Maryland sewage discharges, January 2026
72 records of sewage discharges and water advisories in Maryland dated in January 2026, 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. Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system.
| When | Report | Status |
|---|---|---|
| to Feb 4, 3:00 PM | Baltimore City DPW · “Biddison Run” · 4310 LaSalle Avenue · SSO · 7,275 gallons · notice | ended |
| to Jan 30, 5:00 PM | Baltimore County DPW · “none” · 11695 Crossroad Circle · SSO · 300 gallons · notice | ended |
| Baltimore City DPW · Northwest Harbor · 2443 E. Hoffman St · SSO · 25 gallons · notice · map | reported | |
| to 1:00 PM | Baltimore County DPW · “unknown” · Benges Roda & Crossroads Circle · SSO · 900 gallons · notice | ended |
| to 5:40 AM | Howard County DPW · “driveway” · 1800 Greenwood Place · SSO · 1,000 gallons · notice | ended |
| to Jan 29, 9:50 PM | Worcester County DPW · “none” · 1000 Shore Lane · SSO · 100,000 gallons · notice | ended |
| to 8:05 AM | Baltimore City DPW · “N/A” · 529 N Haven St · SSO · 0 gallons · notice · map | ended |
| to Jan 28, 2:30 PM | Baltimore City DPW · “Dead Run, in the Gwynn Falls watershed.” · 5005 Ashman's Hope · SSO · 31,400 gallons · notice · map | ended |
| to 2:30 PM | Baltimore City DPW · “Nearest waterbody is Jones Falls” · 1505 Ashland Ave · SSO · 20 gallons · notice | ended |
| to 3:10 PM | Wssc · “Patuxent River” · 11500 South Laurel Drive · SSO · 0 gallons · notice · map | ended |
| to Jan 27, 10:45 AM | City of Cambridge DPW · Choptank River · Water St at Vue de Lue, Choptank St · SSO · 5,000 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 4019 Fairview Ave · SSO · 3 gallons · notice · map | ended |
| to 10:30 PM | Wssc · Anacostia River · 10917 Lombardy Rd · SSO · 293 gallons · notice · map | ended |
| to 2:30 PM | Howard County DPW · “into wooded area then into Hammond Branch tributary” · 10036 Rolling River Run · SSO · 200 gallons · notice | ended |
| to 3:00 PM | Cecil County Government · “Retention pond” · 1400 Elkton Rd · SSO · 50 gallons · notice | ended |
| to 11:00 AM | Wssc · “Pavement and into a Storm drain that outfalls into northwest Branch.” · 3209 Norbeck Road · SSO · 56 gallons · notice | ended |
| to Jan 22, 10:00 AM | Baltimore County DPW · “none” · 1403 Wentworth Ave · SSO · 200 gallons · notice | ended |
| to 1:48 PM | Baltimore City DPW · “N/A” · 216 Edgevale Rd · SSO · 6,825 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 703 Reservoir St · SSO · 2 gallons · notice · map | ended |
| to 5:00 PM | Wssc · “Grassy area, unnamed tributary to Collington Branch” · 1002 Pembridge Ct · SSO · 160 gallons · notice | ended |
| to 8:00 PM | Baltimore City DPW · “Gwynns Falls” · 2301 Washington Blvd · SSO · 11,250 gallons · notice | ended |
| to 9:02 PM | Baltimore City DPW · “N/A” · 2307 Washington Blvd · SSO · 313 gallons · notice | ended |
| to 11:15 AM | Anne Arundel County DPW · 5614 Carvel Street · SSO · 150 gallons · notice | ended |
| DC Water · Potomac River · SSO · 280 million gallons · notice · map | reported | |
| to 11:15 AM | Town of Hancock · Potomac River · 4 Fleming Ct · SSO · 200 gallons · notice · map | ended |
| to Jan 17, 12:15 PM | Baltimore City DPW · “N/A” · 1400 Desoto Rd · SSO · 2 gallons · notice | ended |
| to 4:15 PM | Town of Hancock · Potomac River · 280 Pennsylvania Avenue · SSO · 1,000 gallons · notice · map | ended |
| to 11:24 AM | Baltimore City DPW · “N/A” · 16010 East Madison · SSO · 208 gallons · notice | ended |
| to 3:30 PM | Baltimore County DPW · “none” · 9826 Clanford Rd · SSO · volume not reported · notice | ended |
| to 5:24 PM | Baltimore City DPW · “N/A” · 100 N. Holiday Street · SSO · 259 gallons · notice | ended |
| to 3:25 PM | Baltimore City DPW · “storm drain” · 2775 W. North Ave · SSO · 5 gallons · notice | ended |
| to 9:45 AM | Worcester County DPW · Isle of Wight Bay · 1198 Ocean Parkway · SSO · 200 gallons · notice · map | ended |
| to 11:59 PM | Baltimore County DPW · “The SSO was contained to the immediate area, cleaned, and did not enter "waters of the State". SSO was contained to the sewer pipe.” · 3639 Benson Avenue · SSO · 35 gallons · notice | ended |
| to 2:36 PM | Anne Arundel County DPW · “storm drain (Marley Creek)” · 8201 Millfield Ct · SSO · 750 gallons · notice | ended |
| to 10:30 PM | St. Mary's County Metropolitan Commission · “N/A” · 17990 Piney Point Rd · SSO · 8,000 gallons · notice | ended |
| to 10:15 PM | Baltimore County DPW · “Storm drain (Scotts Level Branch)” · Intersection Cervine Lane & Marriottsville · SSO · 75 gallons · notice | ended |
| to 10:15 PM | Baltimore County DPW · “storm drain ( Scotts Level Branch)” · Intersection cervine land & Marriottsville Rd · SSO · 150 gallons · notice | ended |
| to Jan 13, 2:00 PM | Baltimore City DPW · “storm drain” · West Belvedere Ave & West Northern Parkway · SSO · 10 gallons · notice | ended |
| to 10:00 PM | Wssc · “The SSO entered into a storm drain. The WSSC representative said that there was no evidence that the SSO made it to a waterway.” · 9227 Limestone Place · SSO · 50 gallons · notice | ended |
| to 6:41 PM | Baltimore City DPW · “The SSO release of 5 gallons was contained and cleaned up. The SSO did not enter any regulated resources.” · 511 North Pulaski Street · SSO · 43 gallons · notice | ended |
| to Jan 13, 7:15 AM | Baltimore City DPW · “In the plant overflowed out of the pump station into the main hole and storm drain” · 3501 Asiatic Ave · SSO · 3,600 gallons · notice · map | ended |
| to 7:30 PM | Baltimore City DPW · “None” · 1178 Washington Blvd · SSO · volume not reported · notice | ended |
| to 6:00 PM | Baltimore City DPW · “None” · 3712 Windsor Mill Road · SSO · 2 gallons · notice | ended |
| to 7:30 PM | City of Cambridge DPW · Choptank River · Water St, Vue de Lue, Choptank St · SSO · 5,000 gallons · notice · map | ended |
| to 3:18 PM | Mayor and City Council of Cumberland · “Will's Creek” · Valley Street · CSO · 4,500 gallons · notice | ended |
| to Jan 11, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street & Grant Street · CSO · 9,000 gallons · notice | ended |
| to 11:00 AM | St. Mary's County Metropolitan Commission · McIntosh Run · 26288 Point Lookout Rd · SSO · 5,000 gallons · notice · map | ended |
| to Jan 9, 11:00 AM | Baltimore County DPW · Middle River · 107 Lariat Rd. · SSO · 50 gallons · notice · map | ended |
| to 2:00 PM | Baltimore City DPW · “storm drain” · 4025 W. Belvedere Ave · SSO · 5 gallons · notice | ended |
| to Jan 14 | Anne Arundel County Department of Health · Spa Creek · Beach advisory · volume not reported · notice · map | lifted |
| to Jan 14 | Anne Arundel County Department of Health · Spa Creek · Beach advisory (earlier version) · volume not reported report · notice · map | listed |
| to 8:00 PM | Wssc · “Storm drains” · 18036 Mill Creek Drive · SSO · 113 gallons · notice · map | ended |
| to Jan 20, 2:40 PM | Baltimore City DPW · “Herring Run” · 4420 Findlay Rd · SSO · 9,354 gallons · notice · map | ended |
| to 1:55 PM | Anne Arundel County DPW · Spa Creek · Boxwood Rd & Hilltop Lane · SSO · 9,000 gallons · notice · map | ended |
| to 2:55 PM | Baltimore City DPW · “none” · 4420 Findlay · SSO · 85 gallons · notice | ended |
| to 4:00 PM | Baltimore City DPW · “none” · 829 Brinkwood Rd · SSO · 0 gallons · notice | ended |
| to 7:00 PM | Anne Arundel County DPW · “storm drain” · 160 Harry S. Truman Parkway · SSO · 3 gallons · notice | ended |
| to 10:30 AM | Cecil County Government · 1400 Elkton Rd · SSO · 5 gallons · notice | ended |
| to Jan 7, 3:30 PM | Baltimore City DPW · “storm drain underground” · 7001 Reisterstown Rd · SSO · 2,722 gallons · notice | ended |
| to 4:35 PM | Baltimore City DPW · “Cleanout” · 5272 Park Height Ave · SSO · 0 gallons · notice | ended |
| to 2:45 PM | Baltimore City DPW · “storm drain” · 4221 Greenspring Ave · SSO · 2 gallons · notice | ended |
| to Apr 3, 5:30 PM | Baltimore City DPW · “Herring Run” · 5907 Edna Ave · SSO · 620,605 gallons · notice · map | ended |
| to 4:09 PM | Allegany County DPW · North Branch Potomac River · Elizabeth Street · SSO · 900 gallons · notice · map | ended |
| to 2:00 PM | Baltimore City DPW · “none” · 1311 N. Stricker St · SSO · 1 gallons · notice | ended |
| to Jan 6, 10:00 AM | City of Salisbury · “no” · 1502 S Salisbury Blvd · SSO · 500 gallons · notice | ended |
| to 10:00 AM | Howard County DPW · “The overflow never reached a surface body of water, it ponded around the tank area.” · 14091 Patterson Farm Road · SSO · 40 gallons · notice · map | ended |
| to 11:30 PM | Howard County DPW · “Nearby storm drain.” · 5480 Gloucester Road · SSO · 80 gallons · notice · map | ended |
| to Jan 4, 4:10 AM | Wssc · “Paint Branch” · 4000 Greencastle Road · SSO · 2,245 gallons · notice · map | ended |
| to 5:30 PM | Wssc · “Watts Branch” · 11805 Wood Thrush Lane · SSO · 80 gallons · notice · map | ended |
| to 1:00 PM | Baltimore City DPW · “no” · 501 S. Haven St · SSO · 0 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 501 South Hanover St · SSO · 1 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 1613 Ashburton St · SSO · 1 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.