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Non-Transient Non-Community Water System · PWS CT1500102

Shepaug Middle/High School

Washington, Connecticut 06794 - drinking water served from groundwater sources to 770 people, tracked in EPA SDWIS and UCMR5.

770
People served
42
EPA violations
13
Health-based
Untested
UCMR5 result

The verdict

EPA records 42 drinking-water violations at Shepaug Middle/High School, 31% of them health-based - below the Connecticut per-system average.

42
Total EPA violations on record
31%
Health-based (MCL / treatment failure)
770
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Shepaug Middle/High School

Shepaug Middle/High School is a local-owned non-transient non-community water system that delivers drinking water to 770 residents in Washington, Connecticut (Litchfield County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 42 total violations for this system , of which 13 (31%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 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 Coliform (TCR), recorded in 12 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%).

Shepaug Middle/High School's 42 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
770
Total Violations
42
Health-Based Violations
13
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Litchfield
School/Daycare
Yes
MCL Violations
12
Monitoring Violations
27
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 12 2012
TTHM MR 8 2024
Total Haloacetic Acids (HAA5) MR 8 2024
Coliform (TCR) MR 6 2007
Lead and Copper Rule MR 5 2005
LEAD AND COPPER RULE REVISIONS TT 1 2024
LEAD AND COPPER RULE REVISIONS RPT 1 2024
Lead and Copper Rule Other 1 1994

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 Shepaug Middle/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 CT1500102 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 TTHM MR 8 SDWIS / CT1500102 / 2950
2024 Total Haloacetic Acids (HAA5) MR 8 SDWIS / CT1500102 / 2456
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT1500102 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CT1500102 / 5200
2012 Coliform (TCR) MCL 12 SDWIS / CT1500102 / 3100
2007 Coliform (TCR) MR 6 SDWIS / CT1500102 / 3100
2005 Lead and Copper Rule MR 5 SDWIS / CT1500102 / 5000
1994 Lead and Copper Rule Other 1 SDWIS / CT1500102 / 5000

How Shepaug Middle/High School Compares

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

Metric Shepaug Middle/High School Connecticut avg Federal benchmark
Total violations 42 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 13 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 770 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 Shepaug Middle/High School water safe to drink? ▼
Shepaug Middle/High School (PWS ID: CT1500102) has 42 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 770 people using Groundwater sources.
How many people does Shepaug Middle/High School serve? ▼
Shepaug Middle/High School serves 770 people in Washington, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Shepaug Middle/High School have? ▼
Shepaug Middle/High School has 42 total violations: 13 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Shepaug Middle/High School water? ▼
No PFAS testing data is available for Shepaug Middle/High School under the EPA's UCMR5 monitoring program.
What water source does Shepaug Middle/High School use? ▼
Shepaug Middle/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.

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.