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Connecticut sewage discharges in 2018

1,274 records of sewage discharges and water advisories in Connecticut dated in 2018, 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: Combined sewer overflow (CSO)893 · Sanitary sewer overflow (SSO)259 · Treatment plant bypass122

By source: City of Norwich (CT DEEP reporting archive 2016-2021)383 · Greater New Haven WPCA (CT DEEP reporting archive 2016-2021)337 · The Metropolitan District (CT DEEP reporting archive 2016-2021)111 · City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021)105 · City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021)62 · Norwalk WPCF (CT DEEP reporting archive 2016-2021)54 · Bridgeport Westside (CT DEEP reporting archive 2016-2021)41 · Bridgeport Eastside (CT DEEP reporting archive 2016-2021)22 · 39 more

2018 in other states: 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