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27 MAPLE DRIVE

PWS ID: CT0859071 · MONROE, Connecticut 06468

27 MAPLE DRIVE serves 38 people in MONROE, Connecticut using Groundwater water sources. It has 5,163 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: 27 MAPLE DRIVE

27 MAPLE DRIVE is a private-owned community water system that delivers drinking water to 38 residents in MONROE, Connecticut (Fairfield County) through 16 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 5,163 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 5,106 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 232 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. 27 MAPLE DRIVE's 5,163 violations sit above 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
38
Total Violations
5,163
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
16
County
Fairfield
School/Daycare
No
MCL Violations
0
Monitoring Violations
5,106
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 232 2016
Endrin MR 88 2018
BHC-GAMMA MR 88 2018
Toxaphene MR 88 2018
Dalapon MR 88 2018
Diquat MR 88 2018
Glyphosate MR 88 2018
Di(2-ethylhexyl) adipate MR 88 2018
Di(2-ethylhexyl) phthalate MR 88 2018
Picloram MR 88 2018
Hexachlorocyclopentadiene MR 88 2018
Aldicarb sulfone MR 88 2018
Carbofuran MR 88 2018
Atrazine MR 88 2018
LASSO MR 88 2018
Heptachlor MR 88 2018
Heptachlor epoxide MR 88 2018
2,4,5-TP MR 88 2018
HEXACHLOROBENZENE MR 88 2018
Benzo(a)pyrene MR 88 2018
ETHYLENE DIBROMIDE MR 88 2018
OXAMYL MR 88 2018
Simazine MR 88 2018
Dinoseb MR 88 2018
Aldicarb sulfoxide MR 88 2018
Aldicarb MR 88 2018
1,2-DIBROMO-3-CHLOROPROPANE MR 88 2018
Chlordane MR 88 2018
Methoxychlor MR 88 2018
Pentachlorophenol MR 88 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 27 MAPLE DRIVE.

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 CT0859071 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
2023 Lead and Copper Rule MR 59 SDWIS / CT0859071 / 5000
2023 Public Notice Other 32 SDWIS / CT0859071 / 7500
2023 Consumer Confidence Rule Other 21 SDWIS / CT0859071 / 7000
2022 Revised Total Coliform Rule MON 23 SDWIS / CT0859071 / 8000
2019 Revised Total Coliform Rule RPT 2 SDWIS / CT0859071 / 8000
2018 Endrin MR 88 SDWIS / CT0859071 / 2005
2018 BHC-GAMMA MR 88 SDWIS / CT0859071 / 2010
2018 Toxaphene MR 88 SDWIS / CT0859071 / 2020
2018 Dalapon MR 88 SDWIS / CT0859071 / 2031
2018 Diquat MR 88 SDWIS / CT0859071 / 2032
2018 Glyphosate MR 88 SDWIS / CT0859071 / 2034
2018 Di(2-ethylhexyl) adipate MR 88 SDWIS / CT0859071 / 2035
2018 Di(2-ethylhexyl) phthalate MR 88 SDWIS / CT0859071 / 2039
2018 Picloram MR 88 SDWIS / CT0859071 / 2040
2018 Hexachlorocyclopentadiene MR 88 SDWIS / CT0859071 / 2042

How 27 MAPLE DRIVE Compares

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

Metric 27 MAPLE DRIVE Connecticut avg Federal benchmark
Total violations 5,163 88.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 38 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 27 MAPLE DRIVE water safe to drink? ▼
27 MAPLE DRIVE (PWS ID: CT0859071) has 5163 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 38 people using Groundwater sources.
How many people does 27 MAPLE DRIVE serve? ▼
27 MAPLE DRIVE serves 38 people in MONROE, Connecticut. It is a Private-owned system using Groundwater water sources with 16 service connections.
What type of violations does 27 MAPLE DRIVE have? ▼
27 MAPLE DRIVE has 5,163 total violations: 0 health-based violations (MCL exceedances or treatment failures), 5,106 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 27 MAPLE DRIVE water? ▼
No PFAS testing data is available for 27 MAPLE DRIVE under the EPA's UCMR5 monitoring program.
What water source does 27 MAPLE DRIVE use? ▼
27 MAPLE DRIVE 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.

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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.

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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial