Connecticut / Reports / 2020 /
Connecticut sewage discharges, September 2020
86 records of sewage discharges and water advisories in Connecticut dated in September 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) | Shetucket River | Norwich WPCF | Manhole, 10 Roosevelt Ave. | 11,419 gallons | Ended (as reported); Sep 30, 2020, 12:25 PM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963198, reported Oct 1, 2020, 8:59 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 | BARN 18 | “20,001 - 50,000 gallons” | Ended (as reported); Sep 30, 2020, 6:30 AM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468110, 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); Sep 30, 2020, 6:30 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468099, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 970,000 gallons | Ended (as reported); Sep 30, 2020, 8:00 AM EDT | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35963331, reported Oct 2, 2020, 10:18 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | 970,000 gallons | Ended (as reported); Sep 30, 2020, 8:00 AM EDT | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35963330, reported Oct 2, 2020, 10:18 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview Ave | “.97mg” | Ended (as reported); Sep 30, 2020, 8:00 AM EDT | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35963327, reported Sep 30, 2020, 7:57 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Avenue, Bridgeport CT 06605 | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963543, reported Sep 30, 2020, 7:37 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Avenue, Bridgeport CT 06605 | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963542, reported Sep 30, 2020, 7:37 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 | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963333, reported Oct 2, 2020, 10:27 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 | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963332, reported Oct 2, 2020, 10:27 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. | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963329, reported Oct 2, 2020, 11:51 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. | 3.5 million gallons | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963328, reported Oct 2, 2020, 11:51 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 | “3.5” | Ended (as reported); Sep 30, 2020, 8:25 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963326, reported Sep 30, 2020, 7:49 AM EDT, 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); Sep 30, 2020, 5:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469118, 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); Sep 30, 2020, 5:00 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468891, 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); Sep 30, 2020, 4:35 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468287, 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); Sep 30, 2020, 6:55 PM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470593, 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); Sep 30, 2020, 5:00 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468953, 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); Sep 30, 2020, 3:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467768, 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); Sep 30, 2020, 3:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467740, 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); Sep 30, 2020, 3:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467718, 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); Sep 30, 2020, 3:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467717, 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); Sep 30, 2020, 3:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467716, 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); Sep 30, 2020, 4:30 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469271, 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); Sep 30, 2020, 1:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469224, 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 | Ended (as reported); Sep 30, 2020, 1:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469211, 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); Sep 30, 2020, 1:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468452, 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); Sep 30, 2020, 1:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468451, 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); Sep 30, 2020, 12:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468210, 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-48467404, 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-48467403, 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-48467398, 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-48467397, 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); Sep 30, 2020, 8:20 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470425, 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); Sep 30, 2020, 8:20 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470424, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Farmington River | Simsbury WPCF | Treatment Plant, 36 Drake Hill Road | “20,001 - 50,000 gallons” | Ended (as reported); Sep 29, 2020, 9:00 AM EDT | Simsbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963127, reported Oct 20, 2020, 9:13 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Naugatuck River | Naugatuck WPCF | Manhole, 14 Salem st | “1 - 50” | Ended (as reported); Sep 24, 2020, 9:30 PM EDT | Naugatuck WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965258, reported Sep 25, 2020, 7:25 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwalk WPCF | Sewer Main, 220 Strawberry Hill Ave and King Street | “Undetermined” | Ended (as reported); Sep 23, 2020, 2:00 PM EDT | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964799, reported Sep 22, 2020, 8:43 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 | Manhole, 29 Tabor Rd. Hamden | “less than 40 gallons” | Ended (as reported); Sep 22, 2020, 3:15 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964751, reported Sep 22, 2020, 3:36 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Farmington River | Simsbury WPCF | Treatment Plant, 36 Drake Hill Road | “20,001 - 50,000 gallons” | Ended (as reported); Sep 22, 2020, 2:57 PM EDT | Simsbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963088, reported Sep 22, 2020, 4:05 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Quinnipiac River | Wallingford | Treatment Plant, 155 John Street | 0 gallons | Ended (as reported); Sep 16, 2020, 2:58 PM EDT | Wallingford (CT DEEP reporting archive 2016-2021), record bypass-35962991, reported Sep 17, 2020, 3:05 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Long Island Sound | West Haven | Manhole, 101 Boston Post Rd | “1 - 50” | Ended (as reported); Sep 16, 2020, 6:00 AM EDT | West Haven (CT DEEP reporting archive 2016-2021), record bypass-35964588, reported Sep 16, 2020, 6:29 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Quinnipiac River | Wallingford | Treatment Plant, 155 john street | 0 gallons | Not stated by the source; end not reported | Wallingford (CT DEEP reporting archive 2016-2021), record bypass-35963073, reported Sep 15, 2020, 9:00 AM 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); Sep 15, 2020, 7:55 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467738, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Thames River | Norwich WPCF | Manhole, 117 River Ave. | “7523/ quantity confirmed by FAS data site” | Ended (as reported); Sep 15, 2020, 7:55 AM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965707, reported Sep 15, 2020, 2:56 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Derby | Sewer Main, Emmett ave Derby ct | 5 gallons | Ended (as reported); Sep 13, 2020, 8:45 PM EDT | Derby (CT DEEP reporting archive 2016-2021), record bypass-35964342, reported Sep 13, 2020, 9:25 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “David Miles Grundwalski” | Norwich WPCF | Lateral - Private, 16 S Golden St | “51 - 500 gallons” | Ended (as reported); Sep 11, 2020, 8:45 AM EDT | Norwich WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965392, reported Sep 11, 2020, 10:41 AM EDT, 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); Sep 10, 2020, 9:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468764, 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); Sep 10, 2020, 9:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468730, 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); Sep 10, 2020, 9:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468722, 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); Sep 10, 2020, 9:00 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468608, 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); Sep 10, 2020, 9:00 PM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48468596, 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. | 4.87 million gallons | Ended (as reported); Sep 10, 2020, 11:15 PM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963359, reported Sep 10, 2020, 7:51 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Derby | Treatment Plant, Caroline St | “1,001 - 5,000 gallons” | Ended (as reported); Sep 10, 2020, 7:29 PM EDT | Derby (CT DEEP reporting archive 2016-2021), record bypass-35963628, reported Sep 10, 2020, 7:34 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Mill River | Greater New Haven WPCA | Pump Station, 911 Whitney Ave Hamden | “Undetermined” | Ended (as reported); Sep 12, 2020, 10:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35962836, reported Sep 10, 2020, 1:54 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); Sep 10, 2020, 11:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469257, 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); Sep 10, 2020, 10:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468511, 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); Sep 10, 2020, 10:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468280, 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); Sep 10, 2020, 10:30 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468279, 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 | Norwalk WPCF | Sewer Main, 220 Strawberry Hill rd | “CSO manual/visual inspection” | Ended (as reported); Sep 8, 2020, 11:50 PM EDT | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964223, reported Sep 9, 2020, 4:47 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwalk WPCF | Lateral - Private, 220 Strawberry Hill Rd. Norwalk Ct 06855 | “Less than 100 gallons” | Ended (as reported); Sep 8, 2020, 12:28 PM EDT | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965206, reported Sep 8, 2020, 12:37 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, 77 Central Ave Hamden CT | 45 gallons | Ended (as reported); Sep 6, 2020, 9:55 PM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35964505, reported Sep 6, 2020, 10:26 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Branford Harbor | Branford | Pump Station, 44 Maltby st | 500 gallons | Ended (as reported); Sep 5, 2020, 4:11 PM EDT | Branford (CT DEEP reporting archive 2016-2021), record bypass-35964185, reported Sep 5, 2020, 4:28 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Connecticut River | Middletown WPCF | Basement, 189-196 Newfeild st | 0 gallons | Ended (as reported); Sep 5, 2020, 11:39 AM EDT | Middletown WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964378, reported Sep 5, 2020, 12:44 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Middletown WPCF | Basement, 189 --- 195 Newfield St | 0 gallons | Ended (as reported); Sep 5, 2020, 11:26 AM EDT | Middletown WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964361, reported Sep 5, 2020, 12:33 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Cedar Creek | Bridgeport Westside | Treatment Plant, 205 Bostwick Ave. | 4.27 million gallons | Ended (as reported); Sep 4, 2020, 3:00 AM EDT | Bridgeport Westside (CT DEEP reporting archive 2016-2021), record bypass-35963325, reported Sep 4, 2020, 12:39 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 | BARN 18 | 0 gallons | Ended (as reported); Sep 4, 2020, 3:30 PM EDT | City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48470526, 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 | WESTSIDE CSO: 48 TERS, 79 EWAS, 77 GRAND, 207 STATE A&B | 0 gallons | Ended (as reported); Sep 4, 2020, 3:30 AM EDT | City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021), record cso-48467027, 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 | “1,001 - 5,000 gallons” | Ended (as reported); Sep 4, 2020, 12:35 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467801, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Bridgeport Eastside | Treatment Plant, 695 Seaview ave Bridgeport Ct 06607 | “.87” | Ended (as reported); Sep 4, 2020, 1:45 AM EDT | Bridgeport Eastside (CT DEEP reporting archive 2016-2021), record bypass-35963358, reported Sep 4, 2020, 1:06 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); Sep 4, 2020, 1:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468905, 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); Sep 4, 2020, 12:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468245, 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); Sep 4, 2020, 12:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468243, 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); Sep 4, 2020, 12:45 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468242, 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); Sep 4, 2020, 12:30 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468064, 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); Sep 4, 2020, 12:25 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468012, 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); Sep 4, 2020, 12:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467958, 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); Sep 4, 2020, 12:20 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467957, 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 | “51 - 500 gallons” | Ended (as reported); Sep 4, 2020, 12:15 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467865, 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 | “51 - 500 gallons” | Ended (as reported); Sep 4, 2020, 12:15 AM EDT | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467864, 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); Sep 2, 2020, 11:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469201, 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); Sep 2, 2020, 10:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468189, 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 | “5,001 - 20,000 gallons” | Ended (as reported); Sep 2, 2020, 10:00 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467983, 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); Sep 2, 2020, 9:15 AM EDT | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467455, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | “Park River Auxiliary Conduit” | 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 | “100,001 - 500,000 gallons” | Ended (as reported); Sep 3, 2020, 4:14 AM EDT | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470659, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Long Island Sound | New Haven | Pump Station, Farview Rd Pump Station | “20,001 - 50,000 gallons” | Ended (as reported); Sep 3, 2020, 4:00 PM EDT | New Haven (CT DEEP reporting archive 2016-2021), record bypass-35962881, reported Sep 2, 2020, 8:06 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record |