Revised Total Coliform Rule (RTCR) violations in Connecticut
466 active public water systems in Connecticut had a Revised Total Coliform Rule (RTCR) violation in the past three years, 161 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 |
|---|---|---|---|---|
|
Parmelee Farms Well 1 House Killingworth · Middlesex County |
29 | 2 | 1 | |
|
298-302 Albany Turnpike Canton · Hartford County |
28 | 4 | 1 | |
|
Indian River Recreational Complex Clinton · Middlesex County |
28 | 1 | 0 | |
|
LA Guera Mexican Grill & Cantina Morris · Litchfield County |
28 | 1 | 0 | |
|
Lake Road Plaza Bozrah · New London County |
28 | 3 | 1 | |
|
Mountain Dairy Creamery Mansfield · Tolland County |
28 | 3 | 1 | |
|
Salem Free Public Library Salem · New London County |
28 | 2 | 0 | |
|
Charlie's Place Windham · Windham County |
27 | 2 | 0 | |
|
Middlebury Recreation Park Middlebury · New Haven County |
27 | 2 | 0 | |
|
The Quarry Campground LLC (store) Tolland · Tolland County |
27 | 1 | 0 | |
|
VFW Post 5157 Watertown · Litchfield County |
27 | 2 | 0 | |
|
Club Getaway Kent · Litchfield County |
26 | 2 | 1 | |
|
Saint Augustine Church Canterbury · Windham County |
26 | 1 | 0 | |
|
1165 Litchfield Turnpike New Hartford · Litchfield County |
25 | 2 | 0 | |
|
12 Mill Plain Road Danbury · Fairfield County |
25 | 1 | 0 | |
|
12 Rae Palmer Road East Haddam East Haddam · Middlesex County |
25 | 2 | 0 | |
|
1217 Queen ST Southington · Hartford County |
25 | 3 | 0 | |
|
144 Sugar Street Newtown · Fairfield County |
25 | 2 | 0 | |
|
18 Mill Plain Road Danbury · Fairfield County |
25 | 1 | 0 | |
|
183 Route 81 LLC Killingworth · Middlesex County |
25 | 2 | 1 | |
|
19 Putnam RD Store LLC Pomfret · Windham County |
25 | 1 | 0 | |
|
2 Main Street Redding · Fairfield County |
25 | 2 | 0 | |
|
20 Copper Hill Road East Granby · Hartford County |
25 | 4 | 1 | |
|
2103 Storrs Road Mansfield · Tolland County |
25 | 2 | 0 | |
|
241 Roosevelt Drive Monroe · Fairfield County |
25 | 1 | 0 | |
|
283 Scenic Route 169 Woodstock · Windham County |
25 | 3 | 1 | |
|
3 Sidecut Road Redding · Fairfield County |
25 | 2 | 1 | |
|
314 South Main Street Newtown · Fairfield County |
25 | 2 | 0 | |
|
531 Forest Road North Branford · New Haven County |
25 | 2 | 1 | |
|
563 Providence-New London Tnpk North Stonington · New London County |
25 | 5 | 0 | |
|
588 Monroe Tnpk Monroe · Fairfield County |
25 | 2 | 0 | |
|
610 Wauregan Road Killingly · Windham County |
25 | 2 | 0 | |
|
616 Federal Road Brookfield · Fairfield County |
25 | 2 | 1 | |
|
66 Killingworth Road Higganum Haddam · Middlesex County |
25 | 2 | 1 | |
|
673 Danbury Road Wilton · Fairfield County |
25 | 1 | 0 | |
|
810 Bantam Road Litchfield · Litchfield County |
25 | 2 | 0 | |
|
986 Killingworth RD Plaza Haddam · Middlesex County |
25 | 2 | 1 | |
|
Airport Water Company, LLC Essex · Middlesex County |
25 | 2 | 0 | |
|
All-Star Transportation Brookfield · Fairfield County |
25 | 2 | 0 | |
|
Ashford Dari Bar Ashford · Windham County |
25 | 2 | 1 | |
|
Aspetuck Valley Ctry Club Pool/snackbr Weston · Fairfield County |
25 | 1 | 0 | |
|
Axelrod Tire and Service Center Portland · Middlesex County |
25 | 2 | 1 | |
|
Backroads Smokin' Bbq Ellington · Tolland County |
25 | 2 | 1 | |
|
Bestway Convenience Store Bozrah · New London County |
25 | 1 | 0 | |
|
Blackberry River Inn Norfolk · Litchfield County |
25 | 2 | 1 | |
|
Bolton Alltown Fresh Bolton · Tolland County |
25 | 1 | 0 | |
|
Bridgewater Congregational Church Bridgewater · Litchfield County |
25 | 2 | 0 | |
|
Brooklyn Market Brooklyn · Windham County |
25 | 2 | 0 | |
|
Brooksvale Park-Veterans' Memorial Bldg Hamden · New Haven County |
25 | 3 | 0 | |
|
Camp Bethel Haddam · Middlesex County |
25 | 2 | 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 Connecticut 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.