Maryland sewage discharges, May 2023
58 records of sewage discharges and water advisories in Maryland dated in May 2023, 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 9:30 PM | Frederick County Division of Utilities · “None, went into grass of wooded area.” · 9020 Amelung Street · SSO · 24,000 gallons · notice · map | ended |
| to 3:00 PM | Baltimore City DPW · “sludge reached a manhole - not identified whether sanitary or storm.” · 8201 Eastern Blvd · SSO · 500 gallons · notice | ended |
| to 11:00 AM | Baltimore City DPW · “300 gallons of sludge reached a nearby manhole but was removed during the cleanup; it was not specified whether sanitary or storm sewer.” · 8201 Eastern Blvd · SSO · 300 gallons · notice | ended |
| to 10:55 AM | Town of Perryville · Susquehanna River · 1408 B Frenchtown Rd · SSO · 1,000 gallons · notice · map | ended |
| to 5:00 PM | Baltimore City DPW · “Sludge did not reach any manhole or nearby waters.” · 8201 Eastern Blvd · SSO · 2,500 gallons · notice | ended |
| to 8:00 PM | Harford County DPW · “NA” · 1021 Red Pump Road · SSO · 0 gallons · notice | ended |
| to 10:30 AM | Carroll County Bureau of Utilities · “NONE” · 7439 Springfield Avenue · SSO · 200 gallons · notice | ended |
| to 8:15 PM | Harford County DPW · Bush River · 1212 Chelsea Road · Bypass · 0 gallons · notice · map | ended |
| to 4:10 PM | Anne Arundel County DPW · “N/A” · 8833 Wagner Station Rd. · SSO · 50 gallons · notice · map | ended |
| to 3:50 PM | Town of Rock Hall · Chesapeake Bay · 20686 Rock Hall Ave · SSO · 500 gallons · notice · map | ended |
| to 3:50 PM | Town of Rock Hall · Chesapeake Bay · 20641 Rock Hall Ave. · SSO · 499 gallons · notice · map | ended |
| to 8:20 AM | Baltimore City DPW · “unknown; no discharge was indicated to have reached receiving waters” · 8201 Eastern Blvd · SSO · 500 gallons · notice | ended |
| to May 22 ’23, 9:10 PM | Baltimore City DPW · “Western Run” · 3221 Clarks Ln. · SSO · 120 gallons · notice | ended |
| to May 22 ’23, 8:00 AM | Baltimore City DPW · Back River · 8201 Eastern Ave. · SSO · 500 gallons · notice · map | ended |
| to May 23 ’23, 12:00 PM | Baltimore City DPW · “Stony Run” · 3520 Beech Ave · SSO · 3,118 gallons · notice | ended |
| to May 21 ’23, 6:26 PM | Baltimore City DPW · “Gwynns Falls” · 2442 Harriet Ave · SSO · 3,482 gallons · notice · map | ended |
| to 6:20 AM | Baltimore County DPW · “n/a” · 1602 Woodling way · SSO · 10 gallons · notice · map | ended |
| to 9:15 AM | City of Fruitland · “N/A” · 200 Shady Ln · SSO · 1,000 gallons · notice · map | ended |
| to 1:30 PM | Wssc · “NONE - Grassy area only.” · 10 Watkins Park Drive · SSO · 87 gallons · notice | ended |
| to 11:16 AM | Anne Arundel County DPW · “N/A” · 8833 Wagner Station Rd. · SSO · 5 gallons · notice · map | ended |
| to 12:00 PM | Howard County DPW · “NONE” · 7299 Fawn Crossing · SSO · 1,000 gallons · notice | ended |
| to 11:01 PM | Baltimore County DPW · “NA” · 1314 Burleigh Road · SSO · 2 gallons · notice | ended |
| to 9:10 PM | Baltimore City DPW · “N/A” · 2803 Elgin Ave · SSO · 25 gallons · notice | ended |
| to 2:22 PM | Anne Arundel County DPW · “Cox Creek” · 8833 Wagner Station Rd. · SSO · 50 gallons · notice · map | ended |
| to May 17 ’23, 12:02 PM | Baltimore City DPW · “N/A” · 2303 James Street · SSO · 708 gallons · notice | ended |
| to 2:30 PM | Baltimore County DPW · “NA” · 2109 Eastern Blvd · SSO · 50 gallons · notice | ended |
| to 5:00 PM | LaVale Sanitary Commission · “Braddock Run” · Old Mt. Savage Road · CSO · 186,176 gallons · notice | ended |
| to 2:41 PM | Mayor and City Council of Cumberland · North Branch Potomac River · Avirett Street, Valley Street, Franklin Street · CSO · 7,100 gallons · notice · map | ended |
| to 10:30 AM | Baltimore County DPW · “no” · 3 Darby Town Circle · SSO · 3 gallons · notice · map | ended |
| to 10:57 AM | Baltimore City DPW · “Gwynns Falls” · N. Athol Ave. and Birchwood Dr. · SSO · 1,470 gallons · notice | ended |
| to May 12 ’23, 2:00 AM | Baltimore County DPW · “N/A” · 5305 Hazelwood Ave · SSO · 300 gallons · notice | ended |
| to 11:30 PM | Harford County DPW · “storm drain leading to a tributary of Bynum Run” · 1310 Saratoga Drive · SSO · 100 gallons · notice | ended |
| to 1:40 PM | Wssc · “Cabin John” · 7100 Whittier Boulevard · SSO · 181 gallons · notice | ended |
| to 12:20 PM | Baltimore City DPW · “Stony Run” · 4305 Wendover Rd · SSO · 700 gallons · notice | ended |
| to 4:45 PM | Anne Arundel County DPW · “N/A” · 1025A Shoreland Drive · SSO · 61,000 gallons · notice · map | ended |
| to 10:20 AM | City of Frederick DPW · “None” · 100 Treatment Plant · Bypass · 500 gallons · notice | ended |
| to 8:20 PM | Baltimore City DPW · “entered storm drain leading to Herring Run” · Eastern Parkway and Glenmore Ave · SSO · 675 gallons · notice | ended |
| to 1:00 PM | LaVale Sanitary Commission · “Braddock Run” · Old Mt. Savage Road · CSO · 28,975 gallons · notice | ended |
| to 7:30 PM | Town of Rock Hall · “N/A” · 5919 New Street · SSO · 500 gallons · notice | ended |
| to 11:00 PM | LaVale Sanitary Commission · “Braddock Run” · Old Mt. Savage Road · CSO · 233,012 gallons · notice | ended |
| to 4:38 PM | Mayor and City Council of Cumberland · North Branch Potomac River · Avirett Street · CSO · 1,700 gallons · notice · map | ended |
| to 12:00 PM | Howard County DPW · “Storm drain leading to Deep Run.” · Route One and Port Capital Drive · SSO · 2,700 gallons · notice · map | ended |
| to 11:30 AM | Howard County DPW · “Deep Run” · Route 1 and Port Capital Drive · SSO · 2,700 gallons · notice | ended |
| to 2:45 PM | Baltimore County DPW · “Honeygo Run” · 9405 Perry Hall · SSO · 60 gallons · notice | ended |
| to 2:00 PM | Talbot County DPW · “N/A” · Royal Oak Rd · SSO · 7,000 gallons · notice | ended |
| to May 4 ’23, 3:05 PM | Baltimore City DPW · “Gwynn Falls” · Edmondson Ave. & Hilton St. · SSO · 15,600 gallons · notice | ended |
| to May 4 ’23, 3:05 PM | Baltimore City DPW · “Gwynns Falls” · Edmondson Ave. & Hilton St. (DUPLICATE) · SSO (earlier version) · 15,600 gallons · notice | ended |
| to 8:00 PM | Baltimore County DPW · “Towson Run” · 400 W. Pennsylvania · SSO · 240 gallons · notice | ended |
| to 4:40 AM | Perdue AgriBusiness, LLC · “Peggy Branch” · 6906 Zion Church Road · SSO · 1,000 gallons · notice | ended |
| to 11:00 PM | Wssc · “ROCK CREEK” · 11233 Ashley Drive · SSO · 72 gallons · notice | ended |
| to May 25 ’23, 9:09 AM | Baltimore County DPW · “none” · 8 Terron Court · SSO · 4 gallons · notice | ended |
| to 2:30 PM | Wssc · “Northeast Branch” · 7401 Jefferson Ct. · SSO · 330 gallons · notice | ended |
| to May 4 ’23, 11:00 PM | LaVale Sanitary Commission · “Braddock Run” · Old Mt. Savage Road · CSO · 2.1 million gallons · notice | ended |
| to May 3 ’23, 7:00 AM | City of Frostburg · “Sand Spring Run, George's Creek” · State Street, outfall 009/P.1 and Grant Street · CSO · 28,000 gallons · notice | ended |
| to 3:00 PM | Wssc · “N/A” · 10307 Livingston Road · SSO · 200 gallons · notice | ended |
| to 10:01 PM | City of Crisfield · Tangier Sound · Potomac St · SSO · 600 gallons · notice · map | ended |
| to 2:35 AM | Baltimore City DPW · “none” · 8201 Eastern Boulevard · SSO · 500 gallons · notice | ended |
| to May 31 ’23, 12:00 AM | Lakeshore Management, Inc. · “S Branch Patapsco” · 7848 East Hill Road · SSO · 0 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.