Maryland sewage discharges in 2023
735 records of sewage discharges and water advisories in Maryland dated in 2023, newest first, 39 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)555 · Combined sewer overflow (CSO)148 · Treatment bypass20 · Beach closure12
By source: Baltimore City DPW139 · Baltimore County DPW91 · WSSC82 · City of Frostburg45 · LaVale Sanitary Commission43 · Mayor and City Council of Cumberland42 · Anne Arundel County DPW34 · Allegany County DPW34 · 64 more
2023 in other states: Connecticut, District of Columbia, Maine, Massachusetts, 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 2026-11-03 02:43 UTC.
By month
- December 2023 122 records
- November 2023 52 records
- October 2023 67 records
- September 2023 77 records
- August 2023 66 records
- July 2023 67 records
- June 2023 47 records
- May 2023 58 records
- April 2023 62 records
- March 2023 64 records
- February 2023 49 records
- January 2023 4 records