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Non-Transient Non-Community Water System · PWS CT0230392

Cherry Brook School

Collinsville, Connecticut 06019 - drinking water served from groundwater sources to 615 people, tracked in EPA SDWIS and UCMR5.

615
People served
260
EPA violations
3
Health-based
Untested
UCMR5 result

The verdict

EPA records 260 drinking-water violations at Cherry Brook School, 1% of them health-based - above the Connecticut per-system average.

260
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
615
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Cherry Brook School

Cherry Brook School is a local-owned non-transient non-community water system that delivers drinking water to 615 residents in Collinsville, Connecticut (Hartford County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 260 total violations for this system , of which 3 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 246 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 Nitrate, recorded in 24 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%).

Cherry Brook School's 260 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
615
Total Violations
260
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Hartford
School/Daycare
Yes
MCL Violations
2
Monitoring Violations
246
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 24 2020
Nitrite MR 24 2020
Coliform (TCR) MR 16 2011
Public Notice Other 6 2018
Asbestos MR 5 2002
Methoxychlor MR 4 2008
Dalapon MR 4 2008
Diquat MR 4 2008
Glyphosate MR 4 2008
Simazine MR 4 2008
Hexachlorocyclopentadiene MR 4 2008
Aldicarb sulfone MR 4 2008
Carbofuran MR 4 2008
Aldicarb MR 4 2008
Atrazine MR 4 2008
LASSO MR 4 2008
Heptachlor MR 4 2008
Heptachlor epoxide MR 4 2008
HEXACHLOROBENZENE MR 4 2008
Benzo(a)pyrene MR 4 2008
Total Polychlorinated Biphenyls (PCB) MR 4 2008
Chlordane MR 4 2008
Arsenic MR 4 2011
Cadmium MR 4 2011
Nickel MR 4 2011
Antimony, Total MR 4 2011
Beryllium, Total MR 4 2011
Thallium, Total MR 4 2011
Selenium MR 4 2011
Revised Total Coliform Rule RPT 4 2016

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 Cherry Brook 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 CT0230392 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 REVISIONS RPT 1 SDWIS / CT0230392 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CT0230392 / 5200
2020 Nitrate MR 24 SDWIS / CT0230392 / 1040
2020 Nitrite MR 24 SDWIS / CT0230392 / 1041
2018 Public Notice Other 6 SDWIS / CT0230392 / 7500
2017 Revised Total Coliform Rule MON 4 SDWIS / CT0230392 / 8000
2016 Revised Total Coliform Rule RPT 4 SDWIS / CT0230392 / 8000
2011 Coliform (TCR) MR 16 SDWIS / CT0230392 / 3100
2011 Arsenic MR 4 SDWIS / CT0230392 / 1005
2011 Cadmium MR 4 SDWIS / CT0230392 / 1015
2011 Nickel MR 4 SDWIS / CT0230392 / 1036
2011 Antimony, Total MR 4 SDWIS / CT0230392 / 1074
2011 Beryllium, Total MR 4 SDWIS / CT0230392 / 1075
2011 Thallium, Total MR 4 SDWIS / CT0230392 / 1085
2011 Selenium MR 4 SDWIS / CT0230392 / 1045

How Cherry Brook School Compares

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

Metric Cherry Brook School Connecticut avg Federal benchmark
Total violations 260 88.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 3 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 615 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 Cherry Brook School water safe to drink? ▼
Cherry Brook School (PWS ID: CT0230392) has 260 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 615 people using Groundwater sources.
How many people does Cherry Brook School serve? ▼
Cherry Brook School serves 615 people in Collinsville, Connecticut. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does Cherry Brook School have? ▼
Cherry Brook School has 260 total violations: 3 health-based violations (MCL exceedances or treatment failures), 246 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Cherry Brook School water? ▼
No PFAS testing data is available for Cherry Brook School under the EPA's UCMR5 monitoring program.
What water source does Cherry Brook School use? ▼
Cherry Brook 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.