Maryland sewage discharges in 2025
1,036 records of sewage discharges and water advisories in Maryland dated in 2025, newest first, 27 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: Sanitary sewer overflow (SSO)858 · Combined sewer overflow (CSO)130 · Treatment bypass38 · Beach advisory6 · Beach closure4
By source: Baltimore City DPW414 · WSSC103 · Baltimore County DPW89 · Anne Arundel County DPW53 · City of Frostburg49 · Mayor and City Council of Cumberland46 · Allegany County DPW45 · LaVale Sanitary Commission22 · 62 more
2025 in other states: Connecticut, District of Columbia, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-03 02:43 UTC.
By month
- December 2025 84 records
- November 2025 86 records
- October 2025 74 records
- September 2025 58 records
- August 2025 57 records
- July 2025 110 records
- June 2025 79 records
- May 2025 172 records
- April 2025 74 records
- March 2025 90 records
- February 2025 92 records
- January 2025 60 records