Maryland sewage discharges, October 2025
74 records of sewage discharges and water advisories in Maryland dated in October 2025, newest first. Each record keeps the source's own times and wording.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-03 02:43 UTC.
Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater. Treatment bypass: wastewater skips one or more treatment steps. Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.
| When | Report | Status |
|---|---|---|
| to Nov 3 ’25, 11:26 AM | City of Crisfield · “Daugherty Creek, use II” · 24 Potomac St · SSO · 6,760 gallons · notice · map | ended |
| to 6:30 PM | Baltimore County DPW · Middle River · 1813 Wilson Point Road · SSO · 895 gallons · notice · map | ended |
| to 9:20 PM | City of Crisfield · Little Annemessex River · 104 N Seventh St · Bypass · 200 gallons · notice · map | ended |
| to Nov 3 ’25, 11:30 AM | Somerset County Sanitary District, Inc. · “Daugherty Creek” · N. Somerset and Chesapeake Avenue · SSO · 29,700 gallons · notice | ended |
| to 6:42 PM | Somerset County Sanitary District, Inc. · Little Annemessex River · SSO · 126 gallons · notice · map | ended |
| to Nov 3 ’25, 11:30 AM | Somerset County Sanitary District, Inc. · Little Annemessex River · 118 N Somerset · SSO · 9,900 gallons · notice · map | ended |
| to Nov 2 ’25, 11:26 AM | City of Crisfield · “None.” · 116 N Somerset Ave · SSO · 12,960 gallons · notice · map | ended |
| to 2:15 PM | Baltimore City DPW · Patapsco River · 3501 Asiatic Ave · Bypass · 200,000 gallons · notice · map | ended |
| to 2:00 PM | City of Rockville · “Cabin John Creek” · 600 Mount Vernon Place · SSO · 12,000 gallons · notice · map | ended |
| to 3:30 PM | Allegany County DPW · “Warrior Run” · MH-20 on Darrows Lane · SSO · 15,000 gallons · notice | ended |
| to 10:30 AM | Allegany County DPW · North Branch Potomac River · Cresaptown Pump Station · SSO · 15,000 gallons · notice · map | ended |
| to 2:00 PM | Dorchester County Water & Wastewater… · Madison Bay · 1420 Taylors Island Rd. · SSO · 8,000 gallons · notice · map | ended |
| to 11:20 AM | Baltimore City DPW · Patapsco River · 428 E Preston Street · SSO · 10,000 gallons · notice · map | ended |
| to 9:30 AM | LaVale Sanitary Commission · “Braddock Run” · 1Old Mt. Savage Road · CSO · 50,463 gallons · notice · map | ended |
| to 1:30 PM | LaVale Sanitary Commission · “Braddock Run” · 12610 Labers Lane · CSO · 250,000 gallons · notice · map | ended |
| to 7:56 AM | Mayor and City Council of Cumberland · North Branch Potomac River · Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street, Walnut Place · CSO · 2.36 million gallons · notice · map | ended |
| to 12:45 PM | Baltimore County DPW · “None.” · 7008 Eastern Avenue · SSO · 2 gallons · notice · map | ended |
| to 11:25 PM | Baltimore City DPW · “Stony Run” · 304 Broadmoore Rd · SSO · 2,037 gallons · notice · map | ended |
| to 8:30 PM | Wssc · Patuxent River · 16808 Dorchester Place · SSO · 268 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 3647 Park Heights Ave · SSO · 1 gallons · notice · map | ended |
| to Oct 30 ’25, 7:00 AM | City of Frostburg · “Sand Spring Run George's Creek” · State St, Grant St. · CSO · 21,000 gallons · notice | ended |
| to Oct 31 ’25, 7:00 AM | City of Frostburg · “George's Creek” · Grant St · CSO · 34,000 gallons · notice · map | ended |
| to Oct 29 ’25, 9:05 AM | Anne Arundel County DPW · “Stoney Creek” · 7601 Appalachian Drive · SSO · 30 gallons · notice · map | ended |
| to 1:00 PM | Harford County DPW · “Little Gunpowder Falls” · 1000 Joppa Farm Road · SSO · 3,000 gallons · notice · map | ended |
| to 10:40 AM | Anne Arundel County DPW · “Unauthorized discharge” · 1640 Professional Blvd · SSO · 2,000 gallons · notice · map | ended |
| to 11:00 AM | Anne Arundel County DPW · “None.” · 1640 Professional Blvd · SSO · 3,000 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 3612 Hickory Ave · SSO · 1 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 3506 Seven Mile Lane · SSO · 1 gallons · notice · map | ended |
| to 1:20 PM | Anne Arundel County DPW · “None.” · 1640 Patuxent Professional Blvd · SSO · 9,000 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 2717 Hollins Ferry Rd · SSO · 0 gallons · notice | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 1275 Park Ave · SSO · 0 gallons · notice | ended |
| to 4:34 PM | Baltimore County DPW · “None.” · Putty Hill & Goucher Blvd · SSO · 15 gallons · notice · map | ended |
| to 7:01 PM | Baltimore City DPW · “Herring Run” · 3013 Westfield Ave · SSO · 60 gallons · notice | ended |
| to 9:50 AM | Anne Arundel County DPW · “Storm drain to Cox Creek (Patapsco Mesohaline)” · 8833 Wagner Station Road · SSO · 25 gallons · notice · map | ended |
| to 8:30 PM | City of Frederick DPW · “Storm drain” · 10 Monocacy Blvd · SSO · 1,320 gallons · notice | ended |
| to 4:06 PM | Baltimore City DPW · “Jones Falls” · 227 Chancery Rd · SSO · 55 gallons · notice · map | ended |
| to 4:22 AM | Baltimore County DPW · Patapsco River · 3501 Asiatic Avenue · Bypass · 1.88 million gallons · notice · map | ended |
| to 6:30 PM | Wssc · “Paint Branch” · 14334 Beaker Ct · SSO (earlier version) · 95 gallons · notice · map | ended |
| to 6:30 PM | Wssc · “Paint Branch” · 14334 Beaker Court · SSO · 95 gallons · notice | ended |
| to 3:00 PM | Baltimore County DPW · “None.” · 693 Bathurst Road · SSO · 250 gallons · notice · map | ended |
| to Oct 23 ’25, 12:00 AM | Frederick County Division of Utilities · Monocacy River · 7106 Geoffrey Way · SSO · 14,320 gallons · notice · map | ended |
| to 8:10 AM | Baltimore City DPW · “N/A” · 713 Cooks Lane · SSO · 4 gallons · notice · map | ended |
| to 1:36 PM | Baltimore City DPW · “None” · 2504 Malbourne Ave · SSO · 112 gallons · notice · map | ended |
| to 10:59 AM | Anne Arundel County DPW · “150 gallons were discharged and 150 gallons recovered - zero net” · 8833 Wagner Station Road · SSO · 0 gallons · notice | ended |
| to 10:59 AM | Anne Arundel County DPW · “Initial volume of water ran down the street and into a storm drain that leads to a large retention pond 250 ft away from the ARV vault.” · 2613 Cabover Drive (DUPLICATE) · SSO (earlier version) · 150 gallons · notice · map | ended |
| to 10:59 AM | Anne Arundel County DPW · “Initial volume of water ran down the street and into a storm drain that leads to a large retention pond 250 feet away from the ARV vault.” · 2613 Cabover Drive · SSO · 150 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 2209 West North Ave · SSO · 1 gallons · notice · map | ended |
| to 11:00 PM | Wssc · “Little Falls” · 5350 Westbard Ave · SSO · 372 gallons · notice · map | ended |
| to 2:17 PM | Baltimore City DPW · “N/A” · 5118 Norwood Rd · SSO · 90 gallons · notice · map | ended |
| to Oct 19 ’25, 8:00 AM | City of Taneytown · “Unnamed Tributary of Piney Creek. No sewage has reached any stormdrain or waterway.” · 332 Burnside Ave · SSO · 100 gallons · notice | ended |
| to Oct 18 ’25, 9:45 PM | Baltimore County DPW · “None.” · 2260 Cromwell Bridge Road · SSO · 200 gallons · notice · map | ended |
| to 12:31 PM | Baltimore City DPW · “no” · 2 Sugarberry Ct · SSO · 150 gallons · notice | ended |
| to Oct 17 ’25, 9:55 AM | City of Brunswick · “Ditch line” · 5th Avenue and 8th Street · SSO · 9,000 gallons · notice | ended |
| to 3:31 PM | Baltimore City DPW · “Jones Falls” · 1708 W. Rogers Avenue · SSO · 1,880 gallons · notice · map | ended |
| to 2:45 PM | Charles County DPW · “N/A - did not reach waters of the State” · 57296 Briarwood Drive · SSO · 255 gallons · notice | ended |
| to 2:00 PM | Baltimore County DPW · “Bill Branch” · 720 Frederick Road · SSO · 200 gallons · notice · map | ended |
| to 3:00 PM | Town of Hancock · “None.” · 4 Fleming Court · SSO · 100 gallons · notice · map | ended |
| to 1:00 PM | Washington County Department of Water Quality · “N/A” · 18243 Roslin Place · SSO · 1,500 gallons · notice · map | ended |
| to Oct 15 ’25, 3:00 AM | Wssc · “Western Branch” · 5516 Cedar Grove Drive · SSO · 80 gallons · notice · map | ended |
| to Oct 14 ’25, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street & Grant Street · CSO · 15,000 gallons · notice | ended |
| to 8:30 AM | Baltimore City DPW · “N/A” · 2418 Baker St · SSO · 5 gallons · notice · map | ended |
| to 5:30 PM | Town of Greensboro · Choptank River · 13875 Greensboro Road · SSO · 2,500 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 3307 Taney Rd · SSO · 1 gallons · notice · map | ended |
| to 6:36 PM | Mayor and City Council of Cumberland · North Branch Potomac River · Mill Race, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street, Walnut Place · CSO · 203,300 gallons · notice · map | ended |
| to 7:59 PM | Baltimore City DPW · “Herring Run” · 6309 Eunice Way · SSO · 297 gallons · notice · map | ended |
| to 8:30 PM | Baltimore City DPW · “N/A” · 1021 Winding Way · SSO · 1 gallons · notice · map | ended |
| to 6:00 PM | Howard County DPW · Stony Creek · 15599 Dorchester Way · SSO · 75,000 gallons · notice · map | ended |
| to Oct 5 ’25, 5:00 PM | Howard County DPW · “storm drain” · 15599 Dorchester Way · SSO · 70,000 gallons · notice | ended |
| to 10:45 AM | Baltimore City DPW · Patapsco River · 3501 Asiatic Ave · SSO · 5,850 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 1901 Chesapeake Ave · SSO · 1 gallons · notice · map | ended |
| to 2:45 PM | Wssc · “Northwest Branch” · 1355 E University Blvd · SSO · 50 gallons · notice · map | ended |
| to 5:00 PM | Baltimore County DPW · “no” · 1039 Maiden Choice Ln (DUPLICATE) · SSO (earlier version) · 350 gallons · notice | ended |
| to 5:00 PM | Baltimore County DPW · “N/A” · 1039 Maiden Choice Lane · SSO · 350 gallons · notice · map | ended |
| to 2:00 AM | Baltimore City DPW · “N/A” · Steelton Ave & Gray Ave (DUPLICATE) · SSO (earlier version) · 0 gallons · notice | ended |
Sources: MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), retrieved 2026-11-03 02:31 UTC. A report's record id and times show when you hover or focus its "report" link.