Connecticut / Reports / 2020 /
Connecticut sewage discharges, April 2020
135 records of sewage discharges and water advisories in Connecticut dated in April 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 |
|---|---|---|---|---|---|---|---|
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “100,001 - 500,000 gallons” | Ended (as reported); May 1, 2020, 2:25 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470605, 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 | “50,001 - 100,000 gallons” | Ended (as reported); May 1, 2020, 2:10 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470606, 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 Avenue, Bridgport, CT 06605 | “Undetermined” | Not stated by the source; end not reported | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35962942, reported Apr 30, 2020, 9:58 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); Apr 30, 2020, 8:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469331, 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); Apr 30, 2020, 8:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469330, 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); Apr 30, 2020, 8:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468829, 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-48467226, 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-48467225, 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-48467224, 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); Apr 30, 2020, 7:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468183, 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-48467223, 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); May 1, 2020, 7:40 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470819, 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); May 1, 2020, 4:30 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470688, 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); May 1, 2020, 1:45 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470664, 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 | “50,001 - 100,000 gallons” | Ended (as reported); May 1, 2020, 7:00 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470802, 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 | 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); May 1, 2020, 5:50 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470724, 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 | 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 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467083, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | West River | Greater New Haven WPCA | Basement, 40 Fairfield St, New Haven CT | “Less than 100 gallons.” | Ended (as reported); Apr 29, 2020, 6:41 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964513, reported Apr 29, 2020, 6:46 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, Melrose Park avenue | “1 - 50” | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965739, reported Apr 29, 2020, 6:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, Melrose Park avenue | “1 - 50” | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965738, reported Apr 29, 2020, 6:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, Melrose Park avenue unit #9-11 | 50 gallons | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965323, reported Apr 29, 2020, 6:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, Melrose Park avenue unit #9-11 | 50 gallons | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965322, reported Apr 29, 2020, 6:35 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwich WPCF | Manhole, Melrose Park avenue unit #9-11 | 50 gallons | Not stated by the source; end not reported | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965321, reported Apr 29, 2020, 6:35 PM EDT, 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); Apr 26, 2020, 4:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467824, 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); Apr 26, 2020, 4:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467728, 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); Apr 26, 2020, 5:00 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468295, 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); Apr 26, 2020, 4:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467745, 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); Apr 26, 2020, 11:26 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470847, 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 | “Undetermined” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467146, 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); Apr 24, 2020, 6:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469206, 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); Apr 24, 2020, 5:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468427, 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); Apr 24, 2020, 5:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468426, 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); Apr 24, 2020, 5:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468191, 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” | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467435, 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-48467222, 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-48467221, 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-48467220, 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-48467219, 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); Apr 24, 2020, 3:20 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470520, 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); Apr 24, 2020, 3:45 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467744, 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 | The Metropolitan District | Basement, 65 COLUMBUS ST | “1 - 50” | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964830, reported Apr 23, 2020, 3:45 PM EDT, 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, 65 COLUMBUS ST | “LESS THAN 10g” | Ended (as reported); Apr 23, 2020, 3:35 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964829, reported Apr 23, 2020, 3:45 PM EDT, 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, 51 Bagley Ave, Hamden CT | 190 gallons | Ended (as reported); Apr 22, 2020, 3:10 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964334, reported Apr 22, 2020, 3:37 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 | “LESS THAN 500g” | Ended (as reported); Apr 21, 2020, 7:50 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963762, reported Apr 21, 2020, 6:05 PM 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); Apr 21, 2020, 5:45 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469208, 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); Apr 21, 2020, 5:00 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468435, 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); Apr 21, 2020, 5:00 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468434, 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); Apr 21, 2020, 4:45 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468193, 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 | “5,001 - 20,000 gallons” | Ended (as reported); Apr 21, 2020, 3:55 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467736, 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); Apr 21, 2020, 4:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468297, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Apr 21, 2020, 3:50 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467719, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 21, 2020, 5:05 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469862, 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 | not provided | “Over 1,000,000 gallons” | Ended (as reported); Apr 21, 2020, 6:39 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470134, 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); Apr 21, 2020, 4:40 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470336, 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); Apr 21, 2020, 5:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470386, 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 | “50,001 - 100,000 gallons” | Ended (as reported); Apr 21, 2020, 4:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470353, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Apr 21, 2020, 4:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470344, 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); Apr 21, 2020, 5:35 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470400, 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); Apr 21, 2020, 4:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470350, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Norwalk River | Norwalk WPCF | Manhole, 42 Bouton St | 2,500 gallons | Ended (as reported); Apr 19, 2020, 7:45 PM EDT | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964715, reported Apr 19, 2020, 8:39 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Norwalk River | Norwalk WPCF | Manhole, 42 Bouton St | 2,500 gallons | Ended (as reported); Apr 19, 2020, 7:45 PM EDT | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964714, reported Apr 19, 2020, 8:39 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Norwalk River | Norwalk WPCF | 42 Bouton St | “Undetermined” | Not stated by the source; end not reported | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964681, reported Apr 19, 2020, 8:39 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 | “.0131mg” | Ended (as reported); Apr 18, 2020, 9:33 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963478, reported Apr 18, 2020, 11:21 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); Apr 18, 2020, 5:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469342, 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); Apr 18, 2020, 4:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468864, 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); Apr 18, 2020, 4:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468433, 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); Apr 18, 2020, 4:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468430, 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); Apr 18, 2020, 2:45 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467654, 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); Apr 18, 2020, 2:49 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470591, 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); Apr 18, 2020, 4:45 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470247, 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 | Waterbury WPCF | Basement, 389 Berkley Avenue | “50 - 100 gallons” | Ended (as reported); Apr 16, 2020, 11:45 PM EDT | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965027, reported Apr 16, 2020, 11:53 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | New Haven Harbor | West Haven | Manhole, 5 beach st | “1 - 50” | Ended (as reported); Apr 16, 2020, 3:53 PM EDT | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35965088, reported Apr 16, 2020, 3:56 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Housatonic River | Stratford | Manhole, Main Street | 1,800 gallons | Ended (as reported); Apr 14, 2020, 2:15 PM EDT | Stratford (CT DEEP reporting archive 2016-2021), record bypass-35963267, reported Apr 16, 2020, 7:41 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Quinnipiac River | Meriden | Pump Station, 226 Evansville Ave Meriden CT | 30,000 gallons | Ended (as reported); Apr 14, 2020, 8:18 AM EDT | Meriden (CT DEEP reporting archive 2016-2021), record bypass-35963721, reported Apr 14, 2020, 8:34 AM EDT, 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, 79 Maple St, New Haven | “Less than 100 gallons.” | Ended (as reported); Apr 13, 2020, 8:55 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35965411, reported Apr 13, 2020, 9:15 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Connecticut River | Mattabassett District | Treatment Plant, River Road | 10.55 million gallons | Ended (as reported); Apr 14, 2020, 12:30 PM EDT | Mattabassett District (CT DEEP reporting archive 2016-2021), record bypass-35963521, reported Apr 13, 2020, 6:08 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Connecticut River | Mattabassett District | Treatment Plant, 245 Main Street Cromwell CT 06416 | “Over 1,000,000 gallons” | Not stated by the source; end not reported | Mattabassett District (CT DEEP reporting archive 2016-2021), record bypass-35963522, reported Apr 14, 2020, 11:48 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | The Metropolitan District | Pump Station, Stonehedge Waste Water Pump Station ( Occhialini CT ) | 13,500 gallons | Ended (as reported); Apr 14, 2020, 2:30 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963410, reported Apr 13, 2020, 6:04 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Carr Brook” | The Metropolitan District | Pump Station, 898 Carr Ave | 13,500 gallons | Ended (as reported); Apr 13, 2020, 11:15 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965531, reported Apr 13, 2020, 5:29 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 021 | “5,001 - 20,000 gallons” | Ended (as reported); Apr 13, 2020, 4:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467895, 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, TROUT BROOK N/O QUAKER LN | 96,000 gallons | Ended (as reported); Apr 13, 2020, 9:06 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963497, reported Apr 13, 2020, 3:59 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Trout Brook | The Metropolitan District | TALCOTT RD @ CHELTON AVE | 2.37 million gallons | Ended (as reported); Apr 13, 2020, 11:08 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963451, reported Apr 13, 2020, 3:32 PM 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 | 0 gallons | Ended (as reported); Apr 13, 2020, 1:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48467024, 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 | HILLCREST AVE | 9 gallons | Ended (as reported); Apr 15, 2020, 3:39 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35963434, reported Apr 13, 2020, 1:51 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 029 | “1,001 - 5,000 gallons” | Ended (as reported); Apr 13, 2020, 4:05 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470139, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 13, 2020, 4:00 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470129, 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); Apr 14, 2020, 7:20 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470787, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 13, 2020, 7:05 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470382, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 13, 2020, 5:10 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470303, 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 | 76 HOUS | “5,001 - 20,000 gallons” | Ended (as reported); Apr 13, 2020, 11:00 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48469568, 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 | “5,001 - 20,000 gallons” | Ended (as reported); Apr 13, 2020, 11:00 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48469499, 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 | Ended (as reported); Apr 13, 2020, 11:00 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48469394, 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-35962906, reported Apr 13, 2020, 7:43 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); Apr 13, 2020, 9:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469769, 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); Apr 13, 2020, 8:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468968, 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); Apr 13, 2020, 8:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468967, 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); Apr 13, 2020, 8:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468533, 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); Apr 13, 2020, 5:25 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470469, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 13, 2020, 7:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470546, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Apr 13, 2020, 8:05 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470573, 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 | “500,001 - 999,999 gallons” | Ended (as reported); Apr 14, 2020, 1:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470817, 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 | “50,001 - 100,000 gallons” | Ended (as reported); Apr 14, 2020, 12:50 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470644, 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); Apr 14, 2020, 6:50 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470832, 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); Apr 14, 2020, 12:59 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470725, 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 | The Metropolitan District | Manhole, POQUOCNOCK AVE | “100-1000” | Ended (as reported); Apr 12, 2020, 5:45 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965360, reported Apr 12, 2020, 4:23 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | New Haven Harbor | West Haven | Basement, 412 Kelsey Ave | 10 gallons | Ended (as reported); Apr 11, 2020, 7:14 PM EDT | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35965493, reported Apr 11, 2020, 7:17 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Long Island Sound | West Haven | Manhole, Corner of Annawon Ave and Ocean Ave | 10 gallons | Ended (as reported); Apr 11, 2020, 10:45 AM EDT | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35964323, reported Apr 11, 2020, 11:39 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Cedar Creek | Bridgeport Westside | Treatment Plant, 205 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-35962905, reported Apr 9, 2020, 2:50 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 031 | “501 - 1,000 gallons” | Ended (as reported); Apr 9, 2020, 2:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469074, 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); Apr 9, 2020, 2:45 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469383, 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); Apr 9, 2020, 2:00 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468969, 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); Apr 9, 2020, 1:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468312, 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); Apr 9, 2020, 1:30 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468311, 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 | “20,001 - 50,000 gallons” | Ended (as reported); Apr 9, 2020, 1:00 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467948, 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); Apr 9, 2020, 12:50 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467849, 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 | “500,001 - 999,999 gallons” | Ended (as reported); Apr 9, 2020, 6:10 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470316, 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); Apr 9, 2020, 2:50 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469960, 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 | “5,001 - 20,000 gallons” | Ended (as reported); Apr 9, 2020, 2:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469930, 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); Apr 9, 2020, 2:30 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469927, 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); Apr 9, 2020, 2:15 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469879, 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); Apr 9, 2020, 3:00 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470086, 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 | “50,001 - 100,000 gallons” | Ended (as reported); Apr 9, 2020, 3:40 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470171, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Branford River | Branford | Sewer Main, exit 55 bottom of ramp off I 95 turnpike | 50 gallons | Ended (as reported); Apr 9, 2020, 11:30 AM EDT | Branford (CT DEEP reporting archive 2016-2021), record bypass-35963082, reported Apr 9, 2020, 12:29 PM EDT, 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, 184 Thompson St, East Haven CT | 1,242 gallons | Ended (as reported); Apr 8, 2020, 7:05 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35965284, reported Apr 8, 2020, 7:46 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Branford River | Branford | Sewer Main, end of exit 55 of I95 in branford , ct | 12,000 gallons | Ended (as reported); Apr 8, 2020, 3:27 PM EDT | Branford (CT DEEP reporting archive 2016-2021), record bypass-35964231, reported Apr 8, 2020, 4:51 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Mill Brook” | The Metropolitan District | Manhole, 175 Cedar St. Newington, CT | “<1000g” | Ended (as reported); Apr 8, 2020, 1:04 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35965525, reported Apr 8, 2020, 11:36 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Thames River | Norwich WPCF | Pump Station, South Thames Street | 25,596 gallons | Ended (as reported); Apr 8, 2020, 9:00 AM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963089, reported Apr 8, 2020, 11:59 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); Apr 8, 2020, 6:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469159, 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); Apr 8, 2020, 6:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468365, 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); Apr 8, 2020, 6:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468364, 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); Apr 8, 2020, 5:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468125, 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); Apr 9, 2020, 4:22 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470720, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “GULLY BROOK CONDUIT” | The Metropolitan District | Manhole, WESTLAND ST | “Undetermined” | Ended (as reported); Apr 4, 2020, 12:38 PM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record bypass-35964106, reported Apr 4, 2020, 12:43 PM EDT, 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); Apr 3, 2020, 5:15 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467710, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Bantam Lake | Morris | Manhole, TEST TEST TEST | “TEST TEST TEST” | Not stated by the source; end not reported | Morris (CT DEEP reporting archive 2016-2021), record bypass-35964556, reported Apr 2, 2020, 8:21 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record |