Maryland sewage discharges, August 2025
57 records of sewage discharges and water advisories in Maryland dated in August 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 4:00 PM | Wssc · “Oxon Run” · 736 Maury Ave · SSO · 268 gallons · notice · map | ended |
| to 3:00 PM | Howard County DPW · Patuxent River · 7625 Murray Hill Rd · SSO · 250 gallons · notice · map | ended |
| to 5:00 PM | Wssc · “Horsepen Branch Creek, use class I” · 8101 Red Farm Ln · SSO · 2,280 gallons · notice | ended |
| to Aug 30 ’25, 10:30 PM | American Water Operations & Maintenance, Inc. · Patuxent River · 3220 Laurel Fort Meade Rd · Bypass · 1.3 million gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 2415 W Franklin St · SSO · 1 gallons · notice · map | ended |
| to 10:05 AM | Anne Arundel County DPW · “Did not enter water.” · 8833 Wagner Station Road · SSO · 300 gallons · notice · map | ended |
| to 2:30 PM | Allegany County DPW · “George's Creek” · Wrights Crossing Pump Station · CSO · 36,000 gallons · notice · map | ended |
| to 1:00 PM | Howard County DPW · “None.” · 5005 Lake Circle West · SSO · 100 gallons · notice · map | ended |
| to 1:40 PM | Wssc · Western Branch Patuxent River · 11518 Bennington Drive · SSO · 702 gallons · notice · map | ended |
| to 9:00 PM | Baltimore City DPW · “no” · 3501 Asiatic Ave · SSO · 3,000 gallons · notice | ended |
| to 6:23 PM | Wssc · “Rock Creek” · 12101 Village Square Terrace · SSO · 4,410 gallons · notice · map | ended |
| to 12:10 PM | LaVale Sanitary Commission · “Braddock Run” · 1 Old Mt Savage Rd · SSO · 280,625 gallons · notice · map | ended |
| to 11:58 PM | Mayor and City Council of Cumberland · “Wills Creek” · Valley Street · CSO · 500 gallons · notice · map | ended |
| to Aug 26 ’25, 3:19 PM | Baltimore City DPW · Northwest Harbor · 601 East Clement Street · SSO · 1,314 gallons · notice · map | ended |
| to 2:20 PM | Wssc · “Broad Creek” · 4708 Brinkley Road · SSO · 125 gallons · notice · map | ended |
| to 3:15 PM | St. Mary's County Metropolitan Commission · “Side ditch - did not reach any waterway or drain.” · 43765 Evergreen Way · SSO · 500 gallons · notice · map | ended |
| to 11:50 AM | Baltimore City DPW · “none” · 3501 Asiatic Ave · Bypass · 1.73 million gallons · notice | ended |
| to 10:45 AM | Howard County DPW · “Starts off from manhole in grassy, wooded area-then leads to a tributary to Sucker Branch.” · 8726 Town & Country Blvd · SSO · 200 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 211 Penn St · SSO · 1 gallons · notice · map | ended |
| to 3:00 PM | Calvert County DPW · “None.” · 1325 Fairwood Drive · SSO · 1,200 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 11 W North Ave · SSO · 3 gallons · notice · map | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 2515 Parktrail Rd · SSO · 2 gallons · notice · map | ended |
| to 10:00 PM | Baltimore County DPW · Bear Creek · 7618 E Battle Grove Rd · SSO · 3,211 gallons · notice · map | ended |
| to 3:57 PM | Allegany County DPW · “Wills Creek” · Valley Street · CSO · 800 gallons · notice · map | ended |
| to Aug 16 ’25, 2:30 PM | Baltimore County DPW · “Stemmers Run closest - did not enter any drainage ditches or storm drains” · 6100 Rossville Blvd · SSO · 10 gallons · notice · map | ended |
| to 12:26 PM | Anne Arundel County DPW · “None.” · 1640 Professional Blvd · SSO · 1,000 gallons · notice · map | ended |
| to 5:00 PM | LaVale Sanitary Commission · “Braddock run” · 1 Old Mt Savage Rd · CSO · 650,000 gallons · notice · map | ended |
| to 7:00 PM | Baltimore City DPW · “Herring Run” · 3900 Belair Road · SSO · 343,000 gallons · notice · map | ended |
| to 6:05 PM | Baltimore City DPW · “Herring Run Use Class IV” · 3900 Belair rd · SSO · 10,000 gallons · notice | ended |
| to 11:30 AM | Anne Arundel County DPW · “Boyds Cove” · 291 Cape Saint John Road · SSO (earlier version) · 6,100 gallons · notice · map | ended |
| to 11:40 AM | Anne Arundel County DPW · “Boyds Cove” · 291 Cape Saint John Rd · SSO · 8,100 gallons · notice | ended |
| to Aug 20 ’25 | Anne Arundel County Department of Health · “Boyds Cove (Maccubins Cove) off of the South River in Annapolis” · Beach advisory · volume not reported · notice | lifted |
| to Aug 21 ’25 | Anne Arundel County Department of Health · “Boyds Cove (Maccubins Cove) off of the South River in Annapolis” · Beach advisory (earlier version) · volume not reported report · notice | listed |
| to Aug 14 ’25, 8:30 AM | City of Hagerstown · “grassy area at rear of 13831 Exeter Court adjacent to CSX Rail line” · 13831 Exeter Court · SSO · 100 gallons · notice | ended |
| to 2:27 PM | Mayor and City Council of Cumberland · North Branch Potomac River · 5 CSO locations · CSO · 255,500 gallons · notice · map | ended |
| to Aug 14 ’25, 7:00 AM | City of Frostburg · “Jennings Run” · Water Street · CSO · 14,000 gallons · notice | ended |
| to Aug 14 ’25, 7:00 AM | City of Frostburg · “Sand Spring Run, Jennings Run and George's Creek” · 6 CSO locations · CSO · 88,000 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2947 Westwood Ave · SSO · 1 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2620 Ridgely Rd · SSO · 2 gallons · notice | ended |
| to Aug 11 ’25, 6:18 PM | Baltimore County DPW · Middle River · 2122 Cockspur Road · SSO · 150 gallons · notice · map | ended |
| to 6:00 PM | Town of Hancock · “Unnamed tributary that flows to the Patapsco River.” · 22 Fleming Court · SSO · 200 gallons · notice · map | ended |
| to 11:25 AM | Wssc · “Northeast Branch” · 6219 Greenbelt Road · SSO · 5 gallons · notice · map | ended |
| to 8:30 AM | Worcester County DPW · “none” · 1058 Ocean Parkway · SSO · 3,000 gallons · notice | ended |
| to 9:59 PM | Baltimore City DPW · “N/A” · 2306 E Lafayette Ave · SSO · 397 gallons · notice | ended |
| to 6:13 PM | Baltimore City DPW · “Gwynns Falls” · 4404 Wakefield Road · SSO · 32 gallons · notice | ended |
| to Aug 7 ’25, 12:00 AM | Wssc · “Rock Creek” · 12101-513 Village Square Terrace · SSO · 4,482 gallons · notice · map | ended |
| to Aug 7 ’25, 10:30 AM | Baltimore County DPW · “None.” · 1333 Windlass Drive · SSO (earlier version) · 315 gallons · notice · map | ended |
| to Aug 7 ’25, 10:30 AM | Baltimore City DPW · “Storm drain” · 1333 Windlass Drive · SSO · 315 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 1315 N Stockton St · SSO · 2 gallons · notice | ended |
| to Aug 6 ’25, 3:00 PM | U.S. Navy · Goose Creek · 22894 Cedar Point Rd · SSO · 100 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 5115 Norwood Rd · SSO · 1 gallons · notice | ended |
| to Aug 5 ’25, 12:30 PM | Washington County Department of Water Quality · “Grove Creek” · 22523 Leithersburg-Smithsburg Road · Bypass · 114,000 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 729 Gladstone Ave · SSO · 2 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 4426 Forest View Ave · SSO · 1 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 5501 Alhambra Ave · SSO · 2 gallons · notice | ended |
| to 11:30 AM | Allegany County DPW · “Warrior Run” · MH-20 on Darrows Lane · SSO · 25,500 gallons · notice | ended |
| to 11:30 AM | Allegany County DPW · North Branch Potomac River · Cresaptown Pump Station · SSO · 25,500 gallons · notice · map | ended |
Sources: MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), retrieved 2026-11-03 02:31 UTC; Anne Arundel County Department of Health Recreational Water Closings and Advisories, retrieved 2026-11-03 02:27 UTC. A report's record id and times show when you hover or focus its "report" link.