Revised Total Coliform Rule (RTCR) violations in Maryland
361 active public water systems in Maryland had a Revised Total Coliform Rule (RTCR) violation in the past three years, 3 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Lamonts Night Club Charles County |
64 | 1 | 0 | |
|
State Line Motel Washington County |
64 | 1 | 0 | |
|
Breit 4840/4844 Winchester Boulevard Frederick County |
61 | 1 | 0 | |
|
M.r.d.c. Head Start Caroline County |
61 | 3 | 0 | |
|
Watermans, Londontowne Wine Sirits Anne Arundel County |
61 | 1 | 0 | |
|
Aztk House Anne Arundel County |
60 | 2 | 0 | |
|
Centre Umc and Forest Hill Nursery Harford County |
60 | 1 | 0 | |
|
Davidsonville Pediatric Group Anne Arundel County |
60 | 1 | 0 | |
|
Jimmys Corner Store Charles County |
60 | 2 | 0 | |
|
Kids Campus Early Learning Center Calvert County |
60 | 2 | 0 | |
|
MT Carmel Baptist Church Harford County |
60 | 1 | 0 | |
|
Pleasant Valley Community Park Washington County |
60 | 2 | 0 | |
|
Smiths Chapel Umc Harford County |
60 | 1 | 0 | |
|
South River Eye Care Anne Arundel County |
60 | 1 | 0 | |
|
Shelter Cove Yacht and Marina INC Cecil County |
59 | 3 | 1 | |
|
Franklin Baptist Church Harford County |
56 | 1 | 0 | |
|
West Nottingham Presbyterian Church Cecil County |
56 | 3 | 0 | |
|
Holy Cross Episcopal Church Harford County |
55 | 1 | 0 | |
|
New Star Inn Anne Arundel County |
55 | 1 | 0 | |
|
Quiet Waters Park Well # 4 Anne Arundel County |
55 | 1 | 0 | |
|
Subway Edgewater Anne Arundel County |
55 | 1 | 0 | |
|
Generals Plaza Anne Arundel County |
54 | 1 | 0 | |
|
Dans Store Charles County |
54 | 1 | 0 | |
|
EI Castillo Pizzeria Washington County |
54 | 1 | 0 | |
|
Pantry One Petroleum Cecil County |
54 | 2 | 0 | |
|
Bay Ridge Christian Church Anne Arundel County |
53 | 1 | 0 | |
|
Gibsons Shell Anne Arundel County |
53 | 1 | 0 | |
|
Potomac Fish and Game Club Kitchen Washington County |
53 | 1 | 0 | |
|
Western MD Sportsmens Club Washington County |
53 | 1 | 0 | |
|
Double Tap Tavern Kent County |
52 | 1 | 0 | |
|
Gibson Island Shell Anne Arundel County |
52 | 2 | 0 | |
|
Jessup Shell Food Market Anne Arundel County |
52 | 1 | 0 | |
|
Loyola Retreat House Charles County |
52 | 1 | 0 | |
|
Mayo General Store Anne Arundel County |
52 | 1 | 0 | |
|
Morans Liquors Allegany County |
52 | 1 | 0 | |
|
Quiet Waters Park Well # 3 Anne Arundel County |
52 | 2 | 0 | |
|
Saucy Salamander Anne Arundel County |
52 | 1 | 0 | |
|
Webster United Church of Christ Harford County |
52 | 1 | 0 | |
|
Fishing Creek Pool Anne Arundel County |
51 | 1 | 0 | |
|
ST Andrew the Fisherman Anne Arundel County |
51 | 1 | 0 | |
|
Annapolis Seventh Day Adventist Anne Arundel County |
50 | 1 | 0 | |
|
Bon Secour Spiritual Center Howard County |
50 | 3 | 0 | |
|
Bragg Motel Prince George's County |
50 | 1 | 0 | |
|
Complete Recyling Cecil County |
50 | 2 | 0 | |
|
Dollar General #14710 Wicomico County |
50 | 1 | 0 | |
|
Elkton Church of God Cecil County |
50 | 1 | 0 | |
|
Grinders Liquors Charles County |
50 | 1 | 0 | |
|
Happy House Carryout Anne Arundel County |
50 | 1 | 0 | |
|
Harford County Airport Harford County |
50 | 3 | 0 | |
|
Harford Technical HS Concession Stnd Harford County |
50 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) alone.
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.