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Community Water System · PWS CT0960141

Aquarion-Forest Hills

Shelton, Connecticut 06484 - drinking water served from groundwater sources to 265 people, tracked in EPA SDWIS and UCMR5.

265
People served
205
EPA violations
8
Health-based
Untested
UCMR5 result

The verdict

EPA records 205 drinking-water violations at Aquarion-Forest Hills, 4% of them health-based - above the Connecticut per-system average.

205
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
265
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Aquarion-Forest Hills

Aquarion-Forest Hills is a private-owned community water system that delivers drinking water to 265 residents in Shelton, Connecticut (Litchfield County) through 102 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 205 total violations for this system , of which 8 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 189 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Fluoride, recorded in 12 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%).

Aquarion-Forest Hills's 205 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
265
Total Violations
205
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
102
County
Litchfield
School/Daycare
No
MCL Violations
8
Monitoring Violations
189
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Fluoride MR 12 2011
Chromium MR 12 2011
Cadmium MR 12 2011
Barium MR 12 2011
Thallium, Total MR 12 2011
Beryllium, Total MR 12 2011
Arsenic MR 12 2011
Mercury MR 12 2011
Antimony, Total MR 12 2011
CYANIDE MR 12 2011
Nickel MR 12 2011
Selenium MR 12 2011
Lead and Copper Rule MR 11 2021
Coliform (TCR) MR 10 1995
Combined Uranium MR 8 2006
Combined Radium (-226 and -228) MR 8 2006
Gross Alpha, Excl. Radon and U MR 8 2006
Coliform (TCR) MCL 8 2015
Consumer Confidence Rule Other 6 2018

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 Aquarion-Forest Hills.

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 CT0960141 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
2021 Lead and Copper Rule MR 11 SDWIS / CT0960141 / 5000
2018 Consumer Confidence Rule Other 6 SDWIS / CT0960141 / 7000
2015 Coliform (TCR) MCL 8 SDWIS / CT0960141 / 3100
2011 Fluoride MR 12 SDWIS / CT0960141 / 1025
2011 Chromium MR 12 SDWIS / CT0960141 / 1020
2011 Cadmium MR 12 SDWIS / CT0960141 / 1015
2011 Barium MR 12 SDWIS / CT0960141 / 1010
2011 Thallium, Total MR 12 SDWIS / CT0960141 / 1085
2011 Beryllium, Total MR 12 SDWIS / CT0960141 / 1075
2011 Arsenic MR 12 SDWIS / CT0960141 / 1005
2011 Mercury MR 12 SDWIS / CT0960141 / 1035
2011 Antimony, Total MR 12 SDWIS / CT0960141 / 1074
2011 CYANIDE MR 12 SDWIS / CT0960141 / 1024
2011 Nickel MR 12 SDWIS / CT0960141 / 1036
2011 Selenium MR 12 SDWIS / CT0960141 / 1045

How Aquarion-Forest Hills Compares

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

Metric Aquarion-Forest Hills Connecticut avg Federal benchmark
Total violations 205 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 265 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 Aquarion-Forest Hills water safe to drink? ▼
Aquarion-Forest Hills (PWS ID: CT0960141) has 205 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 265 people using Groundwater sources.
How many people does Aquarion-Forest Hills serve? ▼
Aquarion-Forest Hills serves 265 people in Shelton, Connecticut. It is a Private-owned system using Groundwater water sources with 102 service connections.
What type of violations does Aquarion-Forest Hills have? ▼
Aquarion-Forest Hills has 205 total violations: 8 health-based violations (MCL exceedances or treatment failures), 189 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Aquarion-Forest Hills water? ▼
No PFAS testing data is available for Aquarion-Forest Hills under the EPA's UCMR5 monitoring program.
What water source does Aquarion-Forest Hills use? ▼
Aquarion-Forest Hills uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.