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Community Water System · PWS CT0261081

Ctwc - Shoreline Reg-Chester Vllg West

Clinton, Connecticut 06413 - drinking water served from groundwater sources to 216 people, tracked in EPA SDWIS and UCMR5.

216
People served
94
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 94 drinking-water violations at Ctwc - Shoreline Reg-Chester Vllg West, 21% of them health-based - above the Connecticut per-system average.

94
Total EPA violations on record
21%
Health-based (MCL / treatment failure)
216
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ctwc - Shoreline Reg-Chester Vllg West

Ctwc - Shoreline Reg-Chester Vllg West is a private-owned community water system that delivers drinking water to 216 residents in Clinton, Connecticut (Middlesex County) through 105 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 94 total violations for this system , of which 20 (21%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 74 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Combined Uranium, recorded in 16 violations (MCL, health-based). 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. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%).

Ctwc - Shoreline Reg-Chester Vllg West's 94 violations sit above the Connecticut average.

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
216
Total Violations
94
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
105
County
Middlesex
School/Daycare
No
MCL Violations
20
Monitoring Violations
74
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Uranium MCL 16 2022
Coliform (TCR) MR 6 2004
Chlorine MR 6 2004
Coliform (TCR) MCL 4 1993
Combined Radium (-226 and -228) MR 4 2010
Combined Uranium MR 4 2010
Gross Alpha, Excl. Radon and U MR 4 2010
Total Haloacetic Acids (HAA5) MR 4 2016
TTHM MR 4 2016
DICHLOROMETHANE MR 2 2011
p-Dichlorobenzene MR 2 2011
1,1-Dichloroethylene MR 2 2011
1,1,1-Trichloroethane MR 2 2011
1,2-Dichloropropane MR 2 2011
1,1,2-Trichloroethane MR 2 2011
CHLOROBENZENE MR 2 2011
Lead and Copper Rule MR 2 2014
1,2,4-Trichlorobenzene MR 2 2011
Carbon tetrachloride MR 2 2011
Tetrachloroethylene MR 2 2011
Trichloroethylene MR 2 2011
Styrene MR 2 2011
o-Dichlorobenzene MR 2 2011
Vinyl chloride MR 2 2011
trans-1,2-Dichloroethylene MR 2 2011
Benzene MR 2 2011
cis-1,2-Dichloroethylene MR 2 2011
Ethylbenzene MR 2 2011
1,2-Dichloroethane MR 2 2011
Toluene MR 2 2011

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 Ctwc - Shoreline Reg-Chester Vllg West.

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 CT0261081 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
2022 Combined Uranium MCL 16 SDWIS / CT0261081 / 4006
2016 Total Haloacetic Acids (HAA5) MR 4 SDWIS / CT0261081 / 2456
2016 TTHM MR 4 SDWIS / CT0261081 / 2950
2014 Lead and Copper Rule MR 2 SDWIS / CT0261081 / 5000
2011 DICHLOROMETHANE MR 2 SDWIS / CT0261081 / 2964
2011 p-Dichlorobenzene MR 2 SDWIS / CT0261081 / 2969
2011 1,1-Dichloroethylene MR 2 SDWIS / CT0261081 / 2977
2011 1,1,1-Trichloroethane MR 2 SDWIS / CT0261081 / 2981
2011 1,2-Dichloropropane MR 2 SDWIS / CT0261081 / 2983
2011 1,1,2-Trichloroethane MR 2 SDWIS / CT0261081 / 2985
2011 CHLOROBENZENE MR 2 SDWIS / CT0261081 / 2989
2011 1,2,4-Trichlorobenzene MR 2 SDWIS / CT0261081 / 2378
2011 Carbon tetrachloride MR 2 SDWIS / CT0261081 / 2982
2011 Tetrachloroethylene MR 2 SDWIS / CT0261081 / 2987
2011 Trichloroethylene MR 2 SDWIS / CT0261081 / 2984

How Ctwc - Shoreline Reg-Chester Vllg West Compares

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

Metric Ctwc - Shoreline Reg-Chester Vllg West Connecticut avg Federal benchmark
Total violations 94 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 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 216 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Ctwc - Shoreline Reg-Chester Vllg West water safe to drink? ▼
Ctwc - Shoreline Reg-Chester Vllg West (PWS ID: CT0261081) has 94 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 216 people using Groundwater sources.
How many people does Ctwc - Shoreline Reg-Chester Vllg West serve? ▼
Ctwc - Shoreline Reg-Chester Vllg West serves 216 people in Clinton, Connecticut. It is a Private-owned system using Groundwater water sources with 105 service connections.
What type of violations does Ctwc - Shoreline Reg-Chester Vllg West have? ▼
Ctwc - Shoreline Reg-Chester Vllg West has 94 total violations: 20 health-based violations (MCL exceedances or treatment failures), 74 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ctwc - Shoreline Reg-Chester Vllg West water? ▼
No PFAS testing data is available for Ctwc - Shoreline Reg-Chester Vllg West under the EPA's UCMR5 monitoring program.
What water source does Ctwc - Shoreline Reg-Chester Vllg West use? ▼
Ctwc - Shoreline Reg-Chester Vllg West 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.