Connecticut / Reports / 2021 /
Connecticut sewage discharges, November 2021
78 records of sewage discharges and water advisories in Connecticut dated in November 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) | “Keeler Brook North of I-95” | Norwalk WPCA | Manhole, 365 Westport Ave | 800 gallons | Ended (as reported); Dec 1, 2021, 12:00 PM EST | Norwalk WPCA (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x52c1f3598910, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Keeler Brook North of I-95” | Norwalk WPCF | Manhole, 365 Westport Ave | “501 - 1,000 gallons” | Not stated by the source; end not reported | Norwalk WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964302, reported Nov 30, 2021, 11:47 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Housatonic River | New Milford | Manhole, 48 Danbury Road New Milford, CT 06776 | “51 - 500 gallons” | Ended (as reported); Nov 30, 2021, 8:30 AM EST | New Milford (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xff1841762fa5, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Housatonic River | New Milford | Manhole, 48 Danbury Road New Milford, CT 06776 | “51 - 500 gallons” | Ended (as reported); Nov 30, 2021, 8:30 AM EST | New Milford (CT DEEP reporting archive 2016-2021), record bypass-35964456, reported Nov 30, 2021, 10:09 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Connecticut River | The Metropolitan District | CT River: NM-2, NM-3, NM-4, NM-5, NM-6, NM-7, NM-10, NM-14; SM-2 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 26, 2021, 12:28 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 xbbfa27213f4c, 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 | CT River: NM-2, NM-3, NM-4, NM-5, NM-6, NM-7, NM-10, NM-14; SM-2 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 26, 2021, 12:28 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48469119, 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 | CT River: NM-2, NM-3, NM-4, NM-5, NM-6, NM-7, NM-10, NM-14; SM-2 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467059, 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 | 22 | “1-50” | Ended (as reported); Nov 19, 2021, 2:15 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 x37a2d755c2dc, 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 | 23 | “1-50” | Ended (as reported); Nov 19, 2021, 2:05 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 x11495d7c7fe3, 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 | “1 - 50” | Ended (as reported); Nov 22, 2021, 2:15 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470872, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 023 | “1 - 50” | Ended (as reported); Nov 19, 2021, 2:05 AM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48467665, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 19, 2021, 2:39 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 x302a4e99ed9a, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | North Branch Park River, Park River 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); Nov 19, 2021, 2:39 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470151, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | North Branch Park River, Park River 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 | volume not reported | Not stated by the source; end not reported | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48467105, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Stratford | Treatment Plant, Birdseye street | 10,000 gallons | Ended (as reported); Nov 18, 2021, 12:00 AM EST | Stratford (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xd759684d463e, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Treatment plant bypass | Housatonic River | Stratford | Treatment Plant, Birdseye street | “Undetermined” | Ended (as reported); Nov 18, 2021, 12:00 AM EST | Stratford (CT DEEP reporting archive 2016-2021), record bypass-35963107, reported Nov 18, 2021, 1:03 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Stamford | Manhole, Virgil ST. | 50 gallons | Ended (as reported); Nov 17, 2021, 9:00 PM EST | Stamford (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x47d72cd25acd, 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 | Manhole, Virgil ST. | “1 - 50” | Ended (as reported); Nov 17, 2021, 9:00 PM EST | Stamford (CT DEEP reporting archive 2016-2021), record bypass-35964349, reported Nov 18, 2021, 6:57 AM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | 30 gallons | Ended (as reported); Nov 16, 2021, 2:55 PM EST | Waterbury WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x9106e8635f90, 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 | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1-50 gallons” | Ended (as reported); Nov 16, 2021, 2:55 PM EST | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965077, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1 - 50” | Ended (as reported); Nov 16, 2021, 12:00 AM EST | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965076, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1 - 50” | Ended (as reported); Nov 14, 2021, 12:00 AM EST | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965075, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1 - 50” | Ended (as reported); Nov 14, 2021, 12:00 AM EST | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965072, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1 - 50” | Not stated by the source; end not reported | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965071, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Basement, 60 Decicco Road, Waterbury, CT | “1 - 50” | Not stated by the source; end not reported | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35964689, reported Nov 14, 2021, 4:29 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Naugatuck WPCF | Basement, 99 Cold Spring Circle | 75 gallons | Ended (as reported); Nov 16, 2021, 11:30 AM EST | Naugatuck WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x90640b5bf3e2, 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 | Naugatuck WPCF | Basement, 99 Cold Spring Circle | “51 - 500 gallons” | Ended (as reported); Nov 16, 2021, 11:30 AM EST | Naugatuck WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965237, reported Nov 16, 2021, 1:08 PM EST, 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 | 500,000 gallons | Ended (as reported); Nov 13, 2021, 5:15 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 xf98ce2e79983, 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 EAST SHORE PARKWAY | 400,000 gallons | Ended (as reported); Nov 13, 2021, 5:30 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 xde842af24c25, 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 | 20,000 gallons | Ended (as reported); Nov 13, 2021, 4:45 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 xae400c558759, 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 | 100,000 gallons | Ended (as reported); Nov 13, 2021, 5:00 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 xa003f3c20b98, 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 | 500,000 gallons | Ended (as reported); Nov 13, 2021, 6:00 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 x45a1deabcc20, 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 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 13, 2021, 6:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48469187, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | New Haven Harbor | Greater New Haven WPCA | New Haven Harbor CSOs: 021, 024, 025 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 13, 2021, 5:15 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468394, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Mill River | Greater New Haven WPCA | Mill River CSOs: 009, 011, 012 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 13, 2021, 5:00 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48468177, 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); Nov 13, 2021, 4:45 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record cso-48467981, 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-48467213, 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-48467212, 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-48467211, 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-48467210, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | Greater New Haven WPCA | Treatment Plant, 345 EAST SHORE PARKWAY | 400,000 gallons | Ended (as reported); Nov 13, 2021, 5:30 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35963255, reported Nov 13, 2021, 5:03 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Greater New Haven WPCA | Treatment Plant, 345 EAST SHORE PARKWAY | “Undetermined” | Ended (as reported); Nov 13, 2021, 5:30 PM EST | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35963249, reported Nov 13, 2021, 5:03 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Long Island Sound | Greater New Haven WPCA | Treatment Plant, 345 EAST SHORE PARKWAY | “Undetermined” | Not stated by the source; end not reported | Greater New Haven WPCA (CT DEEP reporting archive 2016-2021), record bypass-35963248, reported Nov 13, 2021, 5:03 PM EST, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Over 1,000,000 gallons” | Ended (as reported); Nov 14, 2021, 4:00 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 xd622f085872a, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Over 1,000,000 gallons” | Ended (as reported); Nov 14, 2021, 4:00 AM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470531, 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 | 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-48467058, 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 | 25 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 12, 2021, 3:40 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 x77b9bbc9d73e, 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 | 23 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 13, 2021, 5:35 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 x0550b156dd0b, 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 | 023 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 13, 2021, 5:35 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470747, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Shetucket River | City of Norwich | 025 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 12, 2021, 3:40 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468052, 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 | 5 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 12, 2021, 1:50 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 x5b4728c4813c, 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 | 005 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 12, 2021, 1:50 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468467, 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 | 31 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 12, 2021, 2:55 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 xee05b61a689b, 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 | 32 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 13, 2021, 4:50 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 xa1e1dbcc7a77, 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 | 17 | “Over 1,000,000 gallons” | Ended (as reported); Nov 13, 2021, 5:20 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 x8d754d35db55, 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 | “Over 1,000,000 gallons” | Ended (as reported); Nov 13, 2021, 5:20 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470825, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Thames River | City of Norwich | 032 | “20,001 - 50,000 gallons” | Ended (as reported); Nov 13, 2021, 4:50 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470785, 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); Nov 12, 2021, 2:55 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48469392, 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 | 24 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 12, 2021, 1:35 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 xaf09c2b4005d, 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 | 024 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 12, 2021, 1:35 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48468475, 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 | 22 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 13, 2021, 5:40 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 x640ae1ed8e31, 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 | 4 | “1,001 - 5,000 gallons” | Ended (as reported); Nov 13, 2021, 4:45 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 x400e0e5b7bb4, 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 | “5,001 - 20,000 gallons” | Ended (as reported); Nov 13, 2021, 5:40 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470792, 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); Nov 13, 2021, 4:45 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470748, 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 | 19 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 13, 2021, 5:05 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 xd3f9d99dac36, 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 | 18 | “100,001 - 500,000 gallons” | Ended (as reported); Nov 13, 2021, 5:00 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 x3937dc251006, 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 | 019 | “50,001 - 100,000 gallons” | Ended (as reported); Nov 13, 2021, 5:05 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470801, 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); Nov 13, 2021, 5:00 PM EST | City of Norwich (CT DEEP reporting archive 2016-2021), record cso-48470775, 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 | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Over 1,000,000 gallons” | Ended (as reported); Nov 12, 2021, 4:17 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 xb683c85de627, published Oct 9, 2024, 12:46 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | Park River | The Metropolitan District | Free-Flowing South Branch: S-3, S-10, S-12, S-13, S-15, S-16, S-19, S-23, S-24, S-25, S-26, S-27, S-28, S-29, S-30 | “Over 1,000,000 gallons” | Ended (as reported); Nov 12, 2021, 4:17 PM EST | The Metropolitan District (CT DEEP reporting archive 2016-2021), record cso-48470456, 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 | 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-48467057, the source gives no report time, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Treatment plant bypass | Hockanum River | Vernon WPCF | Treatment Plant, 100 Windsorville Road | 114,510 gallons | Ended (as reported); Nov 4, 2021, 4:36 AM EDT | Vernon WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record xe31764cd232e, published Oct 9, 2024, 12:47 PM EDT, retrieved 2026-11-02 21:17 UTC · Original notice · Full record | |
| Treatment plant bypass | Hockanum River | Vernon WPCF | Treatment Plant, 100 Windsorville Road | 114,510 gallons | Ended (as reported); Nov 4, 2021, 4:36 AM EDT | Vernon WPCF (CT DEEP reporting archive 2016-2021), record bypass-35963161, reported Nov 4, 2021, 5:35 AM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 52 Clairmont Avenue, Waterbury, CT | 30 gallons | Ended (as reported); Nov 3, 2021, 9:10 AM EDT | Waterbury WPCF (CT DEEP Sewage Right-to-Know annual report 2022) via CT DEEP Sewage Right-to-Know annual report 2024, record x7bdca4ebb1f0, 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 | Waterbury WPCF | Lateral - Private, 52 Clairmont Avenue, Waterbury, CT | “1 - 50” | Ended (as reported); Nov 3, 2021, 9:10 AM EDT | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965630, reported Nov 2, 2021, 4:04 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 52 Clairmont Avenue, Waterbury, CT | “1 - 50” | Not stated by the source; end not reported | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965629, reported Nov 2, 2021, 4:04 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 52 Clairmont Avenue, Waterbury, CT | “1 - 50” | Ended (as reported); Nov 3, 2021, 9:10 AM EDT | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965628, reported Nov 2, 2021, 4:04 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | not linked to a mapped water | Waterbury WPCF | Lateral - Private, 52 Clairmont Avenue, Waterbury, CT | “1 - 50” | Not stated by the source; end not reported | Waterbury WPCF (CT DEEP reporting archive 2016-2021), record bypass-35965627, reported Nov 2, 2021, 4:04 PM EDT, retrieved 2026-11-02 21:18 UTC · Original notice · Full record |