Lead and Copper Rule Revisions (LCRR) violations in Connecticut
319 active public water systems in Connecticut had a Lead and Copper Rule Revisions (LCRR) violation in the past three years, 319 of them in the latest quarter of EPA's data. What Lead and Copper Rule Revisions (LCRR) is and why it matters.
Health effects: Same as Lead and Copper Rule (5000). Violations typically reflect failure to complete the required lead service line inventory or submit a required replacement plan. Lead service lines are the primary source of lead at the tap in many older systems.
Systems with a Lead and Copper Rule Revisions (LCRR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Berlin Water Control Commission Berlin, Middletown, Newington · Hartford County |
5,128 | 5 | 2 | |
|
Fairfield Hills Newtown · Fairfield County |
2,610 | 3 | 2 | |
|
Ridgefield High and Middle School Ridgefield · Fairfield County |
2,575 | 1 | 1 | |
|
Leonard J.tyl Middle School&high School Montville · New London County |
1,466 | 1 | 1 | |
|
New Fairfield Elementary School New Fairfield · Fairfield County |
1,425 | 3 | 2 | |
|
Killingly High School & Agricultural Ctr Killingly · Windham County |
1,400 | 2 | 1 | |
|
Coventry High & Nathan Hale Schools Coventry · Tolland County |
1,252 | 1 | 1 | |
|
Woodstock Academy Woodstock · Windham County |
1,125 | 3 | 2 | |
|
Strawberry Park Preston · New London County |
1,047 | 3 | 3 | |
|
St. Bernard School Montville · New London County |
950 | 3 | 2 | |
|
Sharon Water & Sewer Commission Sharon · Litchfield County |
803 | 4 | 1 | |
|
Shepaug Middle/high School Washington · Litchfield County |
770 | 2 | 1 | |
|
Bolton Center School (k-8) Bolton · Tolland County |
756 | 1 | 1 | |
|
Indian Field Coop Campground Assn., Inc. Salem · New London County |
685 | 2 | 2 | |
|
Woodstock Elementary School Woodstock · Windham County |
636 | 1 | 1 | |
|
Nathan Hale-Ray Middle School East Haddam · Middlesex County |
620 | 1 | 1 | |
|
Woodstock Academy South Campus Woodstock · Windham County |
620 | 1 | 1 | |
|
Cherry Brook School Canton · Hartford County |
615 | 2 | 2 | |
|
East Haddam Elementary School East Haddam · Middlesex County |
600 | 1 | 1 | |
|
East Hampton High School East Hampton · Middlesex County |
568 | 2 | 1 | |
|
Valley Regional High School Deep River · Middlesex County |
565 | 2 | 1 | |
|
Elisabeth M. Bennet Academy Manchester · Hartford County |
536 | 2 | 1 | |
|
Lebanon Elementary School Lebanon · New London County |
525 | 2 | 1 | |
|
C E Murphy School Montville · New London County |
520 | 1 | 1 | |
|
Woodstock Middle School Woodstock · Windham County |
511 | 1 | 1 | |
|
Stone Bridge Center for Health & Rehab Newtown · Fairfield County |
504 | 2 | 1 | |
|
Preston Veterans Memorial School Preston · New London County |
500 | 1 | 1 | |
|
Sunny Valley Tax District New Milford · Litchfield County |
500 | 5 | 1 | |
|
Yeshiva of Waterbury-Durham Campus Durham · Middlesex County |
490 | 6 | 2 | |
|
Woodhaven Apartments Willington · Tolland County |
489 | 2 | 1 | |
|
East Hampton Middle School East Hampton · Middlesex County |
487 | 2 | 2 | |
|
Parish Hill High School Chaplin · Windham County |
487 | 1 | 1 | |
|
Nathan Hale-Ray High School East Haddam · Middlesex County |
461 | 1 | 1 | |
|
Sherman Elementary School Sherman · Fairfield County |
430 | 5 | 1 | |
|
George Hersey Robertson School Coventry · Tolland County |
420 | 1 | 1 | |
|
Coventry Grammar School Coventry · Tolland County |
415 | 1 | 1 | |
|
Lebanon Middle School Lebanon · New London County |
415 | 1 | 1 | |
|
Lyman Memorial High School Lebanon · New London County |
412 | 3 | 2 | |
|
John Winthrop Junior High School Deep River · Middlesex County |
400 | 1 | 1 | |
|
Pomfret School Pomfret · Windham County |
400 | 2 | 1 | |
|
Andover Elementary School Andover · Tolland County |
381 | 1 | 1 | |
|
Voluntown Elementary School Voluntown · New London County |
365 | 1 | 1 | |
|
Gqc Well Commission East Granby · Hartford County |
360 | 3 | 2 | |
|
Turkey Hill of East Granby, LLC East Granby · Hartford County |
360 | 4 | 1 | |
|
Knollcrest Tax District New Fairfield · Fairfield County |
356 | 5 | 1 | |
|
Washington Montessori School Washington · Litchfield County |
350 | 1 | 1 | |
|
Ethel Walker School Simsbury · Hartford County |
325 | 3 | 1 | |
|
Knollwood Apartments Mansfield · Tolland County |
312 | 1 | 1 | |
|
Bolton High School Bolton · Tolland County |
304 | 1 | 1 | |
|
Franklin Elementary School Franklin · New London County |
300 | 2 | 1 |
About this data
A system is counted once if any of its violations in the past three years involved Lead and Copper Rule Revisions (LCRR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Lead and Copper Rule Revisions (LCRR) 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.