Massachusetts sewage discharges in 2022

2,489 records of sewage discharges and water advisories in Massachusetts dated in 2022, newest first, 925 earlier versions or duplicates included and marked. 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: Combined sewer overflow (CSO)2,344 · Blended discharge103 · Treatment bypass28 · Sanitary sewer overflow (SSO)14

By source: CITY OF FALL RIVER (MassDEP sewage notification portal)466 · CITY OF NEW BEDFORD (MassDEP sewage notification portal)465 · SPRINGFIELD WATER & SEWER COMMISSION (MassDEP sewage notification portal)366 · CITY OF CHICOPEE (MassDEP sewage notification portal)310 · CITY OF HOLYOKE (MassDEP sewage notification portal)284 · LOWELL REGIONAL WASTEWATER UTILITY (MassDEP sewage notification portal)162 · CITY OF FITCHBURG (MassDEP sewage notification portal)121 · CITY OF HAVERHILL (MassDEP sewage notification portal)91 · 19 more

2022 in other states: Connecticut, Maine, 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.

By month

December 2022 381 records
November 2022 386 records
October 2022 509 records
September 2022 535 records
August 2022 335 records
July 2022 342 records
June 2022 1 record