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ST MARGUERITE BOURGEOYS CHURCH

PWS ID: CT0189793 · BROOKFIELD, Connecticut 06804

ST MARGUERITE BOURGEOYS CHURCH serves 25 people in BROOKFIELD, Connecticut using Groundwater water sources. It has 70 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: ST MARGUERITE BOURGEOYS CHURCH

ST MARGUERITE BOURGEOYS CHURCH is a private-owned transient non-community water system that delivers drinking water to 25 residents in BROOKFIELD, Connecticut (Fairfield County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 70 total violations for this system , of which 14 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 48 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is E. COLI, recorded in 16 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. ST MARGUERITE BOURGEOYS CHURCH's 70 violations sit below the Connecticut average. Statewide, 40 of 63 UCMR5-tested systems have reported PFAS detections (63.5%). 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
25
Total Violations
70
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Fairfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
48
Treatment Tech Violations
14

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
E. COLI MR 16 2020
Revised Total Coliform Rule TT 14 2020
Revised Total Coliform Rule RPT 8 2017
Revised Total Coliform Rule MON 4 2022
Dinoseb MR 2 2008
Hexachlorocyclopentadiene MR 2 2008
HEXACHLOROBENZENE MR 2 2008
Lead and Copper Rule MR 2 2015
Glyphosate MR 2 2008
Di(2-ethylhexyl) adipate MR 2 2008
Simazine MR 2 2008
Endrin MR 2 2008
Diquat MR 2 2008
OXAMYL MR 2 2008
Dalapon MR 2 2008
Di(2-ethylhexyl) phthalate MR 2 2008
Benzo(a)pyrene MR 2 2008
Picloram MR 2 2008

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 ST MARGUERITE BOURGEOYS CHURCH.

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 CT0189793 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
2022 Revised Total Coliform Rule MON 4 SDWIS / CT0189793 / 8000
2020 E. COLI MR 16 SDWIS / CT0189793 / 3014
2020 Revised Total Coliform Rule TT 14 SDWIS / CT0189793 / 8000
2017 Revised Total Coliform Rule RPT 8 SDWIS / CT0189793 / 8000
2015 Lead and Copper Rule MR 2 SDWIS / CT0189793 / 5000
2008 Dinoseb MR 2 SDWIS / CT0189793 / 2041
2008 Hexachlorocyclopentadiene MR 2 SDWIS / CT0189793 / 2042
2008 HEXACHLOROBENZENE MR 2 SDWIS / CT0189793 / 2274
2008 Glyphosate MR 2 SDWIS / CT0189793 / 2034
2008 Di(2-ethylhexyl) adipate MR 2 SDWIS / CT0189793 / 2035
2008 Simazine MR 2 SDWIS / CT0189793 / 2037
2008 Endrin MR 2 SDWIS / CT0189793 / 2005
2008 Diquat MR 2 SDWIS / CT0189793 / 2032
2008 OXAMYL MR 2 SDWIS / CT0189793 / 2036
2008 Dalapon MR 2 SDWIS / CT0189793 / 2031

How ST MARGUERITE BOURGEOYS CHURCH Compares

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

Metric ST MARGUERITE BOURGEOYS CHURCH Connecticut avg Federal benchmark
Total violations 70 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 25 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is ST MARGUERITE BOURGEOYS CHURCH water safe to drink? ▼
ST MARGUERITE BOURGEOYS CHURCH (PWS ID: CT0189793) has 70 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does ST MARGUERITE BOURGEOYS CHURCH serve? ▼
ST MARGUERITE BOURGEOYS CHURCH serves 25 people in BROOKFIELD, Connecticut. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does ST MARGUERITE BOURGEOYS CHURCH have? ▼
ST MARGUERITE BOURGEOYS CHURCH has 70 total violations: 14 health-based violations (MCL exceedances or treatment failures), 48 monitoring/reporting violations, and 14 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in ST MARGUERITE BOURGEOYS CHURCH water? ▼
No PFAS testing data is available for ST MARGUERITE BOURGEOYS CHURCH under the EPA's UCMR5 monitoring program.
What water source does ST MARGUERITE BOURGEOYS CHURCH use? ▼
ST MARGUERITE BOURGEOYS CHURCH uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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