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655 MAIN STREET - PLYMOUTH

PWS ID: CT1110284 · PLYMOUTH, Connecticut 06782

655 MAIN STREET - PLYMOUTH serves 37 people in PLYMOUTH, Connecticut using Groundwater water sources. It has 93 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: 655 MAIN STREET - PLYMOUTH

655 MAIN STREET - PLYMOUTH is a private-owned transient non-community water system that delivers drinking water to 37 residents in PLYMOUTH, Connecticut (Litchfield County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 93 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 84 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 56 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. 655 MAIN STREET - PLYMOUTH's 93 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
37
Total Violations
93
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
3
County
Litchfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
84
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 56 2015
Nitrite MR 14 2014
Nitrate MR 14 2014
Public Notice Other 6 2015

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 655 MAIN STREET - PLYMOUTH.

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 CT1110284 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 Coliform (TCR) MR 56 SDWIS / CT1110284 / 3100
2015 Public Notice Other 6 SDWIS / CT1110284 / 7500
2014 Nitrite MR 14 SDWIS / CT1110284 / 1041
2014 Nitrate MR 14 SDWIS / CT1110284 / 1040

How 655 MAIN STREET - PLYMOUTH Compares

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

Metric 655 MAIN STREET - PLYMOUTH Connecticut avg Federal benchmark
Total violations 93 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 37 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 655 MAIN STREET - PLYMOUTH water safe to drink?
655 MAIN STREET - PLYMOUTH (PWS ID: CT1110284) has 93 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 37 people using Groundwater sources.
How many people does 655 MAIN STREET - PLYMOUTH serve?
655 MAIN STREET - PLYMOUTH serves 37 people in PLYMOUTH, Connecticut. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does 655 MAIN STREET - PLYMOUTH have?
655 MAIN STREET - PLYMOUTH has 93 total violations: 0 health-based violations (MCL exceedances or treatment failures), 84 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 655 MAIN STREET - PLYMOUTH water?
No PFAS testing data is available for 655 MAIN STREET - PLYMOUTH under the EPA's UCMR5 monitoring program.
What water source does 655 MAIN STREET - PLYMOUTH use?
655 MAIN STREET - PLYMOUTH uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

Related

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