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CTWC - SDC WATER

PWS ID: CT1470011 · CLINTON, Connecticut 06413

CTWC - SDC WATER serves 216 people in CLINTON, Connecticut using Groundwater water sources. It has 246 recorded EPA violations, including 27 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CTWC - SDC WATER

CTWC - SDC WATER is a private-owned community water system that delivers drinking water to 216 residents in CLINTON, Connecticut (New London County) through 54 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 246 total violations for this system , of which 27 (11%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 121 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 27 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. CTWC - SDC WATER's 246 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
216
Total Violations
246
Health-Based Violations
27
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
54
County
New London
School/Daycare
No
MCL Violations
27
Monitoring Violations
121
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 27 2012
Lead and Copper Rule MR 6 1998
Public Notice Other 6 2013
Trichloroethylene MR 5 1993
p-Dichlorobenzene MR 5 1993
o-Dichlorobenzene MR 5 1993
DICHLOROMETHANE MR 5 1993
Styrene MR 5 1993
ETHYLENE DIBROMIDE MR 5 1993
Coliform (TCR) MR 5 2010
cis-1,2-Dichloroethylene MR 5 1993
Benzene MR 5 1993
CHLOROBENZENE MR 5 1993
1,2-Dichloropropane MR 5 1993
1,2-Dichloroethane MR 5 1993
Vinyl chloride MR 5 1993
1,2-DIBROMO-3-CHLOROPROPANE MR 5 1993
Carbon tetrachloride MR 5 1993
1,1,1-Trichloroethane MR 5 1993
Ethylbenzene MR 5 1993
1,1,2-Trichloroethane MR 5 1993
Toluene MR 5 1993
E. COLI MR 5 2011
1,1-Dichloroethylene MR 5 1993
Tetrachloroethylene MR 5 1993
trans-1,2-Dichloroethylene MR 5 1993
1,1,1-Trichloroethane Other 2 1993
Carbon tetrachloride Other 2 1993
1,1-Dichloroethylene Other 2 1993
Trichloroethylene Other 2 1993

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 - SDC WATER.

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 CT1470011 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
2013 Public Notice Other 6 SDWIS / CT1470011 / 7500
2012 Coliform (TCR) MCL 27 SDWIS / CT1470011 / 3100
2011 E. COLI MR 5 SDWIS / CT1470011 / 3014
2010 Coliform (TCR) MR 5 SDWIS / CT1470011 / 3100
1998 Lead and Copper Rule MR 6 SDWIS / CT1470011 / 5000
1993 Trichloroethylene MR 5 SDWIS / CT1470011 / 2984
1993 p-Dichlorobenzene MR 5 SDWIS / CT1470011 / 2969
1993 o-Dichlorobenzene MR 5 SDWIS / CT1470011 / 2968
1993 DICHLOROMETHANE MR 5 SDWIS / CT1470011 / 2964
1993 Styrene MR 5 SDWIS / CT1470011 / 2996
1993 ETHYLENE DIBROMIDE MR 5 SDWIS / CT1470011 / 2946
1993 cis-1,2-Dichloroethylene MR 5 SDWIS / CT1470011 / 2380
1993 Benzene MR 5 SDWIS / CT1470011 / 2990
1993 CHLOROBENZENE MR 5 SDWIS / CT1470011 / 2989
1993 1,2-Dichloropropane MR 5 SDWIS / CT1470011 / 2983

How CTWC - SDC WATER Compares

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

Metric CTWC - SDC WATER Connecticut avg Federal benchmark
Total violations 246 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 27 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CTWC - SDC WATER water safe to drink? ▼
CTWC - SDC WATER (PWS ID: CT1470011) has 246 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 - SDC WATER serve? ▼
CTWC - SDC WATER serves 216 people in CLINTON, Connecticut. It is a Private-owned system using Groundwater water sources with 54 service connections.
What type of violations does CTWC - SDC WATER have? ▼
CTWC - SDC WATER has 246 total violations: 27 health-based violations (MCL exceedances or treatment failures), 121 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CTWC - SDC WATER water? ▼
No PFAS testing data is available for CTWC - SDC WATER under the EPA's UCMR5 monitoring program.
What water source does CTWC - SDC WATER use? ▼
CTWC - SDC WATER 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.

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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.

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