Maine sewage discharges in 2020
29 records of sewage discharges and water advisories in Maine dated in 2020, newest first. Each record keeps the source's own times and wording; a record from the last six months, or one still in effect, also has a page of its own.
By type: Annual or monthly total29
By source: Maine DEP CSO Status Report29
2020 in other states: Connecticut, New Hampshire, New York, Pennsylvania, Rhode Island, Vermont.
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 |
|---|---|---|---|---|---|---|---|
| Annual or monthly total | “Atlantic Ocean” | Cape Elizabeth - Ottawa Road Pump Station (co-permittees South Portland, PWD, Cape Elizabeth) | not provided | 2,000 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0102806:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | Town of Milford | not provided | 8,638 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0102695:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Kennebec River | Town of Winslow | not provided | 876,296 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0102628:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Souadabscook Stream | Town of Hampden | not provided | 244,200 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0102512:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Kennebec River | Town of Randolph | not provided | 67,300 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0102423:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Kennebec River | City of Gardiner WWTF | not provided | 9.93 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101702:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Saint John River | Town of Madawaska | not provided | 10,242 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101681:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot Bay | City of Belfast WWTP | not provided | 96,444 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101532:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Androscoggin River | Lewiston-Auburn Clean Water Authority (LACWA, formerly LAWPCA) | not provided | 33.66 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101478:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Casco Bay | City of Portland (Department of Public Works / Water Resources) / Portland Water District (Portland CSOs and East End WWTF) | not provided | 178.74 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101435:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Frenchman Bay | Town of Bar Harbor - Main WWTP / Town of Bar Harbor - Hulls Cove WWTF | not provided | 971,376 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101214:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Saco River | City of Saco Water Resource Recovery Facility | not provided | 978,000 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0101117:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Androscoggin River | City of Lewiston | not provided | 22.92 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100994:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Presumpscot River | Westbrook (Portland Water District Westbrook WWTF) | not provided | 3.23 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100846:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | City of Bangor (Wastewater Treatment Plant) | not provided | 58.75 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100781:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | Winterport Water District (formerly Winterport Sewerage District) | not provided | 0 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100749:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Casco Bay | City of South Portland Water Resource Protection | not provided | 859,095 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100633:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Kennebec River | Town of Skowhegan WWTP | not provided | 1.07 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100625:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | Town of Orono WPCF | not provided | 1.19 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100498:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | City of Old Town Pollution Control Facility | not provided | 20,698 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100471:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Little Androscoggin River | Mechanic Falls Sanitary District | not provided | 379,608 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100391:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Machias River | Town of Machias WWTF | not provided | 100,035 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100323:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Saint Croix River | City of Calais WWTP | not provided | 1.84 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100129:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | Town of Bucksport | not provided | 0 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100111:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Penobscot River | City of Brewer WWTP | not provided | 76,188 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100072:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Saco River | City of Biddeford WWTF | not provided | 34.64 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100048:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Sagadahoc River | City of Bath Water Pollution Control | not provided | 2.87 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100021:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Kennebec River | Greater Augusta Utility District (incl. Hallowell sanitary sewers and CSO) | not provided | 6.07 million gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100013:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record | |
| Annual or monthly total | Androscoggin River | Auburn Sewerage District | not provided | 219,600 gallons | Ended (as reported); 2020 | Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report, record ME0100005:2020, published Jun 30, 2026, 12:00 AM EDT, retrieved 2026-11-02 21:19 UTC · Original notice · Full record |