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Community Water System · PWS CT0429011

Ctwc - Baker Hill Division

Clinton, Connecticut 06413 - drinking water served from groundwater sources to 203 people, tracked in EPA SDWIS and UCMR5.

203
People served
201
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 201 drinking-water violations at Ctwc - Baker Hill Division, 7% of them health-based - above the Connecticut per-system average.

201
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
203
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ctwc - Baker Hill Division

Ctwc - Baker Hill Division is a private-owned community water system that delivers drinking water to 203 residents in Clinton, Connecticut (Middlesex County) through 157 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 201 total violations for this system , of which 14 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 175 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 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 - Baker Hill Division's 201 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
203
Total Violations
201
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
157
County
Middlesex
School/Daycare
No
MCL Violations
14
Monitoring Violations
175
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 14 1997
Coliform (TCR) Other 8 1996
Tetrachloroethylene MR 6 1993
1,1,2-Trichloroethane MR 6 1993
Trichloroethylene MR 6 1993
1,2-Dichloropropane MR 6 1993
1,1,1-Trichloroethane MR 6 1993
trans-1,2-Dichloroethylene MR 6 1993
o-Dichlorobenzene MR 6 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 6 1993
cis-1,2-Dichloroethylene MR 6 1993
Toluene MR 6 1993
CHLOROBENZENE MR 6 1993
p-Dichlorobenzene MR 6 1993
1,1-Dichloroethylene MR 6 1993
1,2-Dichloroethane MR 6 1993
ETHYLENE DIBROMIDE MR 6 1993
DICHLOROMETHANE MR 6 1993
Styrene MR 6 1993
Vinyl chloride MR 6 1993
Carbon tetrachloride MR 6 1993
Benzene MR 6 1993
Ethylbenzene MR 6 1993
Coliform (TCR) MR 4 1997
Mercury MR 4 1989
Barium MR 4 1989
Arsenic MR 4 1989
Cadmium MR 4 1989
Selenium MR 4 1989
Gross Alpha, Excl. Radon and U MR 4 1990

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 - Baker Hill Division.

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 CT0429011 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
2012 Glyphosate MR 3 SDWIS / CT0429011 / 2034
2012 Total Polychlorinated Biphenyls (PCB) MR 2 SDWIS / CT0429011 / 2383
2012 Endrin MR 2 SDWIS / CT0429011 / 2005
2012 Diquat MR 2 SDWIS / CT0429011 / 2032
2005 Consumer Confidence Rule Other 2 SDWIS / CT0429011 / 7000
1997 Coliform (TCR) MCL 14 SDWIS / CT0429011 / 3100
1997 Coliform (TCR) MR 4 SDWIS / CT0429011 / 3100
1996 Coliform (TCR) Other 8 SDWIS / CT0429011 / 3100
1993 Tetrachloroethylene MR 6 SDWIS / CT0429011 / 2987
1993 1,1,2-Trichloroethane MR 6 SDWIS / CT0429011 / 2985
1993 Trichloroethylene MR 6 SDWIS / CT0429011 / 2984
1993 1,2-Dichloropropane MR 6 SDWIS / CT0429011 / 2983
1993 1,1,1-Trichloroethane MR 6 SDWIS / CT0429011 / 2981
1993 trans-1,2-Dichloroethylene MR 6 SDWIS / CT0429011 / 2979
1993 o-Dichlorobenzene MR 6 SDWIS / CT0429011 / 2968

How Ctwc - Baker Hill Division Compares

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

Metric Ctwc - Baker Hill Division Connecticut avg Federal benchmark
Total violations 201 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 203 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 - Baker Hill Division water safe to drink?
Ctwc - Baker Hill Division (PWS ID: CT0429011) has 201 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 203 people using Groundwater sources.
How many people does Ctwc - Baker Hill Division serve?
Ctwc - Baker Hill Division serves 203 people in Clinton, Connecticut. It is a Private-owned system using Groundwater water sources with 157 service connections.
What type of violations does Ctwc - Baker Hill Division have?
Ctwc - Baker Hill Division has 201 total violations: 14 health-based violations (MCL exceedances or treatment failures), 175 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ctwc - Baker Hill Division water?
No PFAS testing data is available for Ctwc - Baker Hill Division under the EPA's UCMR5 monitoring program.
What water source does Ctwc - Baker Hill Division use?
Ctwc - Baker Hill Division 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.
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.