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Non-Transient Non-Community Water System · PWS CT1170332

Joel Barlow Regional High School

Easton, Connecticut 06612 - drinking water served from groundwater sources to 890 people, tracked in EPA SDWIS and UCMR5.

890
People served
139
EPA violations
20
Health-based
Untested
UCMR5 result

The verdict

EPA records 139 drinking-water violations at Joel Barlow Regional High School, 14% of them health-based - above the Connecticut per-system average.

139
Total EPA violations on record
14%
Health-based (MCL / treatment failure)
890
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Joel Barlow Regional High School

Joel Barlow Regional High School is a local-owned non-transient non-community water system that delivers drinking water to 890 residents in Easton, Connecticut (Fairfield County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 139 total violations for this system , of which 20 (14%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 117 monitoring and reporting violations are on file. The most recent violation on record dates to 2008.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 20 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%).

Joel Barlow Regional High School's 139 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
890
Total Violations
139
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Fairfield
School/Daycare
Yes
MCL Violations
20
Monitoring Violations
117
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 20 2008
Coliform (TCR) MR 11 2008
cis-1,2-Dichloroethylene MR 5 2003
DICHLOROMETHANE MR 5 2003
p-Dichlorobenzene MR 5 2003
trans-1,2-Dichloroethylene MR 5 2003
1,2-Dichloroethane MR 5 2003
Carbon tetrachloride MR 5 2003
1,2-Dichloropropane MR 5 2003
Trichloroethylene MR 5 2003
1,1,2-Trichloroethane MR 5 2003
Toluene MR 5 2003
Benzene MR 5 2003
Ethylbenzene MR 5 2003
Styrene MR 5 2003
o-Dichlorobenzene MR 5 2003
1,1-Dichloroethylene MR 5 2003
1,1,1-Trichloroethane MR 5 2003
Tetrachloroethylene MR 5 2003
Vinyl chloride MR 5 2003
1,2,4-Trichlorobenzene MR 5 2003
CHLOROBENZENE MR 5 2003
Nitrite MR 3 2004
Nitrate MR 3 2004
Public Notice Other 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 Joel Barlow Regional High 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 CT1170332 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
2008 Coliform (TCR) MCL 20 SDWIS / CT1170332 / 3100
2008 Coliform (TCR) MR 11 SDWIS / CT1170332 / 3100
2004 Nitrite MR 3 SDWIS / CT1170332 / 1041
2004 Nitrate MR 3 SDWIS / CT1170332 / 1040
2004 Public Notice Other 2 SDWIS / CT1170332 / 7500
2003 cis-1,2-Dichloroethylene MR 5 SDWIS / CT1170332 / 2380
2003 DICHLOROMETHANE MR 5 SDWIS / CT1170332 / 2964
2003 p-Dichlorobenzene MR 5 SDWIS / CT1170332 / 2969
2003 trans-1,2-Dichloroethylene MR 5 SDWIS / CT1170332 / 2979
2003 1,2-Dichloroethane MR 5 SDWIS / CT1170332 / 2980
2003 Carbon tetrachloride MR 5 SDWIS / CT1170332 / 2982
2003 1,2-Dichloropropane MR 5 SDWIS / CT1170332 / 2983
2003 Trichloroethylene MR 5 SDWIS / CT1170332 / 2984
2003 1,1,2-Trichloroethane MR 5 SDWIS / CT1170332 / 2985
2003 Toluene MR 5 SDWIS / CT1170332 / 2991

How Joel Barlow Regional High School Compares

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

Metric Joel Barlow Regional High School Connecticut avg Federal benchmark
Total violations 139 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 20 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 890 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 Joel Barlow Regional High School water safe to drink?
Joel Barlow Regional High School (PWS ID: CT1170332) has 139 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 890 people using Groundwater sources.
How many people does Joel Barlow Regional High School serve?
Joel Barlow Regional High School serves 890 people in Easton, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Joel Barlow Regional High School have?
Joel Barlow Regional High School has 139 total violations: 20 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Joel Barlow Regional High School water?
No PFAS testing data is available for Joel Barlow Regional High School under the EPA's UCMR5 monitoring program.
What water source does Joel Barlow Regional High School use?
Joel Barlow Regional High 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.
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.