:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469219, 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); Mar 13, 2020, 3:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468882, 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); Mar 13, 2020, 3:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468881, 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); Mar 13, 2020, 3:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468447, 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); Mar 13, 2020, 1:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468469, 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 | “501 - 1,000 gallons” | Ended (as reported); Mar 13, 2020, 1:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468017, 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 | Naugatuck WPCF | Basement, 128 Millville Ave | “51 - 500 gallons” | Ended (as reported); Mar 6, 2020, 11:00 PM EST | Naugatuck WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964838, reported Mar 6, 2020, 7:33 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Connecticut River | East Windsor WPCF | Treatment Plant, 192 South Water Street, East Windsor, CT | 0 gallons | Ended (as reported); Mar 6, 2020, 11:59 AM EST | East Windsor WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963016, reported Mar 6, 2020, 1:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “1,001 - 5,000 gallons” | Ended (as reported); Mar 3, 2020, 6:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467829, 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); Mar 3, 2020, 6:20 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468152, 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); Mar 3, 2020, 7:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468975, 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); Mar 3, 2020, 6:30 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468320, 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); Mar 3, 2020, 6:15 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468080, 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); Mar 4, 2020, 12:45 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470337, 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); Mar 3, 2020, 6:30 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468352, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Mar 3, 2020, 5:55 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467831, 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 | not provided | “Over 1,000,000 gallons” | Ended (as reported); Mar 4, 2020, 7:21 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470585, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | West River | West Haven | Sewer Main, 10 boston post rd | “1 - 50” | Ended (as reported); Mar 4, 2020, 8:40 AM EST | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35964657, reported Mar 4, 2020, 8:42 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Stratford | Treatment Plant, Birdseye Rd. | 830,000 gallons | Ended (as reported); Mar 2, 2020, 11:00 AM EST | Stratford (CT DEEP reporting archive 2016-2021), record bypass-35963043, reported Mar 4, 2020, 11:42 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Stratford | Treatment Plant, Beacon Point Rd | “Undetermined” | Ended (as reported); Mar 2, 2020, 11:00 AM EST | Stratford (CT DEEP reporting archive 2016-2021), record bypass-35963042, reported Mar 2, 2020, 1:19 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Derby | Treatment Plant, Camptown road | 100 gallons | Ended (as reported); Jul 9, 2021, 11:30 AM EDT | Derby (CT DEEP reporting archive 2016-2021), record bypass-35964652, reported Mar 2, 2020, 8:44 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Derby | Treatment Plant, Camptown road | 100 gallons | Ended (as reported); Jul 9, 2021, 12:00 AM EDT | Derby (CT DEEP reporting archive 2016-2021), record bypass-35964595, reported Mar 2, 2020, 8:44 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Housatonic River | Derby | Manhole, Camptown road | 100 gallons | Not stated by the source; end not reported | Derby (CT DEEP reporting archive 2016-2021), record bypass-35964594, reported Mar 2, 2020, 8:44 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record |