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Connecticut sewage discharges in 2025

2,020 records of sewage discharges and water advisories in Connecticut dated in 2025, newest first, 965 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)1,267 · Sanitary sewer overflow (SSO)486 · Treatment plant bypass267

By source: Norwich Public Utilities (CT DEEP Sewage Right-to-Know annual report 2026)319 · Norwich Public Utilities (CT DEEP Performance Dashboard)305 · Greater New Haven WPCA (CT DEEP Sewage Right-to-Know annual report 2026)268 · Greater New Haven WPCA (CT DEEP Performance Dashboard)193 · Bridgeport WPCA West Side (CT DEEP Sewage Right-to-Know annual report 2026)155 · Bridgeport WPCA West Side (CT DEEP Performance Dashboard)124 · MDC COLLECTIONS ONLY (CT DEEP Sewage Right-to-Know annual report 2026)81 · Waterbury WPCF (CT DEEP Sewage Right-to-Know annual report 2026)53 · 78 more

2025 in other states: Maine, Massachusetts, New Hampshire, New Jersey, 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