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Non-Transient Non-Community Water System · PWS CT0420912

East Hampton Middle School

East Hampton, Connecticut 06424 - drinking water served from groundwater sources to 487 people, tracked in EPA SDWIS and UCMR5.

487
People served
118
EPA violations
11
Health-based
Untested
UCMR5 result

The verdict

EPA records 118 drinking-water violations at East Hampton Middle School, 9% of them health-based - above the Connecticut per-system average.

118
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
487
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: East Hampton Middle School

East Hampton Middle School is a local-owned non-transient non-community water system that delivers drinking water to 487 residents in East Hampton, Connecticut (Middlesex County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 118 total violations for this system , of which 11 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 103 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 19 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 Hampton Middle School's 118 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
487
Total Violations
118
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Middlesex
School/Daycare
Yes
MCL Violations
4
Monitoring Violations
103
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 19 2024
Coliform (TCR) MR 10 2012
Lead and Copper Rule TT 6 1994
Total Polychlorinated Biphenyls (PCB) MR 6 2011
Endrin MR 6 2011
Atrazine MR 4 2011
Hexachlorocyclopentadiene MR 4 2011
LASSO MR 4 2011
Methoxychlor MR 4 2011
Toxaphene MR 4 2011
Simazine MR 4 2011
ETHYLENE DIBROMIDE MR 4 2011
Heptachlor MR 4 2011
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2011
HEXACHLOROBENZENE MR 4 2011
BHC-GAMMA MR 4 2011
Dalapon MR 4 2011
Heptachlor epoxide MR 4 2011
Coliform (TCR) MCL 4 2003
Chlordane MR 4 2011
Pentachlorophenol MR 2 2008
Picloram MR 2 2008
Nitrite MR 1 2006
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024
Nitrate MR 1 2006

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 Hampton Middle School.

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 CT0420912 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 19 SDWIS / CT0420912 / 5000
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT0420912 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT0420912 / 5200
2012 Coliform (TCR) MR 10 SDWIS / CT0420912 / 3100
2011 Total Polychlorinated Biphenyls (PCB) MR 6 SDWIS / CT0420912 / 2383
2011 Endrin MR 6 SDWIS / CT0420912 / 2005
2011 Atrazine MR 4 SDWIS / CT0420912 / 2050
2011 Hexachlorocyclopentadiene MR 4 SDWIS / CT0420912 / 2042
2011 LASSO MR 4 SDWIS / CT0420912 / 2051
2011 Methoxychlor MR 4 SDWIS / CT0420912 / 2015
2011 Toxaphene MR 4 SDWIS / CT0420912 / 2020
2011 Simazine MR 4 SDWIS / CT0420912 / 2037
2011 ETHYLENE DIBROMIDE MR 4 SDWIS / CT0420912 / 2946
2011 Heptachlor MR 4 SDWIS / CT0420912 / 2065
2011 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / CT0420912 / 2931

How East Hampton Middle School Compares

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

Metric East Hampton Middle School Connecticut avg Federal benchmark
Total violations 118 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 11 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 487 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 Hampton Middle School water safe to drink? ▼
East Hampton Middle School (PWS ID: CT0420912) has 118 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 487 people using Groundwater sources.
How many people does East Hampton Middle School serve? ▼
East Hampton Middle School serves 487 people in East Hampton, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does East Hampton Middle School have? ▼
East Hampton Middle School has 118 total violations: 11 health-based violations (MCL exceedances or treatment failures), 103 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in East Hampton Middle School water? ▼
No PFAS testing data is available for East Hampton Middle School under the EPA's UCMR5 monitoring program.
What water source does East Hampton Middle School use? ▼
East Hampton Middle School 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.