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Maryland sewage discharges, April 2025

74 records of sewage discharges and water advisories in Maryland dated in April 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. Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system. Treatment bypass: wastewater skips one or more treatment steps.

Records in Maryland, April 2025, newest first
When	Report	Status
Apr 30 ’25, 10:57 AMto May 2 ’25, 12:00 PM	Carroll County Bureau of Utilities · “Little Morgan Run” · 751 Sussex Ct · SSO · 50,000 gallons · notice	ended
Apr 30 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “N/A” · 5512 Park Heights Ave · SSO · 3 gallons · notice	ended
Apr 29 ’25, 10:00 PMto 11:15 PM	Howard County DPW · “N/A” · 7290 Fawn Crossing Drive · SSO · 15 gallons · notice	ended
Apr 29 ’25, 12:00 PMto 12:30 PM	Baltimore County DPW · “N/A” · 9000 Franklin Square Drive · SSO · 100 gallons · notice	ended
Apr 29 ’25, 11:40 AMto 3:00 PM	Wssc · “N/A” · 12660 English Orchard Ct · SSO · 140 gallons · notice	ended
Apr 29 ’25, 10:53 AMto 1:07 PM	Baltimore City DPW · “Gwynns Falls” · 2617 W. Fairmount Ave · SSO · 740 gallons · notice	ended
Apr 29 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “N/A” · 1429 Poplar Grove St · SSO · 1 gallons · notice	ended
Apr 28 ’25, 11:46 AMto 3:24 PM	Baltimore City DPW · “Tiffany Run” · 4719 York Road · SSO · 158 gallons · notice	ended
Apr 28 ’25, 10:21 AMto 12:08 PM	Anne Arundel County DPW · Patapsco River · 8833 Wagner Station Rd · SSO · 75 gallons · notice · map	ended
Apr 28 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 110 E Preston St · SSO · 1 gallons · notice	ended
Apr 26 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 206 E Eager Street · SSO · 3 gallons · notice	ended
Apr 25 ’25, 5:17 PMto 7:02 PM	Mayor and City Council of Cumberland · North Branch Potomac River · N Mechanic St, Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, Franklin Street, Valley Street, Avirett Street · CSO · 95,500 gallons · notice · map	ended
Apr 25 ’25, 11:26 AMto 9:38 PM	Baltimore City DPW · “Western Run” · 1801 Sulgrave Ave. · SSO · 612 gallons · notice	ended
Apr 25 ’25, 7:00 AMto Apr 26 ’25, 7:00 AM	City of Frostburg · “Sand Spring Run and George's Creek” · State Street, outfall 009/P.1, Grant Street · CSO · 25,000 gallons · notice	ended
Apr 25 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “Gwynns Falls” · 2601 Woodland Ave · SSO · 3 gallons · notice	ended
Apr 24 ’25, 11:00 AMto 12:30 PM	Baltimore County DPW · “Did not enter body of water” · 9076 Waltham Woods Rd · SSO (earlier version) · 100 gallons · notice	ended
Apr 24 ’25, 11:00 AMto 12:30 PM	Baltimore County DPW · “originally reported as entering a storm drain (lower gunpowder Falls); final report says did not enter a body of water” · 9076 Waltham Woods Rd · SSO · 100 gallons · notice	ended
Apr 24 ’25, 8:48 AMto 8:00 PM	Wssc · “Storm Drain to retention pond Est. 2 gal/minute - At time of call - 3 hours @ 2 gal per minute =360 gal At time of follow-up - 7 hours @ 2 gpm = 840 gal” · 12608 Piedmont Road · SSO · 612 gallons · notice	ended
Apr 24 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 706 N Martin Luther King Jr. Blvd · SSO · 1 gallons · notice	ended
Apr 23 ’25, 7:30 PMto Apr 24 ’25, 9:00 AM	Baltimore County DPW · “N/A” · 133 Nunnery Lane · SSO · 15 gallons · notice	ended
Apr 23 ’25, 5:08 PMto 9:07 PM	Baltimore City DPW · “Reported as not reaching waters of the State (closest to Gwynns Falls)” · 2301 Washington Blvd · SSO · 1,074 gallons · notice	ended
Apr 23 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 913 Chauncey Ave · SSO · 1 gallons · notice	ended
Apr 22 ’25, 9:25 PMto 11:38 PM	Baltimore City DPW · “Curtis Bay” · 3705 Everett Street · SSO · 399 gallons · notice	ended
Apr 22 ’25, 4:50 AMto 7:00 AM	City of Salisbury · Wicomico River · 1142 Marine Rd · SSO · 165,000 gallons · notice · map	ended
Apr 21 ’25, 9:30 PMto Apr 25 ’25, 3:03 PM	Baltimore City DPW · “storm drain” · 3701 Southwest Blvd · SSO · 300 gallons · notice	ended
Apr 20 ’25, 5:00 AMto 9:00 AM	Wssc · “Unknown. Overflow was reported by a private resident in a residential community and responded to by WSSC for evaluation. WSSC opened the sewer but did not take responsibilty due to the location. Several attempts to contact the property manager were un” · 53 Brassie Court · SSO · volume not reported · notice	ended
Apr 20 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 3506 Berwyn Ave · SSO · 5 gallons · notice	ended
Apr 19 ’25, 7:00 AMto Apr 20 ’25, 7:00 AM	City of Frostburg · “Sand Spring Run and George's Creek” · State Street and Grant Street · CSO · 11,000 gallons · notice	ended
Apr 18 ’25, 9:25 PMto 11:37 PM	Baltimore City DPW · “NW Harbor” · 410 Key Highway · SSO · 66 gallons · notice	ended
Apr 18 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “na” · 3715 Liberty Heights Ave · SSO · 1 gallons · notice	ended
Apr 18 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 311 N Fulton Ave · SSO · 3 gallons · notice	ended
Apr 17 ’25, 9:00 PMto Apr 22 ’25, 8:30 AM	Baltimore County DPW · “None (previously reported Gwynns Falls)” · 4 Stonemark Ct · SSO · 300 gallons · notice	ended
Apr 17 ’25, 6:15 PMto 6:45 PM	Baltimore County DPW · “N/A” · 2923 Lord Baltimore Dr · SSO · 5 gallons · notice	ended
Apr 17 ’25, 3:36 PMto 8:00 PM	Wssc · “Beaverdam Branch” · 4301 Garden City Drive · SSO · 408 gallons · notice	ended
Apr 17 ’25, 1:40 PMto 6:56 PM	Baltimore City DPW · “NW Harbor” · 414 Key Hwy · SSO · 158 gallons · notice	ended
Apr 17 ’25, 1:30 PMto 5:30 PM	Anne Arundel County DPW · “Happened at the WWTP.” · 1640 Professional Blvd · SSO · 25 gallons · notice	ended
Apr 17 ’25, 9:39 AMto 2:15 PM	Wssc · “Lower Anacostia” · 6501 Greenbelt Road · SSO · 432 gallons · notice	ended
Apr 17 ’25, 9:00 AMto 9:30 AM	Town of Federalsburg · “Marshyhope River downstream of overflow” · south main street · SSO · 500 gallons · notice	ended
Apr 16 ’25, 10:57 AMto Apr 17 ’25, 11:01 AM	Baltimore City DPW · “Herring Run” · 4213 Moravia Road · SSO · 692 gallons · notice	ended
Apr 16 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 5210 The Alameda · SSO · 1 gallons · notice	ended
Apr 16 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 4517 Schenley Road · SSO · 1 gallons · notice	ended
Apr 15 ’25, 11:00 AMto Apr 16 ’25, 10:00 AM	Baltimore County DPW · Liberty Reservoir · 6005 Liberty Rd · SSO · 300 gallons · notice · map	ended
Apr 15 ’25, 12:00 AMto 12:01 PM	Baltimore City DPW · “Western Run” · 6214 Cross Country Blvd · SSO · 1 gallons · notice	ended
Apr 14 ’25, 4:30 PMto 10:00 PM	Wssc · “Unnamed tributary to Henson Creek, Use Class I” · 5408 Brinkley Rd · SSO · 1,350 gallons · notice · map	ended
Apr 13 ’25, 2:20 PMto 8:10 PM	Baltimore City DPW · “Gwynns Falls” · 3600 Marmon Ave · SSO · 145 gallons · notice	ended
Apr 13 ’25, 8:15 AMto 10:40 AM	Baltimore City DPW · “N/A” · 3501 Asiatic Avenue · SSO · 525 gallons · notice	ended
Apr 12 ’25, 3:15 PMto 11:44 PM	Baltimore City DPW · “NW Harbor” · 1700 Thames St · SSO · 1,018 gallons · notice	ended
Apr 11 ’25, 4:00 PMto Apr 12 ’25, 11:00 AM	City of Crisfield · “Big Annemessek River via a drainage ditch” · 104 N. 7th Street · Bypass · 10,000 gallons · notice	ended
Apr 11 ’25, 12:00 PMto Apr 12 ’25, 4:00 AM	City of Crisfield · Little Annemessex River · 104 N 7th Street · SSO · 10,000 gallons · notice · map	ended
Apr 11 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 701 N Carey Street · SSO · 2 gallons · notice	ended
Apr 10 ’25, 10:38 AMto 1:30 PM	Wssc · “Broad Creek” · 5600 Edgewood Drive · SSO · 224 gallons · notice	ended
Apr 9 ’25, 8:00 PMto Apr 22 ’25, 1:45 PM	Mayor and Council of Myersville · “Grind Stone Run” · 2868 Milt Summer Road · Bypass · 310,260 gallons · notice	ended
Apr 8 ’25, 8:33 AMto 11:30 AM	Wssc · “N/A No Waterway involved or nearby. Est. 0.5 gal/minute” · 2 Dellcastle Ct · SSO · 59 gallons · notice	ended
Apr 6 ’25, 4:52 AMto 6:03 AM	Mayor and City Council of Cumberland · “Wills Creek” · Valley Street · CSO · 1,000 gallons · notice	ended
Apr 6 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 2402 Erdman Ave · SSO · 1 gallons · notice	ended
Apr 5 ’25, 9:00 PMto 10:00 PM	Town of Manchester · “Georges Run” · 3286 Beaver Street · SSO · 30,000 gallons · notice	ended
Apr 5 ’25, 8:00 AMto 3:00 PM	Anne Arundel County DPW · “None” · 3430 Hidden River View Road · SSO · 100 gallons · notice	ended
Apr 5 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 3917 Pascal Ave · SSO · 2 gallons · notice	ended
Apr 5 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 2511 Seamon Ave · SSO · 10 gallons · notice	ended
Apr 5 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 2127 Boston Street · SSO · 1 gallons · notice	ended
Apr 4 ’25, 7:00 AMto Apr 5 ’25, 7:00 AM	City of Frostburg · “George's Creek” · 012/U · CSO · 4,000 gallons · notice	ended
Apr 4 ’25, 1:00 AMto 10:00 AM	Calvert Cliffs Nuclear Power Plant, LLC · “NONE” · 1650 Calvert Cliffs Parkway · SSO · 20 gallons · notice	ended
Apr 4 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 3404 Cedardale Road · SSO · 1 gallons · notice	ended
Apr 3 ’25, 5:30 PMto May 13 ’25, 11:30 AM	Baltimore City DPW · “Chinquapin Run” · 828 Cedarcroft Rd · SSO (earlier version) · 5,580 gallons · notice · map	ended
Apr 3 ’25, 5:30 PMto May 13 ’25, 11:30 AM	Baltimore City DPW · “Chinquapin Run” · 828 Cedarcroft Road · SSO · 5,580 gallons · notice	ended
Apr 3 ’25, 7:21 AMto Apr 4 ’25, 5:13 AM	Mayor and City Council of Cumberland · North Branch Potomac River · Oldtown Road, Mill Race, Elizabeth Street, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street · CSO · 118,860 gallons · notice · map	ended
Apr 3 ’25, 7:00 AMto Apr 4 ’25, 7:00 AM	City of Frostburg · “Sand Spring Run, George's Creek” · 001/C, 009/P.2, 012/U · CSO · 31,000 gallons · notice	ended
Apr 3 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 1819 Appleton Street · SSO · 2 gallons · notice	ended
Apr 2 ’25, 12:00 PMto 2:30 PM	Baltimore County DPW · Back River · 7801 Philadelphia Rd. · SSO · 100 gallons · notice · map	ended
Apr 2 ’25, 11:30 AMto 2:24 PM	American Water Operations & Maintenance, Inc. · “swale” · 9560 Patuxent Freeway · SSO · 5,700 gallons · notice	ended
Apr 2 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA (nearby Montebello Wastewater Lake)” · Argonne Dr and Hillen Rd · SSO · 25 gallons · notice	ended
Apr 2 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 2014 Fleet Street · SSO · 1 gallons · notice	ended
Apr 1 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 3102 Presbury Street · SSO · 1 gallons · notice	ended
Apr 1 ’25, 12:00 AMto 12:01 AM	Baltimore City DPW · “NA” · 2415 W Franklin Street · SSO · 3 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.