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Maryland sewage discharges, October 2026

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

Records in Maryland, October 2026, newest first
WhenReportStatus
to 9:00 PMBaltimore City DPW · “None” · 3915 Stokes Drive · SSO (earlier version) · 2 gallons report · noticeended
to 10:36 PMBaltimore City Department of Public Works · 3915 Stokes Dr · SSO · 448 gallons report · notice · mapended
to 9:00 PMTown of La Plata · “Groundwater.” · 1014 Canterbury Lane · SSO · 80 gallons report · noticeended
to 2:00 PMHoward County DPW · Patuxent River · River Road · SSO · 33,000 gallons report · notice · mapended
to 11:20 AMBoones Estates, MHC, LLC · “Groundwater” · 1091 Mount Zion Marlboro Rd · SSO · 400 gallons report · noticeended
Baltimore City Department of Public Works · 2025 N Bentalou St · SSO · 2 gallons report · notice · mapreported
Baltimore County DPW · “none” · 8113 Harford Rd · SSO · 30 gallons report · noticereported
to 8:30 PMWssc · “reporter stated no waterways were affected. UT to Magruder Branch (I-P) runs directly behind the address of the overflow.” · 24413 Galeano Way · SSO · 242 gallons report · noticeended
to 1:50 PMAnne Arundel County DPW · “no” · 1015 Brandon Shores Road · SSO · volume not reported report · noticeended
to Oct 28, 7:26 PMBaltimore City Department of Public Works · “Stony Run” · 500 W University Pkwy · SSO · 17,520 gallons report · notice · mapended
to Oct 28, 1:00 PMBaltimore City DPW · 500 W. University Parkway · SSO (earlier version) · 11,000 gallons report · noticeended
Baltimore City Department of Public Works · 1205 Ashland Ave · SSO · 1 gallons report · notice · mapreported
to 12:01 PMWssc · “Little Falls Branch” · 5401 West Bard Avenue - NOT an SSO · SSO · 0 gallons report · noticeended
to 1:30 PMBaltimore City Department of Public Works · “Gwynns Falls” · 2801 Frederick Ave · SSO · 3,000 gallons report · notice · mapended
to 11:30 AMBaltimore City DPW · “Gwynns Falls is about 500 feet away” · 2801 Frederick Ave · SSO (earlier version) · 3,000 gallons report · noticeended
Mayor and Council of Myersville · 2868 Milt Summers Road · Bypass · 560,000 gallons report · noticereported
Private · 2025 N Bentalou St · SSO · 2 gallons report · notice · mapreported
to Oct 23, 10:30 AMBaltimore City Department of Public Works · “Maidens Choice Creek” · 1104 Joh Ave · SSO · 2,700 gallons report · notice · mapended
to Oct 23, 10:00 AMBaltimore City DPW · “None” · 1104 Joh Ave · SSO (earlier version) · 1,410 gallons report · noticeended
to 12:27 PMAnne Arundel County DPW · “none” · 3348 Oak Drive · SSO · 1,000 gallons report · noticeended
to 11:06 PMBaltimore City Department of Public Works · “Gwynns Falls” · 1510 Mosher St · SSO · 401 gallons report · notice · mapended
to Oct 22, 12:03 AMBaltimore City DPW · Patapsco River · 1510 Mosher Street · SSO (earlier version) · 125 gallons report · notice · mapended
to 6:00 PMBaltimore City Department of Public Works · 6205 Pimlico Rd · SSO · 440 gallons report · notice · mapended
Baltimore City Department of Public Works · Northwest Harbor · 700 S Caroline St · SSO · 2 gallons report · notice · mapto Nov 18, 8:12 AM
to 10:30 AMHoward County DPW · “Retaining pond at intersection which goes into Deep Run.” · 7272 Park Circle Drive · SSO · 2,000 gallons report · noticeended
to Oct 19, 7:00 PMWssc · “Muddy Creek” · 12517 Lloydminster Drive · SSO · 1,558 gallons report · noticeended
Baltimore City Department of Public Works · 703 N Carey St · SSO · 3 gallons report · notice · mapreported
Private · 5106 Belle Ave · SSO · 2 gallons report · notice · mapreported
to 3:00 PMWssc · Potomac River · Not Sewage · SSO · 0 gallons report · notice · mapended
to Oct 16, 6:47 PMBaltimore City Department of Public Works · “Herring Run” · 2708 Grindon Ave · SSO · 1,649 gallons report · notice · mapended
to Oct 16, 6:47 PMBaltimore City DPW · “storm drain” · 2708 Grindon Ave · SSO (earlier version) · 1,649 gallons report · noticeended
to Oct 16, 4:05 PMBaltimore County DPW · “Coopers Ranch” · 2405 Stonewall Court · SSO · 100 gallons report · noticeended
to 3:04 PMMayor and City Council of Cumberland · “Wills Creek” · Franklin Street, Bedford Street, Valley Street · CSO · 10,000 gallons report · noticeended
Baltimore City Department of Public Works · Northwest Harbor · 700 S Caroline St · SSO · 5 gallons report · notice · mapto Nov 14, 10:22 AM
to 11:40 AMMaryland Environmental Service · “Wapti Creek” · 4395 Turkey Point Road Elkneck Park · SSO · 500 gallons report · noticeended
to 7:45 PMWssc · “Unamed tributary to Lottsford Branch, b/t headwaters and confluence w/ Folly Branch. Use I waterway. 10/14/26 - No waterway impacted” · 12219 James Madison Lane · SSO · 374 gallons report · noticeended
Baltimore City Department of Public Works · Northwest Harbor · 700 S Caroline St · SSO · 2 gallons report · notice · mapto Nov 12, 8:25 AM
Baltimore City Department of Public Works · 2004 South Rd · SSO · 2 gallons report · notice · mapreported
to Oct 14, 9:54 AMBaltimore City Department of Public Works · “Gwynns Falls” · N Hilton St & Edmondson Ave · SSO · 7,588 gallons report · notice · mapended
to Oct 15, 9:54 AMBaltimore City DPW · “Gwynns Falls” · North Hilton and Edmonson Ave · SSO · 7,588 gallons report · noticeended
to Oct 12, 7:00 AMTown of Perryville · Mill Creek · 72 Ikea Way · SSO · 9,000 gallons report · notice · mapended
to 5:30 PMBaltimore County DPW · Back River · 334 Riverside Drive · SSO · 2,500 gallons report · notice · mapended
to 6:39 PMHarford County DPW · Bush River · 1212 Chelsea Road · Bypass · volume not reported report · notice · mapended
to 1:23 PMBaltimore County DPW · Jones Creek · 2801 Delmar Avenue · SSO · 4,500 gallons report · notice · mapended
to Oct 12, 8:20 AMMayor and City Council of Cumberland · North Branch Potomac River · WWTP, Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street, Walnut Place · CSO · 22.26 million gallons report · notice · mapended
to 5:50 PMBaltimore City Department of Public Works · “Jones Falls” · SSO Site #72 428 E Preston St - SSO Site #72 · SSO · 672,000 gallons report · notice · mapended
to 5:50 PMBaltimore City DPW · “Jones Falls” · 428 East Preston Street · SSO (earlier version) · 672,000 gallons report · noticeended
to Oct 12, 11:30 AMAllegany County DPW · “Will Creek” · Corriganville Pump Station · SSO · 78,000 gallons report · noticeended
to Oct 12, 2:30 AMAllegany County DPW · “Elk Lick Run” · Mill Run Pump Station · SSO · 52,500 gallons report · noticeended
to Oct 12, 3:30 PMAllegany County DPW · “Warrior Run” · Manhole 20 on Darrows Lane · SSO · 91,500 gallons report · noticeended
to Oct 12, 2:30 AMAllegany County DPW · “Elk Lick Run Creek” · Manhole 127 - Pharmacare · SSO · 52,500 gallons report · noticeended
to Oct 12, 3:30 PMAllegany County DPW · North Branch Potomac River · Cresaptown Pump Station · SSO · 91,500 gallons report · notice · mapended
to Oct 12, 7:00 AMCity of Frostburg · “Sand Spring Run & George's Creek” · State Street, FSU running track, outfall 009/P.1, Grant Street · CSO · 132,000 gallons report · noticeended
to Oct 12, 7:00 AMCity of Frostburg · “Jennings Run” · Beall's Lane & Water Street · CSO · 51,000 gallons report · noticeended
to Oct 13, 2:00 PMAllegany County DPW · “Georges Creek” · Wrights Crossing Pump Station · CSO · 654,000 gallons report · noticeended
to Oct 12, 1:00 AMLaVale Sanitary Commission · “Braddock Run” · Former LaVale Pump Station · CSO · 114,000 gallons report · noticeended
to Oct 11, 7:00 AMLaVale Sanitary Commission · “Braddock Run” · 12610 Labers Lane · CSO · 1.5 million gallons report · noticeended
to Oct 11, 7:00 AMCity of Frostburg · “Jennings Run” · Water Street · CSO · 10,000 gallons report · noticeended
to Oct 11, 7:00 AMCity of Frostburg · “Sand Spring Run & George's Creek” · State Street, FSU running track, outfall 009/P.1, Grant Street · CSO · 50,000 gallons report · noticeended
to 4:30 PMWssc · “Northwest Branch” · 12601 Spring Loch Court · SSO · 272 gallons report · noticeended
to 9:21 PMBaltimore City Department of Public Works · “Chinquapin Run” · 6225 York Rd · SSO · 1,960 gallons report · notice · mapended
to 10:21 PMBaltimore City DPW · “Chinquapin Run” · 6225 York Rd · SSO (earlier version) · 1,960 gallons report · noticeended
to 12:15 PMCecil County Government · “None” · Railroad Rd · SSO · 500 gallons report · noticeended
to 11:45 PMWssc · “Paint Branch” · 14255 Ballinger Court · SSO · 233 gallons report · noticeended
to Oct 7, 12:47 PMBaltimore City Department of Public Works · “Jones Falls” · N Howard St & Dolphin St · SSO · 12,085 gallons report · notice · mapended
to Oct 8, 12:47 PMBaltimore City DPW · “Jones Falls” · North Howard and Dolphin St · SSO · 12,085 gallons report · noticeended
to 5:00 PMWssc · Seneca Creek · 110 Odendhal Avenue · SSO · 372 gallons report · notice · mapended
to 7:45 AMTown of Hancock · Potomac River · 4 Fleming Court · SSO · 500 gallons report · notice · mapended
Baltimore City Department of Public Works · 3111 Frisby St · SSO · 3 gallons report · notice · mapreported
to 8:30 AMBaltimore City DPW · “N/A” · 3111 Frisby St · SSO (earlier version) · 3 gallons report · noticeended
to 3:20 PMHoward County DPW · Patapsco River · 3470 North Chatham Rd · SSO · 450 gallons report · notice · mapended
to 1:20 PMWssc · “Sligo Creek” · 6729 Eastern Avenue · SSO · 177 gallons report · noticeended
to 11:35 PMWssc · “Paint Branch” · 13 Ballinger Court · SSO · 135 gallons report · noticeended

Sources: MDE Reported Sewer Overflows (New for 2023), Maryland Open Data Portal (Socrata stgj-u72u), retrieved 2026-11-03 02:31 UTC; Baltimore City DPW Sewer Overflow Map (SSO_Points2 map service), retrieved 2026-11-03 02:30 UTC. A report's record id and times show when you hover or focus its "report" link.