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Non-Transient Non-Community Water System · PWS CT1378011

Classee Water System - Latimer Point

Stonington, Connecticut 06378 - drinking water served from surface water sources to 316 people, tracked in EPA SDWIS and UCMR5.

316
People served
52
EPA violations
32
Health-based
Untested
UCMR5 result

The verdict

EPA records 52 drinking-water violations at Classee Water System - Latimer Point, 62% of them health-based - below the Connecticut per-system average.

52
Total EPA violations on record
62%
Health-based (MCL / treatment failure)
316
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Classee Water System - Latimer Point

Classee Water System - Latimer Point is a private-owned non-transient non-community water system that delivers drinking water to 316 residents in Stonington, Connecticut (New London County) through 79 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 52 total violations for this system , of which 32 (62%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 28 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%).

Classee Water System - Latimer Point's 52 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
316
Total Violations
52
Health-Based Violations
32
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
79
County
New London
School/Daycare
No
MCL Violations
28
Monitoring Violations
14
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 28 2009
Revised Total Coliform Rule TT 4 2017
Revised Total Coliform Rule RPT 4 2017
Revised Total Coliform Rule MON 4 2018
Chlorine MR 4 2018
TTHM MR 2 2004
Consumer Confidence Rule Other 2 2014
Lead and Copper Rule MR 2 2024
Total Haloacetic Acids (HAA5) MR 2 2004

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 Classee Water System - Latimer Point.

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 CT1378011 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
2024 Lead and Copper Rule MR 2 SDWIS / CT1378011 / 5000
2018 Revised Total Coliform Rule MON 4 SDWIS / CT1378011 / 8000
2018 Chlorine MR 4 SDWIS / CT1378011 / 0999
2017 Revised Total Coliform Rule TT 4 SDWIS / CT1378011 / 8000
2017 Revised Total Coliform Rule RPT 4 SDWIS / CT1378011 / 8000
2014 Consumer Confidence Rule Other 2 SDWIS / CT1378011 / 7000
2009 Total Haloacetic Acids (HAA5) MCL 28 SDWIS / CT1378011 / 2456
2004 TTHM MR 2 SDWIS / CT1378011 / 2950
2004 Total Haloacetic Acids (HAA5) MR 2 SDWIS / CT1378011 / 2456

How Classee Water System - Latimer Point Compares

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

Metric Classee Water System - Latimer Point Connecticut avg Federal benchmark
Total violations 52 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 32 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 316 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 Classee Water System - Latimer Point water safe to drink? ▼
Classee Water System - Latimer Point (PWS ID: CT1378011) has 52 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 316 people using Surface Water sources.
How many people does Classee Water System - Latimer Point serve? ▼
Classee Water System - Latimer Point serves 316 people in Stonington, Connecticut. It is a Private-owned system using Surface Water water sources with 79 service connections.
What type of violations does Classee Water System - Latimer Point have? ▼
Classee Water System - Latimer Point has 52 total violations: 32 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Classee Water System - Latimer Point water? ▼
No PFAS testing data is available for Classee Water System - Latimer Point under the EPA's UCMR5 monitoring program.
What water source does Classee Water System - Latimer Point use? ▼
Classee Water System - Latimer Point uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.