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THOMPSON HILL WATER CO - PAULA LANE DIV

PWS ID: CT1410661 · THOMPSON, Connecticut 06277-0303

THOMPSON HILL WATER CO - PAULA LANE DIV serves 85 people in THOMPSON, Connecticut using Groundwater water sources. It has 885 recorded EPA violations, including 81 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: THOMPSON HILL WATER CO - PAULA LANE DIV

THOMPSON HILL WATER CO - PAULA LANE DIV is a private-owned community water system that delivers drinking water to 85 residents in THOMPSON, Connecticut (Windham County) through 25 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 885 total violations for this system , of which 81 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 738 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 78 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Connecticut, EPA tracks 2,332 public water systems serving 2,886,005 people, with 206,662 cumulative violations and 21,779 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 88.6 violations. THOMPSON HILL WATER CO - PAULA LANE DIV's 885 violations sit above the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
85
Total Violations
885
Health-Based Violations
81
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
25
County
Windham
School/Daycare
No
MCL Violations
70
Monitoring Violations
738
Treatment Tech Violations
11

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 78 2021
Coliform (TCR) MCL 45 1994
Coliform (TCR) MR 27 2008
Tetrachloroethylene MR 23 2019
1,1,2-Trichloroethane MR 23 2019
1,2-Dichloropropane MR 23 2019
DICHLOROMETHANE MR 23 2019
1,1-Dichloroethylene MR 23 2019
o-Dichlorobenzene MR 23 2019
p-Dichlorobenzene MR 23 2019
1,2-Dichloroethane MR 23 2019
1,1,1-Trichloroethane MR 23 2019
Carbon tetrachloride MR 23 2019
Trichloroethylene MR 23 2019
Benzene MR 23 2019
Ethylbenzene MR 23 2019
Styrene MR 23 2019
Toluene MR 23 2019
CHLOROBENZENE MR 23 2019
cis-1,2-Dichloroethylene MR 23 2019
trans-1,2-Dichloroethylene MR 23 2019
Vinyl chloride MR 23 2019
Coliform (TCR) Other 20 1994
Revised Total Coliform Rule MON 20 2022
Public Notice Other 19 2022
Consumer Confidence Rule Other 17 2020
Gross Alpha, Excl. Radon and U MCL 14 2007
1,2,4-Trichlorobenzene MR 12 2019
Combined Radium (-226 and -228) MCL 11 2007
2,4,5-TP MR 9 1995

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for THOMPSON HILL WATER CO - PAULA LANE DIV.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CT1410661 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Connecticut Drinking Water Authority

Connecticut's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find CT regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT1410661 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT1410661 / 5200
2022 Revised Total Coliform Rule MON 20 SDWIS / CT1410661 / 8000
2022 Public Notice Other 19 SDWIS / CT1410661 / 7500
2021 Lead and Copper Rule MR 78 SDWIS / CT1410661 / 5000
2021 Revised Total Coliform Rule TT 4 SDWIS / CT1410661 / 8000
2020 Consumer Confidence Rule Other 17 SDWIS / CT1410661 / 7000
2019 Tetrachloroethylene MR 23 SDWIS / CT1410661 / 2987
2019 1,1,2-Trichloroethane MR 23 SDWIS / CT1410661 / 2985
2019 1,2-Dichloropropane MR 23 SDWIS / CT1410661 / 2983
2019 DICHLOROMETHANE MR 23 SDWIS / CT1410661 / 2964
2019 1,1-Dichloroethylene MR 23 SDWIS / CT1410661 / 2977
2019 o-Dichlorobenzene MR 23 SDWIS / CT1410661 / 2968
2019 p-Dichlorobenzene MR 23 SDWIS / CT1410661 / 2969
2019 1,2-Dichloroethane MR 23 SDWIS / CT1410661 / 2980

How THOMPSON HILL WATER CO - PAULA LANE DIV Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric THOMPSON HILL WATER CO - PAULA LANE DIV Connecticut avg Federal benchmark
Total violations 885 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 81 9.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 63.5% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 85 1,238 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,332 regulated public water systems in Connecticut.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is THOMPSON HILL WATER CO - PAULA LANE DIV water safe to drink?
THOMPSON HILL WATER CO - PAULA LANE DIV (PWS ID: CT1410661) has 885 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 85 people using Groundwater sources.
How many people does THOMPSON HILL WATER CO - PAULA LANE DIV serve?
THOMPSON HILL WATER CO - PAULA LANE DIV serves 85 people in THOMPSON, Connecticut. It is a Private-owned system using Groundwater water sources with 25 service connections.
What type of violations does THOMPSON HILL WATER CO - PAULA LANE DIV have?
THOMPSON HILL WATER CO - PAULA LANE DIV has 885 total violations: 81 health-based violations (MCL exceedances or treatment failures), 738 monitoring/reporting violations, and 11 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in THOMPSON HILL WATER CO - PAULA LANE DIV water?
No PFAS testing data is available for THOMPSON HILL WATER CO - PAULA LANE DIV under the EPA's UCMR5 monitoring program.
What water source does THOMPSON HILL WATER CO - PAULA LANE DIV use?
THOMPSON HILL WATER CO - PAULA LANE DIV uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial