PlainWater
States → Connecticut

Community Water System · PWS CT0760021

Ctwc - Green Springs System

Clinton, Connecticut 06413 - drinking water served from groundwater sources to 104 people, tracked in EPA SDWIS and UCMR5.

104
People served
37
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 37 drinking-water violations at Ctwc - Green Springs System, 32% of them health-based - below the Connecticut per-system average.

37
Total EPA violations on record
32%
Health-based (MCL / treatment failure)
104
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ctwc - Green Springs System

Ctwc - Green Springs System is a private-owned community water system that delivers drinking water to 104 residents in Clinton, Connecticut (New Haven County) through 27 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 37 total violations for this system , of which 12 (32%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 15 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 8 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 - Green Springs System's 37 violations sit below 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
104
Total Violations
37
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
27
County
New Haven
School/Daycare
No
MCL Violations
8
Monitoring Violations
15
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 8 1993
Consumer Confidence Rule Other 5 2013
Tetrachloroethylene MR 5 1996
Lead and Copper Rule TT 4 2012
Lead and Copper Rule MR 3 2010
Public Notice Other 2 2015
ManMade Beta Particle and Photon Emitter MR 2 2008
38-STRONTIUM-90 MR 1 2008
Gross Beta Particle Activity MR 1 2008
Combined Radium (-226 and -228) MR 1 2008
Tritium MR 1 2008
Gross Alpha, Excl. Radon and U MR 1 2008

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 - Green Springs System.

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 CT0760021 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
2015 Public Notice Other 2 SDWIS / CT0760021 / 7500
2013 Consumer Confidence Rule Other 5 SDWIS / CT0760021 / 7000
2012 Lead and Copper Rule TT 4 SDWIS / CT0760021 / 5000
2010 Lead and Copper Rule MR 3 SDWIS / CT0760021 / 5000
2008 ManMade Beta Particle and Photon Emitter MR 2 SDWIS / CT0760021 / 4101
2008 38-STRONTIUM-90 MR 1 SDWIS / CT0760021 / 4174
2008 Gross Beta Particle Activity MR 1 SDWIS / CT0760021 / 4100
2008 Combined Radium (-226 and -228) MR 1 SDWIS / CT0760021 / 4010
2008 Tritium MR 1 SDWIS / CT0760021 / 4102
2008 Gross Alpha, Excl. Radon and U MR 1 SDWIS / CT0760021 / 4000
1996 Tetrachloroethylene MR 5 SDWIS / CT0760021 / 2987
1993 Coliform (TCR) MCL 8 SDWIS / CT0760021 / 3100

How Ctwc - Green Springs System Compares

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

Metric Ctwc - Green Springs System Connecticut avg Federal benchmark
Total violations 37 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 104 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 - Green Springs System water safe to drink? ▼
Ctwc - Green Springs System (PWS ID: CT0760021) has 37 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 104 people using Groundwater sources.
How many people does Ctwc - Green Springs System serve? ▼
Ctwc - Green Springs System serves 104 people in Clinton, Connecticut. It is a Private-owned system using Groundwater water sources with 27 service connections.
What type of violations does Ctwc - Green Springs System have? ▼
Ctwc - Green Springs System has 37 total violations: 12 health-based violations (MCL exceedances or treatment failures), 15 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ctwc - Green Springs System water? ▼
No PFAS testing data is available for Ctwc - Green Springs System under the EPA's UCMR5 monitoring program.
What water source does Ctwc - Green Springs System use? ▼
Ctwc - Green Springs System 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.