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Non-Transient Non-Community Water System · PWS CT0419023

East Haddam Municipal Center

Moodus, Connecticut 06469 - drinking water served from groundwater sources to 154 people, tracked in EPA SDWIS and UCMR5.

154
People served
512
EPA violations
1
Health-based
Untested
UCMR5 result

The verdict

EPA records 512 drinking-water violations at East Haddam Municipal Center - above the Connecticut per-system average.

512
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
154
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: East Haddam Municipal Center

East Haddam Municipal Center is a local-owned non-transient non-community water system that delivers drinking water to 154 residents in Moodus, Connecticut (Middlesex County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 512 total violations for this system , of which 1 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 509 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 Lead and Copper Rule, recorded in 13 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. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%).

East Haddam Municipal Center's 512 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
154
Total Violations
512
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Middlesex
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
509
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 13 2024
DICHLOROMETHANE MR 10 2018
Methoxychlor MR 10 2020
Diquat MR 10 2020
Glyphosate MR 10 2020
Simazine MR 10 2020
Hexachlorocyclopentadiene MR 10 2020
Carbofuran MR 10 2020
Aldicarb MR 10 2020
LASSO MR 10 2020
2,4-D MR 10 2020
Benzo(a)pyrene MR 10 2020
Pentachlorophenol MR 10 2020
1,2-DIBROMO-3-CHLOROPROPANE MR 10 2020
Endrin MR 10 2020
BHC-GAMMA MR 10 2020
Toxaphene MR 10 2020
Dalapon MR 10 2020
Di(2-ethylhexyl) adipate MR 10 2020
OXAMYL MR 10 2020
Aldicarb sulfoxide MR 10 2020
Heptachlor MR 10 2020
Heptachlor epoxide MR 10 2020
HEXACHLOROBENZENE MR 10 2020
Total Polychlorinated Biphenyls (PCB) MR 10 2020
ETHYLENE DIBROMIDE MR 10 2020
Chlordane MR 10 2020
Di(2-ethylhexyl) phthalate MR 10 2020
2,4,5-TP MR 10 2020
Picloram MR 10 2020

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 East Haddam Municipal Center.

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 CT0419023 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 13 SDWIS / CT0419023 / 5000
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT0419023 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT0419023 / 5200
2020 Methoxychlor MR 10 SDWIS / CT0419023 / 2015
2020 Diquat MR 10 SDWIS / CT0419023 / 2032
2020 Glyphosate MR 10 SDWIS / CT0419023 / 2034
2020 Simazine MR 10 SDWIS / CT0419023 / 2037
2020 Hexachlorocyclopentadiene MR 10 SDWIS / CT0419023 / 2042
2020 Carbofuran MR 10 SDWIS / CT0419023 / 2046
2020 Aldicarb MR 10 SDWIS / CT0419023 / 2047
2020 LASSO MR 10 SDWIS / CT0419023 / 2051
2020 2,4-D MR 10 SDWIS / CT0419023 / 2105
2020 Benzo(a)pyrene MR 10 SDWIS / CT0419023 / 2306
2020 Pentachlorophenol MR 10 SDWIS / CT0419023 / 2326
2020 1,2-DIBROMO-3-CHLOROPROPANE MR 10 SDWIS / CT0419023 / 2931

How East Haddam Municipal Center Compares

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

Metric East Haddam Municipal Center Connecticut avg Federal benchmark
Total violations 512 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 1 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 154 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 East Haddam Municipal Center water safe to drink? ▼
East Haddam Municipal Center (PWS ID: CT0419023) has 512 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 154 people using Groundwater sources.
How many people does East Haddam Municipal Center serve? ▼
East Haddam Municipal Center serves 154 people in Moodus, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does East Haddam Municipal Center have? ▼
East Haddam Municipal Center has 512 total violations: 1 health-based violations (MCL exceedances or treatment failures), 509 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in East Haddam Municipal Center water? ▼
No PFAS testing data is available for East Haddam Municipal Center under the EPA's UCMR5 monitoring program.
What water source does East Haddam Municipal Center use? ▼
East Haddam Municipal Center uses Groundwater 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.