Maryland sewage discharges, March 2026
104 records of sewage discharges and water advisories in Maryland dated in March 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. Treatment bypass: wastewater skips one or more treatment steps.
| When | Report | Status |
|---|---|---|
| to 2:20 PM | Wssc · Western Branch Patuxent River · 839 Commerce Drive · SSO · 53 gallons · notice · map | ended |
| to 10:45 AM | Maryland Environmental Service · “Rocky Gap Run” · 16401 Gorge Road, NE · SSO · 15 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2514 Frederick Ave · SSO · 1 gallons · notice | ended |
| to Apr 1, 7:00 AM | City of Frostburg · Grant Street · CSO · 3,000 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 403 N Glover St · SSO · 1 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2203 Belair Rd · SSO · 1 gallons · notice | ended |
| to 8:00 PM | Wssc · Mill Creek · 17820 Mill Creek Drive · SSO · 480 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2501 Maryland Ave · SSO · 3 gallons · notice · map | ended |
| to 2:20 PM | Baltimore City DPW · “Tiffany Run” · 4728 York Rd · SSO · 50 gallons · notice · map | ended |
| to 1:00 PM | Baltimore City DPW · “nearby stormdrain” · 4728 York Road · SSO · 50 gallons · notice | ended |
| to 5:22 AM | Mayor and City Council of Cumberland · North Branch Potomac River · Mill Race, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street · CSO · 160,400 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2101 E Biddle St · SSO · 2 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 11 W Melrose Ave · SSO · 1 gallons · notice · map | ended |
| to Mar 27, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street, Paul Street, Grant Street · CSO · 25,000 gallons · notice | ended |
| to 10:46 AM | Baltimore County DPW · “none” · 900 Kenilworth · SSO · 30 gallons · notice | ended |
| to 12:30 PM | Kent County DPW · “none” · 21094 Iowa Ave · SSO · 100 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 762 W Saratoga St · SSO · 2 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2419 Druid Hill Ave · SSO · 1 gallons · notice · map | ended |
| to Mar 25, 4:29 PM | Baltimore County DPW · “West Branch Herbert Run” · 50 University Ave · SSO · 1,713 gallons · notice | ended |
| to 3:39 PM | Baltimore City DPW · “N/A” · 4213 Reisterstown Rd · SSO · 136 gallons · notice | ended |
| to Mar 28, 12:00 AM | Baltimore County DPW · “unknown” · 12012 Reisterstown Rd · SSO · 10,000 gallons · notice | ended |
| to Mar 25, 12:30 PM | Baltimore City DPW · “Biddison Run” · 6465 Frankford · SSO · 34,025 gallons · notice | ended |
| to Mar 25, 12:07 PM | Baltimore City DPW · Northwest Harbor · Rutland Avenue and Federal Street · SSO · 1,081 gallons · notice · map | ended |
| to Mar 24, 5:00 AM | Baltimore City DPW · 3501 Asiatic Ave · Bypass · 8.4 million gallons · notice | ended |
| to 5:00 PM | Baltimore City DPW · “N/A” · 3500 Beech Ave · SSO · 130 gallons · notice · map | ended |
| to 3:00 PM | Baltimore City DPW · “The SSO did not reach any stormwater system or waterways.” · 3646 Park Heights Ave · SSO · 2 gallons · notice | ended |
| to Mar 25, 9:30 PM | Dorchester County Water & Wastewater… · “ditches” · 5340 Bucktown Rd · SSO · 10,000 gallons · notice | ended |
| to 12:00 PM | Wssc · “Rock Creek” · 8032 Ellingson Drive · SSO · 298 gallons · notice | ended |
| to 8:35 AM | St. Mary's County Metropolitan Commission · “Penbrook Run” · 20540 Pershing Drive · SSO · 3,038 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 4101 Stokes Dr · SSO · 1 gallons · notice · map | ended |
| to 6:00 AM | Allegany County DPW · “George's Creek” · Wrights Crossing Pump Station · CSO · 12,000 gallons · notice | ended |
| to 5:28 AM | Mayor and City Council of Cumberland · “6700 gallons since 01:52 at 02:12” · Oldtown Road, Bedford Street, Franklin Street, Valley Street · CSO · 42,700 gallons · notice | ended |
| to 9:56 PM | Baltimore City DPW · Northwest Harbor · 1312 Eastern Avenue · SSO · 7,060 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 2821 Beechland Ave · SSO · 2 gallons · notice | ended |
| to Mar 23, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street & Grant Street · CSO · 11,000 gallons · notice | ended |
| to 8:00 PM | Baltimore County DPW · “n/a” · 2415 West Franklin Street · SSO (earlier version) · 2 gallons · notice | ended |
| to 8:01 PM | Baltimore City DPW · “N/A” · 2415 W Franklin St · SSO · 162 gallons · notice · map | ended |
| to 6:00 PM | Baltimore City DPW · “N/A” · 421 East 22nd Street · SSO · 3 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 816 N Fremont Ave · SSO · 2 gallons · notice · map | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 3010 W Lanvale St · SSO · 1 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 142 W Lanvale St · SSO · 1 gallons · notice · map | ended |
| to 3:15 PM | Howard County DPW · “UT to Little Patuxent River flowing into Elkhorn Lake, Use Class IV-P” · 9355 Wheatsheaf Way · SSO · 375 gallons · notice · map | ended |
| to 4:03 PM | Baltimore City DPW · “none” · 3501 Asiatic Ave · Bypass · 150,000 gallons · notice | ended |
| to Mar 22, 9:41 PM | Baltimore County DPW · Northwest Harbor · 506 S. Central Avenue · SSO (earlier version) · 1,666 gallons · notice · map | ended |
| to Mar 22, 9:41 PM | Baltimore City DPW · “underground storm drain” · 506 S. Central Ave · SSO · 1,666 gallons · notice | ended |
| to 1:35 PM | Baltimore County DPW · “none” · 1136 Reisterstown Rd · SSO · 7 gallons · notice | ended |
| to 4:30 PM | Anne Arundel County DPW · “SSO contained to the roadway. Did not enter storm drain or waterway” · 501 Londontown Rd · SSO · 250 gallons · notice | ended |
| to 8:15 AM | Baltimore City DPW · “N/A” · 4213 Reisterstown Rd · SSO · 1 gallons · notice · map | ended |
| to 1:30 PM | Wssc · “contained in ditch” · 19115 Liberty Mill Road · SSO · 2,151 gallons · notice | ended |
| to 7:40 PM | City of Frederick DPW · “went into another drain, possibly storm drain” · 10 Monocacy Blvd · SSO · 1,000 gallons · notice | ended |
| to Mar 24, 11:00 AM | Baltimore City DPW · “Biddison Run” · 5619 Frankford Ave · SSO · 16,920 gallons · notice · map | ended |
| to 11:32 AM | City of Salisbury · “None” · 611 Ridge Road · SSO (earlier version) · 200 gallons · notice | ended |
| to 11:32 AM | City of Salisbury · “storm drain” · 611 Ridge Rd · SSO · 200 gallons · notice | ended |
| Wssc · 4401-4439 Rena Road · SSO · volume not reported · notice | reported | |
| to 3:00 PM | Town of Hancock · “Ground” · 216 Limestone Road · SSO · 1,000 gallons · notice | ended |
| to 9:10 AM | Town of Hancock · “Tributary of Tonoway, nothing reached stream. Grass” · 1 Fleming Drive · SSO · 100 gallons · notice | ended |
| to 8:30 PM | Wssc · “Tinkers Creek in the Piscataway Basin” · 2014 Frontier Court · SSO · 2,475 gallons · notice | ended |
| to 10:00 AM | Town of Westernport · “Georges Creek” · Main Street · SSO · 15 gallons · notice | ended |
| to Mar 17, 12:30 PM | Maryland Environmental Service · “none” · 7938 Brock Bridge Rd · Bypass · 750,000 gallons · notice | ended |
| to 10:38 PM | Baltimore City DPW · “N/A” · 3010 Presbury Street · SSO · 98 gallons · notice · map | ended |
| to Mar 16, 11:00 AM | Baltimore City DPW · Northwest Harbor · 2208 Fleet St · SSO · 1 gallons · notice · map | ended |
| to 7:31 PM | Baltimore City DPW · “N/A” · 759 Yale Ave · SSO · 194 gallons · notice · map | ended |
| to 4:57 PM | Baltimore City DPW · “Did not enter.” · 759 Yale Ave · SSO · 3 gallons · notice | ended |
| to 3:10 PM | Anne Arundel County DPW · “Did not enter.” · 5826 Redmond St · SSO · 25 gallons · notice | ended |
| to Mar 20, 4:45 AM | Baltimore City DPW · “none” · 3501 Asiatic Ave · Bypass · 46.3 million gallons · notice | ended |
| to 3:10 AM | Baltimore City DPW · “Did not enter.” · 3010 Presbury Street · SSO · 2 gallons · notice | ended |
| to 10:10 AM | Baltimore City DPW · “Groundwater” · 2717 Hollins Ferry Road · SSO · 10 gallons · notice | ended |
| to 12:25 PM | Wssc · “Cabin John Creek” · 6859 Tulip Hill Terrace · SSO · 177 gallons · notice | ended |
| to 1:50 PM | Baltimore City DPW · “storm drain” · 3408 Pinkney Rd · SSO · 1 gallons · notice | ended |
| to 12:15 PM | Baltimore County DPW · “Redhouse Creek” · 8122 Callo Lane · SSO · 100 gallons · notice | ended |
| to Mar 15, 2:30 AM | Baltimore City DPW · “none” · 3501 Asiatic Avenue · Bypass · 10.74 million gallons · notice | ended |
| to 8:15 PM | Wssc · Western Branch Patuxent River · 15404 Ravenglass Lane · SSO · 26 gallons · notice · map | ended |
| to 5:37 PM | Allegany County DPW · North Branch Potomac River · Mill Race, Elizabeth Street, Oldtown Road, Bedford Street, N. Mechanic Street, Franklin Street, Valley Street, Avirett Street · CSO · 103,000 gallons · notice · map | ended |
| to 2:30 PM | St. Mary's County Metropolitan Commission · “Side ditch” · Directory across from 39680 Porpoise Creek Lane · SSO · 50 gallons · notice | ended |
| to 11:30 AM | St. Mary's County Public Schools · “none” · 25390 Colton Point Rd · SSO · 100 gallons · notice | ended |
| to 11:00 AM | St. Mary's County Metropolitan Commission · “side ditch” · 39921 Ben Morgan Rd · SSO · 50 gallons · notice | ended |
| to 10:00 AM | Wssc · “Storm drain” · 6202 41st Avenue · SSO · 40 gallons · notice | ended |
| to Mar 12, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street & Grant Street · CSO · 13,000 gallons · notice | ended |
| to Mar 13, 2:00 AM | Baltimore City DPW · “none” · 3501 Asiatic Ave · Bypass · 4.7 million gallons · notice | ended |
| to 11:15 AM | Baltimore County DPW · “none” · 3621 Landbeck Rd · SSO · 600 gallons · notice | ended |
| to Mar 12, 11:30 AM | Baltimore City DPW · “none” · 21 King James Circle · SSO · 280 gallons · notice | ended |
| to 9:58 PM | Lyons Creek MHC, LLC · “none” · 1007 Lower Pindell Road · SSO · 250 gallons · notice | ended |
| to Mar 10, 10:00 PM | City of Frederick DPW · 354 Carroll Walk Drive · SSO · 100 gallons · notice | ended |
| to Mar 12, 2:00 PM | Baltimore City DPW · “none” · 2901 Rosalind Ave · SSO · 3 gallons · notice | ended |
| to 11:00 PM | Frederick County Division of Utilities · “Storm Drain” · 10 Monocacy Boulevard · SSO · volume not reported · notice | ended |
| to 10:30 PM | Wssc · “Broad Creek” · 4501 Auth Place · SSO · 116 gallons · notice · map | ended |
| to 7:30 PM | Wssc · “Broad Creek” · 3100 Kingsway Road · SSO · 50 gallons · notice · map | ended |
| Baltimore City DPW · “none” · 760 W. Saratoga St · SSO · 2 gallons · notice | reported | |
| to 1:54 PM | Baltimore City DPW · “Stony Run” · 5417 Purlington Way · SSO · 306 gallons · notice · map | ended |
| to 8:45 AM | Harford County DPW · “unknown” · 1212 Chelsea Rd · SSO · 37,050 gallons · notice | ended |
| to 6:20 PM | Wssc · “Western Branch” · 1831 Plymouth Court · SSO · 35 gallons · notice · map | ended |
| to 7:00 PM | Baltimore City DPW · “none” · 1806 Attleton st · SSO · 2 gallons · notice | ended |
| to 11:10 AM | Frederick County Division of Utilities · “entered ditch along side roadway. Did not enter waters” · 8701 Green Valley Rd · SSO · 6,800 gallons · notice | ended |
| to 11:30 PM | City of Frederick DPW · “none” · 100 Treatment Plant Road · SSO · 100 gallons · notice | ended |
| to Mar 6, 8:24 PM | Allegany County DPW · North Branch Potomac River · Oldtown Road, Bedford Street, Franklin Street, Valley Street, Avirett Street · CSO · 62,600 gallons · notice · map | ended |
| to 2:45 PM | Baltimore City DPW · “none” · 2015 Fleet St · SSO · 245 gallons · notice | ended |
| to 11:00 AM | Baltimore City DPW · “no” · 1901 Chesapeake Ave · SSO · 0 gallons · notice | ended |
| to Mar 6, 7:00 AM | City of Frostburg · “Sand Spring Run & George's Creek” · State Street & Grant Street · CSO · 11,000 gallons · notice | ended |
| to 9:30 AM | Anne Arundel County DPW · “None.” · 1600 Homewood Landing Rd · SSO · 25 gallons · notice · map | ended |
| to Mar 4, 6:30 AM | Baltimore City DPW · “none” · 3501 Asiatic Ave · Bypass · 19.58 million gallons · notice | ended |
| to 12:19 PM | Anne Arundel County DPW · “None” · 623 Lighthouse Landing Lane · SSO · 25 gallons · notice · map | ended |
| to 3:00 PM | Baltimore City DPW · Northwest Harbor · 509 S. Exeter Street · SSO · 2 gallons · notice · map | ended |
| to 2:24 PM | Baltimore City DPW · “N/A” · 5228 Kelway Road · SSO · 381 gallons · notice · map | ended |
| to Mar 4, 8:00 AM | Baltimore County DPW · “Nearest waterway is Gwynns Falls and an unnamed tributary to Gwynns Falls, both located west of the property.” · 6825 Campfield Rd · SSO · 2,500 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. A report's record id and times show when you hover or focus its "report" link.