Connecticut / Reports / 2026 /
Connecticut sewage discharges, April 2026
46 records of sewage discharges and water advisories in Connecticut dated in April 2026, 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) | Naugatuck River | Waterbury WPCF | Lateral - Private, 572 Watertown Ave, Waterbury, CT | 50 gallons | Ended (as reported); May 1, 2026, 3:00 PM EDT | Waterbury WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10610, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | The Metropolitan District (MDC) | not provided | 12,000 gallons | Ended (as reported); Apr 30, 2026, 5:30 AM EDT | The Metropolitan District (MDC) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10609, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “There are inland wetlands in the area adjacent to the sewer manhole structure. The wetlands wind up in the drainage network that leads to Toms Brook” | GREENWICH (GRASS ISLAND WPCF) | Manhole, 4 Putnam Green, Greenwich, CT | 73,000 gallons | Ended (as reported); May 5, 2026, 6:30 PM EDT | GREENWICH (GRASS ISLAND WPCF) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10608, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | not linked to a mapped water | WEST HAVEN | Treatment Plant, 2 Beach St, West Haven, CT | 75 gallons | Ended (as reported); Apr 28, 2026, 10:30 AM EDT | WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10607, 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 | SEYMOUR WPCF, TOWN OF | Manhole, 108 Church St, Seymour, CT | 1,500 gallons | Ended (as reported); Apr 27, 2026, 3:00 PM EDT | SEYMOUR WPCF, TOWN OF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10604, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | not linked to a mapped water | WEST HAVEN | Treatment Plant, 2 Beach St, West Haven, CT | 20 gallons | Ended (as reported); Apr 27, 2026, 8:30 AM EDT | WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10603, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Bridgeport WPCA West Side | not provided | 150,000 gallons | Ended (as reported); Apr 26, 2026, 3:00 AM EDT | Bridgeport WPCA West Side (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10605, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | not stated | Treatment Plant, 345 E Shore Pkwy, New Haven, CT | 2.79 million gallons | Ended (as reported); Apr 26, 2026, 2:30 AM EDT | New Haven (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10601, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 26, 2026, 2:30 AM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10600, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 26, 2026, 2:30 AM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10599, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | not stated | Treatment Plant, 345 E Shore Pkwy, New Haven, CT | 657,300 gallons | Ended (as reported); Apr 26, 2026, 12:00 AM EDT | New Haven (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10596, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 26, 2026, 12:00 AM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10594, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 26, 2026, 12:00 AM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10593, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 26, 2026, 12:00 AM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10592, 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, 10 Willow Ct, Waterbury, CT | 30 gallons | Ended (as reported); Apr 29, 2026, 9:00 PM EDT | Waterbury WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10590, 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 | NORTH HAVEN WPCF | Basement, 81 Twin Lakes Rd, North Branford, CT | “>500 gallons” | Ended (as reported); Apr 24, 2026, 3:00 PM EDT | NORTH HAVEN WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10589, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | WEST HAVEN | Treatment Plant, 2 Beach St, West Haven, CT | 1,350 gallons | Ended (as reported); Apr 24, 2026, 11:30 AM EDT | WEST HAVEN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10588, 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, 665 Cooke St, Waterbury, CT | 60 gallons | Ended (as reported); Apr 29, 2026, 3:00 PM EDT | Waterbury WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10586, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Ash Creek | Bridgeport WPCA West Side | Manhole, 269 Scofield Ave, Bridgeport, CT | volume not reported | Ended (as reported); Apr 22, 2026, 11:00 PM EDT | Bridgeport WPCA West Side (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10584, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Island Brook | Bridgeport WPCA West Side | Manhole, 2710 E Main St, Bridgeport, CT | volume not reported | Ended (as reported); Apr 21, 2026, 6:15 PM EDT | Bridgeport WPCA West Side (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10583, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Brackish Pond at Willowmere Circle in Riverside - Greenwich CT that exchanges water during tides with Greenwich Cove” | GREENWICH (GRASS ISLAND WPCF) | Sewer Main, 73 Willowmere Ave, Greenwich, CT | 100 gallons | Ended (as reported); Apr 21, 2026, 11:15 AM EDT | GREENWICH (GRASS ISLAND WPCF) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10581, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | Mystic River | STONINGTON - MYSTIC | Manhole, Coogan Blvd, Stonington, CT | 660 gallons | Not stated by the source; end not reported | STONINGTON - MYSTIC (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10582, 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, 108 Hill St, Waterbury, CT | 70 gallons | Ended (as reported); Apr 20, 2026, 3:00 PM EDT | Waterbury WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10578, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 5,934 gallons | Ended (as reported); Apr 16, 2026, 12:45 AM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10576, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 320 gallons | Ended (as reported); Apr 16, 2026, 12:45 AM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10575, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Storm drain in side of road which could lead into Vanasso Pond.” | NAUGATUCK WPCF | Manhole, 216 May St, Naugatuck, CT | “<1000” | Ended (as reported); end time not reported | NAUGATUCK WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10569, 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 | FAIRFIELD WPCF | Manhole, 330 Richard White Way, Fairfield, CT | 100 gallons | Ended (as reported); Apr 10, 2026, 1:30 AM EDT | FAIRFIELD WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10563, 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 | NEW BRITAIN | Basement, 23,31,34 Viets St, New Britain, CT | 100 gallons | Ended (as reported); Apr 10, 2026, 12:00 PM EDT | NEW BRITAIN (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10562, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | not linked to a mapped water | EAST WINDSOR WPCF | Treatment Plant, 192 S Water St, East Windsor, CT | volume not reported | Ended (as reported); Apr 9, 2026, 12:15 PM EDT | EAST WINDSOR WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10561, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Unknown whether some of it went into the storm drain in the area at times when ground became saturated” | GREENWICH (GRASS ISLAND WPCF) | Lateral - Private, 95 Glenville Rd, Greenwich, CT | 17,000 gallons | Ended (as reported); Jun 5, 2026, 11:15 AM EDT | GREENWICH (GRASS ISLAND WPCF) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10559, 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 | STAMFORD | Sewer Main, Strawberry Hill Ave, Stamford, CT | 50 gallons | Ended (as reported); Apr 8, 2026, 2:00 PM EDT | STAMFORD (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10556, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Pequonnick river” | Bridgeport WPCA West Side | Sewer Main, N Washington Ave, Bridgeport, CT | volume not reported | Ended (as reported); Apr 6, 2026, 5:30 PM EDT | Bridgeport WPCA West Side (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10553, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Great Brook” | Waterbury WPCF | Lateral - Private, 23 Tudor St, Waterbury, CT | 1,225 gallons | Ended (as reported); Jun 16, 2026, 4:00 PM EDT | Waterbury WPCF (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10552, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | The Metropolitan District (MDC) | not provided | 37 million gallons | Ended (as reported); Apr 5, 2026, 2:45 PM EDT | The Metropolitan District (MDC) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10548, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Sanitary sewer overflow (SSO) | “Moosup River” | STERLING | Sewer Main, 6 Church St, Sterling, CT | 5,000 gallons | Ended (as reported); Apr 6, 2026, 2:30 PM EDT | STERLING (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10551, 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 | NEW CANAAN STP | Sewer Main, 13 E Hills Dr, New Canaan, CT | 1,000 gallons | Ended (as reported); end time not reported | NEW CANAAN STP (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10555, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 9,114 gallons | Ended (as reported); Apr 2, 2026, 3:00 AM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10546, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 1,314 gallons | Ended (as reported); Apr 1, 2026, 5:45 PM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10541, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 7,498 gallons | Ended (as reported); Apr 2, 2026, 2:45 AM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10545, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 55 gallons | Ended (as reported); Apr 1, 2026, 5:30 PM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10543, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Norwich Public Utilities | not provided | 23,561 gallons | Ended (as reported); Apr 2, 2026, 2:30 AM EDT | Norwich Public Utilities (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10540, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Treatment plant bypass | New Haven Harbor | not stated | Treatment Plant, 345 E Shore Pkwy, New Haven, CT | 362,900 gallons | Ended (as reported); Apr 1, 2026, 6:00 PM EDT | New Haven (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10539, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 1, 2026, 6:00 PM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10538, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 1, 2026, 5:30 PM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10536, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | Greater New Haven WPCA | not provided | 0 gallons | Ended (as reported); Apr 1, 2026, 6:00 PM EDT | Greater New Haven WPCA (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10535, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record | |
| Combined sewer overflow (CSO) | not linked to a mapped water | The Metropolitan District (MDC) | not provided | 864,000 gallons | Ended (as reported); Apr 2, 2026, 11:00 AM EDT | The Metropolitan District (MDC) (CT DEEP Performance Dashboard) via CT DEEP CSO/SSO Performance Dashboard (QScend), record 10533, the source gives no report time, retrieved 2026-11-02 11:20 UTC · Original notice · Full record |