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California sewage discharges in 2026

678 records of sewage discharges and water advisories in California dated in 2026, newest first. Each record keeps the source's own times and wording; a record from the last three months, or one that sets a status now, also has a page of its own.

By type: Beach advisory325 · Sanitary sewer overflow (SSO)168 · Cyanobacteria advisory (harmful blue-green algae)133 · Rainfall advisory33 · Beach closure19

By source: California State Water Resources Control Board (CIWQS Sanitary Sewer System Database)168 · California State Water Resources Control Board (FHAB program)133 · Los Angeles County Department of Health Services via Beach Watch92 · Orange County Environmental Health Division via Beach Watch70 · Health Department County of San Mateo Environmental Health via Beach Watch49 · San Francisco Department of Public Health via Beach Watch44 · Ventura County Environmental Health Division via Beach Watch37 · City of Long Beach Health and Human Services via Beach Watch33 · 3 more

2026 in other states: Connecticut, District of Columbia, Florida, Georgia, Illinois, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, Vermont, Virginia, Washington.

Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-06 09:03 UTC.

California sewage discharges in 2026

By month