Connecticut / Reports / 2021 /
Connecticut sewage discharges, December 2021
37 records of sewage discharges and water advisories in Connecticut dated in December 2021, 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) | Thames River | Norwich Public Utilities | Sewer Main, 38 Main St, Norwich, CT | 75,273 gallons | Ended (as reported); Dec 29, 2021, 12:15 PM EST | Norwich Public Utilities (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x1e74a3d9e0a1, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “51 - 500 gallons” | Ended (as reported); Dec 25, 2021, 1:30 PM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x3aa81200ea54, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits | 256,000 gallons | Ended (as reported); Dec 26, 2021, 3:00 AM EST | The Metropolitan District (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x8501aa6cfae9, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District (MDC) | Conduits | 256,000 gallons | Ended (as reported); Dec 26, 2021, 3:00 AM EST | The Metropolitan District (MDC) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 501, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Park River | MDC COLLECTIONS | Sewer Main, Arlington St, Hartford, CT | 69,000 gallons | Ended (as reported); Dec 25, 2021, 3:30 AM EST | MDC COLLECTIONS (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x3d2914e20df7, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Hockanum River | MDC COLLECTIONS | Manhole, 22 Woodlawn Cir, East Hartford, CT | 950 gallons | Ended (as reported); Dec 24, 2021, 8:45 PM EST | MDC COLLECTIONS (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xc5fbea041767, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Greater New Haven WPCA | Manhole, 597 Hamden Plaza and Mix Ave, Hamden, CT | 30 gallons | Ended (as reported); Dec 22, 2021, 2:45 PM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x12c4b114e00a, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Norwalk WPCA | Basement, 21 Poplar St, Norwalk, CT | 30 gallons | Ended (as reported); Dec 20, 2021, 8:45 PM EST | Norwalk WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xa41356d94996, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Park River | MDC COLLECTIONS | Manhole, Capitol Ave and Park Ter, Hartford, CT | 349,000 gallons | Ended (as reported); Dec 19, 2021, 10:30 PM EST | MDC COLLECTIONS (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xc0512297b002, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits | 1.28 million gallons | Ended (as reported); Dec 18, 2021, 10:45 AM EST | The Metropolitan District (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x178dff5e9834, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Thames River | US NAVAL SUB BASE (DEPT OF NAVY) | Manhole, 1330 Amberjack Rd, Groton, CT | 40 gallons | Ended (as reported); Dec 16, 2021, 2:30 PM EST | US NAVAL SUB BASE (DEPT OF NAVY) (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x7c5c4f60458a, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | STAMFORD | Sewer Main, 79 Givens Ave, Stamford, CT | 25,200 gallons | Ended (as reported); Dec 29, 2021, 1:00 PM EST | STAMFORD (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xdd885efce043, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “51 - 500 gallons” | Ended (as reported); Dec 11, 2021, 11:45 PM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xc63c0ee522df, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “51 - 500 gallons” | Ended (as reported); Dec 11, 2021, 11:30 PM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x0a203e3e634f, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits | “0.269” | Ended (as reported); Dec 12, 2021, 12:45 AM EST | The Metropolitan District (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xf7de162fa16e, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Treatment plant bypass | Connecticut River | SOUTH WINDSOR | Treatment Plant, 1 Vibert Rd, South Windsor, CT | 50 gallons | Ended (as reported); Dec 10, 2021, 8:30 AM EST | SOUTH WINDSOR (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xa4c7eca5f26d, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | Conduits | 21,000 gallons | Ended (as reported); Dec 6, 2021, 10:45 PM EST | The Metropolitan District (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xcb13d1fad55d, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | Greater New Haven WPCA | Treatment Plant, 345 E Shore Pkwy, New Haven, CT | 400,000 gallons | Ended (as reported); Dec 6, 2021, 6:45 AM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xe530ebc82d8f, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Pequonnock River | City of Bridgeport - West Side WPCF | 77 GRAND | “100,001 - 500,000 gallons” | Ended (as reported); Dec 6, 2021, 6:30 AM EST | City of Bridgeport - West Side WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x93b1a35f838b, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | 329,779 gallons | Ended (as reported); Dec 6, 2021, 7:45 AM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x8198a02e7c67, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009,011,012 | 90,933 gallons | Ended (as reported); Dec 6, 2021, 6:30 AM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x735fa1fbb138, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Black Rock Harbor | City of Bridgeport - West Side WPCF | 87 ANTH | “100,001 - 500,000 gallons” | Ended (as reported); Dec 6, 2021, 6:30 AM EST | City of Bridgeport - West Side WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x55441108d5ed, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | 11,175 gallons | Ended (as reported); Dec 6, 2021, 6:15 AM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x1a352c1b5a21, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | 147,728 gallons | Ended (as reported); Dec 6, 2021, 6:45 AM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x17df8c2d7aea, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Quinnipiac River | Greater New Haven WPCA | Quinnipiac River CSOs: 015, 016, 019, 020 | 329,779 gallons | Ended (as reported); Dec 6, 2021, 7:45 AM EST | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 464, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 019 | “1,001 - 5,000 gallons” | Ended (as reported); Dec 6, 2021, 6:00 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xf889da06803c, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 017 | “50,001 - 100,000 gallons” | Ended (as reported); Dec 6, 2021, 7:15 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xa57aaabfabb0, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | Norwich Public Utilities | 019 | 2,889 gallons | Ended (as reported); Dec 6, 2021, 6:00 AM EST | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 471, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “1,001 - 5,000 gallons” | Ended (as reported); Dec 6, 2021, 6:00 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xefd90c6d4e2d, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 018 | “1,001 - 5,000 gallons” | Ended (as reported); Dec 6, 2021, 5:45 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xe6582c2039a9, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 004 | “501 - 1,000 gallons” | Ended (as reported); Dec 6, 2021, 5:45 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xd7d181b6e37a, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | Norwich Public Utilities | 025 | 3,156 gallons | Ended (as reported); Dec 6, 2021, 6:00 AM EST | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 473, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 022 | “501 - 1,000 gallons” | Ended (as reported); Dec 6, 2021, 6:00 AM EST | City of Norwich (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xdb8a92123743, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 57 River St, Waterbury, CT | 30 gallons | Ended (as reported); Dec 6, 2021, 10:00 AM EST | Waterbury WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x4392662c6b55, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | 0 gallons | Ended (as reported); Dec 2, 2021, 4:15 PM EST | Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xdc4fe51b671f, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | West River | Greater New Haven WPCA | West River CSOs: 003, 004, 005, 006 | 1 gallon | Ended (as reported); Dec 2, 2021, 4:15 PM EST | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 458, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 1746 E Main St, Waterbury, CT | 30 gallons | Ended (as reported); Dec 2, 2021, 9:15 AM EST | Waterbury WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x5832c6dde1bc, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record |