All water systems in Maryland
2,202 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Wesley Umc and Playgroup Carroll County |
75 | 0 | 0 | |
|
Westminster National Golf Course Carroll County |
75 | 0 | 0 | |
|
Widespread Country Market/tj Roadhouse Frederick County |
75 | 0 | 0 | |
|
Quality Inn & Suites (prev Econolodge) Worcester County |
74 | 0 | 0 | |
|
The Table in Severn Anne Arundel County |
74 | 0 | 0 | |
|
Freeland Jehovahs Witness Hall Baltimore County |
73 | 0 | 0 | |
|
Redeemer Lutheran Church Baltimore County |
73 | 0 | 0 | |
|
Sbs Commercial LLC Kent County |
73 | 1 | 0 | |
|
Travelers Budget Inn Worcester County |
73 | 0 | 0 | |
|
Christ Church Parish House Calvert County |
72 | 0 | 0 | |
|
Fulton Station Shopping Strip Howard County |
72 | 0 | 0 | |
|
Whiteford American Legion #182 Harford County |
72 | 0 | 0 | |
|
Full Moon Pub and Grill Baltimore County |
71 | 0 | 0 | |
|
Harford County 4-H Camp(new Dining Hall Harford County |
71 | 0 | 0 | |
|
Harford County 4-H Girls Cabin Harford County |
71 | 1 | 0 | |
|
Merry Meadows Camp Site B-5, Well #3 Baltimore County |
71 | 0 | 0 | |
|
Boonies Restaurant and Bar Wicomico County |
70 | 1 | 0 | |
|
Brookhill Umc and Weekday Preschool Frederick County |
70 | 0 | 0 | |
|
Calvary Bible Church Carroll County |
70 | 0 | 0 | |
|
Camp Riverview St. Mary's County |
70 | 0 | 0 | |
|
Camp Wabanna Lodge Well Anne Arundel County |
70 | 0 | 0 | |
|
Carriage Country Club Kent County |
70 | 2 | 0 | |
|
Christian Revival Center Carroll County |
70 | 0 | 0 | |
|
Denise Bakery Montgomery County |
70 | 0 | 0 | |
|
Emory UM Church Harford County |
70 | 0 | 0 | |
|
Fallston Building Harford County |
70 | 0 | 0 | |
|
Hampstead Baptist Church Carroll County |
70 | 0 | 0 | |
|
Harriet Chapel Frederick County |
70 | 0 | 0 | |
|
Harvest Bible Chapel Anne Arundel County |
70 | 0 | 0 | |
|
Howard CO Dayton Repair Facility Howard County |
70 | 0 | 0 | |
|
Mar LU Ridge Lodge Frederick County |
70 | 0 | 0 | |
|
Plum Point UM Church Calvert County |
70 | 0 | 0 | |
|
Prince Frederick Professional Bldg Calvert County |
70 | 0 | 0 | |
|
Ridgeway Building Mash Calvert County |
70 | 0 | 0 | |
|
River Downs Golf Club, Francis Scott Carroll County |
70 | 0 | 0 | |
|
Roaring Point Waterfront Campground Wicomico County |
70 | 0 | 0 | |
|
Route 313 Deli @ Barclay Depot Queen Anne's County |
70 | 0 | 0 | |
|
State Line Baptist Church Cecil County |
70 | 2 | 0 | |
|
The Boat Warehouse Cecil County |
70 | 0 | 0 | |
|
The Cannon Club Anne Arundel County |
70 | 0 | 0 | |
|
Killarney House Anne Arundel County |
69 | 0 | 0 | |
|
LU and Joes Restaurant Howard County |
69 | 0 | 0 | |
|
Allegany Boys Home/bald Eagle Allegany County |
68 | 0 | 0 | |
|
Assateague Island Surf Shop Worcester County |
68 | 0 | 0 | |
|
Columbus Club of Hagerstown Washington County |
68 | 0 | 0 | |
|
Dew Drop Inn / Brix in the Stix Baltimore County |
68 | 0 | 0 | |
|
Hoopers Island General Store Dorchester County |
68 | 0 | 0 | |
|
Koski Trucking Well #1 Dorchester County |
68 | 0 | 0 | |
|
Los Guayabos Mexican Grill St. Mary's County |
68 | 0 | 0 | |
|
Monarch Montessori School Harford County |
68 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules currently in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Maryland records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.