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Connecticut sewage discharges in 2020

1,192 records of sewage discharges and water advisories in Connecticut 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: Combined sewer overflow (CSO)774 · Sanitary sewer overflow (SSO)310 · Treatment plant bypass108

By source: City of Norwich (CT DEEP reporting archive 2016-2021)353 · Greater New Haven WPCA (CT DEEP reporting archive 2016-2021)282 · The Metropolitan District (CT DEEP reporting archive 2016-2021)212 · City of Bridgeport WPCA - West Side WPCF (CT DEEP reporting archive 2016-2021)54 · Norwich WPCF (CT DEEP reporting archive 2016-2021)46 · Bridgeport Westside (CT DEEP reporting archive 2016-2021)43 · City of Bridgeport WPCA - East Side WPCF (CT DEEP reporting archive 2016-2021)34 · Bridgeport Eastside (CT DEEP reporting archive 2016-2021)24 · 31 more

2020 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

• December 2020 163 records
• November 2020 164 records
• October 2020 111 records
• September 2020 86 records
• August 2020 44 records
• July 2020 101 records
• June 2020 108 records
• May 2020 64 records
• April 2020 135 records
• March 2020 93 records
• February 2020 65 records
• January 2020 58 records