Michigan sewage discharges in 2023
1,904 records of sewage discharges and water advisories in Michigan dated in 2023, newest first, 4 earlier versions or duplicates included and marked. 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: Combined sewer overflow (CSO)1,436 · Sanitary sewer overflow (SSO)368 · Treatment plant bypass87 · Treatment bypass11 · Blended discharge2
By source: Michigan EGLE (MiEnviro CSO/SSO List)1,904
2023 in other states: Connecticut, District of Columbia, Florida, Maine, Maryland, Massachusetts, New Hampshire, New York, North Carolina, Pennsylvania, Rhode Island, Vermont.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-05 01:25 UTC.
By month
- December 2023 70 records
- November 2023 52 records
- October 2023 121 records
- September 2023 76 records
- August 2023 319 records
- July 2023 348 records
- June 2023 90 records
- May 2023 93 records
- April 2023 254 records
- March 2023 205 records
- February 2023 215 records
- January 2023 61 records