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Maryland sewage discharges, September 2025

58 records of sewage discharges and water advisories in Maryland dated in September 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.

Records in Maryland, September 2025, newest first
WhenReportStatus
to 6:45 PMAnne Arundel County DPW · “None.” · 8791 Piney orchard Parkway · SSO · 3,000 gallons · notice · mapended
to 10:20 AMBaltimore County DPW · “Ruxton Run” · 500 Greenwood Rd · SSO · 200 gallons · notice · mapended
to Sep 30 ’25, 11:53 AMBaltimore City DPW · “Baltimore Harbor” · Steelton Ave and Gray Ave · SSO · 6,696 gallons · notice · mapended
to 2:45 PMCity of Frederick DPW · “City owned storm drain pond” · 1334 Hillcrest Drive · SSO · 50 gallons · notice · mapended
to 6:33 PMWssc · “Unknown Creek into Northwest Branch Anacostia River” · 1811 Metzerott Road · SSO · 582 gallons · notice · mapended
to 6:50 AMWssc · “Did not go into creek. Went through multiple storm pond areas and then into marshland.” · 12600 Great Seneca Hwy · SSO · 9,500 gallons · notice · mapended
to 5:00 PMWssc · “Seneca Creek” · 10214 Millstream Drive · SSO · 983 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “N/A” · 104 S Clinton St · SSO · 1 gallons · notice · mapended
to 11:00 AMBaltimore County DPW · “None.” · 1039 Maiden Choice Lane · SSO · 20 gallons · notice · mapended
to 10:10 AMAnne Arundel County DPW · “None.” · 1667 Crofton Center Court · SSO · 25 gallons · notice · mapended
to Sep 25 ’25, 7:00 AMCity of Frostburg · “Sand Spring Run and George's Creek” · State Street and outfall 009/P.2 · CSO · 15,000 gallons · noticeended
to Sep 24 ’25, 9:18 AMBaltimore City DPW · “Tiffany Run” · 502 East Cold Spring Lane · SSO · 1,198 gallons · notice · mapended
to 1:13 PMBaltimore City DPW · “N/A” · 948 Montpelier St · SSO · 168 gallons · notice · mapended
to 11:18 AMBaltimore City DPW · “N/A” · 336 S. Calhoun Street · SSO · 160 gallons · noticeended
to 8:05 AMBaltimore City DPW · “N/A” · 2518 Keyworth Ave · SSO · 1 gallons · notice · mapended
to 2:13 AMMayor and City Council of Cumberland · North Branch Potomac River · Avirett Street, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street · CSO · 27,923 gallons · notice · mapended
to 5:30 PMTalbot County DPW · “N/A” · 25699 St. Michael's Road · SSO · 1,500 gallons · noticeended
to 7:46 PMBaltimore City DPW · “Gwynns Falls” · 2212 Russell Street · SSO · 485 gallons · noticeended
to 12:30 PMBaltimore City DPW · “None.” · 206 E. Eager St · SSO · 70 gallons · notice · mapended
to 9:00 PMAnne Arundel County DPW · “N/A” · 7969 Covington Avenue · SSO · 450 gallons · notice · mapended
to 12:00 PMHoward County DPW · “None.” · 14800 Carrs Mill Road · SSO · 450 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “N/A” · 201 W Lanvale St · SSO · 2 gallons · notice · mapended
to 7:03 PMBaltimore City DPW · “Jones Falls” · 4712 Club Road · SSO · 2,192 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “Chinquapin Run” · 5656 The Alameda · SSO · 1 gallons · notice · mapended
to Sep 18 ’25, 12:57 PMU.S. Navy · Severn River · Halligan Rd & Gilmore Rd · SSO · 5,200 gallons · notice · mapended
to 12:58 PMMayor and City Council of Cumberland · “Wills Creek” · Franklin Street, North Mechanic Street & Valley Street · CSO · 10,900 gallons · noticeended
to Sep 17 ’25, 12:00 PMSt. Mary's County Metropolitan Commission · “did not enter any water of State” · 21620 Spy Glass Way · SSO · 40 gallons · noticeended
to 11:00 AMWssc · “Rock Run” · 2907 Ivydale Street · SSO · 50 gallons · notice · mapended
to 6:45 AMAnne Arundel County DPW · “None.” · 1640 Professional Blvd · SSO · 15 gallons · notice · mapended
to Sep 15 ’25, 1:00 AMAnne Arundel County DPW · Chesapeake Bay · 5616 Carvel Street · SSO · 75 gallons · notice · mapended
to 6:39 PMBaltimore City DPW · “Did not reach waters of the state. Discharge to street only.” · 5707 Cross Country Blvd · SSO · 590 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “N/A” · 1533 W Lombard St · SSO · 1 gallons · notice · mapended
to 6:00 PMWssc · “Northwest Branch” · 2123 Queensguard Rd · SSO · 660 gallons · notice · mapended
to 7:45 AMKent County DPW · “N/A” · 20767 Rock Hall Ave · SSO · 750 gallons · noticeended
to 8:05 AMBaltimore City DPW · “N/A” · 617 North Calhoun St · SSO · 1 gallons · noticeended
to 8:05 AMBaltimore City DPW · “N/A” · 504 East 36th St · SSO · 1 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “N/A” · 2717 Hollins Ferry Rd · SSO · 1 gallons · notice · mapended
to Sep 9 ’25, 1:55 AMBaltimore City DPW · “None.” · 436 Kane · SSO · 257 gallons · noticeended
to 9:30 PMWssc · “Cabin John” · 11409 Falls Rd · SSO · 197 gallons · notice · mapended
to 11:00 AMBaltimore City DPW · “N/A” · 3306 Spaulding Ave · SSO · 1 gallons · notice · mapended
to 6:35 PMBaltimore City DPW · “N/A” · 4600 Falls Rd · SSO · 245 gallons · notice · mapended
to Sep 7 ’25, 7:30 AMBaltimore County DPW · “Stemmers Run” · 5127 Terrace Drive · SSO · 125 gallons · notice · mapended
to 5:45 PMBaltimore County DPW · “Red House Run” · 5310 Hazelwood Ave · SSO · 250 gallons · notice · mapended
to 10:30 AMBaltimore County DPW · “None.” · 720 Bosley Ave · SSO · 30 gallons · notice · mapended
to 6:20 PMBaltimore City DPW · “NA” · 5015 Anntana Ave · SSO · 360 gallons · noticeended
to Jan 21, 10:00 AMBaltimore City DPW · “Herring Run” · 6301 Quad Ave · SSO · 397,520 gallons · notice · mapended
to 8:05 AMBaltimore City DPW · “N/A” · 1535 Homestead St · SSO · 2 gallons · notice · mapended
to 1:30 PMWashington County Department of Water Quality · “N/A” · 9529 Morning Walk Drive · SSO · 1,000 gallons · notice · mapended
to 1:33 PMAnne Arundel County DPW · “Cox Creek” · 8833 Wagner Station Rd · SSO · 225 gallons · noticeended
to Sep 5 ’25, 3:15 PMBaltimore City DPW · “Jones Falls” · 617 North Calhoun Street · SSO · 50 gallons · notice · mapended
to Sep 3 ’25, 12:00 AMWashington County Department of Water Quality · “None.” · 13471 Pennsylvania Ave · SSO · 1,000 gallons · notice · mapended
to 11:00 PMWssc · “Unnamed tributary to Northeast Branch e (Use I waterway)” · 7501 Muirkirk Rd · SSO · 526 gallons · noticeended
to 10:20 PMWssc · “nearest waterway to the site is Cabin John Creek” · 9101 Clewerwall Drive · SSO · 364 gallons · notice · mapended
to 8:00 PMBaltimore County DPW · “Not going into any waters of the state” · 2109 Eastern Boulevard · SSO · 200 gallons · noticeended
to 8:05 AMBaltimore City DPW · “N/A” · 4849 Pimlico Rd · SSO · 2 gallons · notice · mapended
to 8:20 AMMayor and Council of the Town of Accident · Bear Creek · 427 South Main Street · SSO · 75 gallons · notice · mapended
to 9:45 AMWssc · “Rock Creek” · 3814 Washington Street · SSO · 105 gallons · noticeended
to 6:15 PMHoward County DPW · “Grassy area” · 10000 Clarksville Pike · SSO · 100 gallons · notice · mapended

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.