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Community Water System · PWS MA2323002

Madden Estates

West Brookfield, Massachusetts 01585 - drinking water served from groundwater sources to 50 people, tracked in EPA SDWIS and UCMR5.

50
People served
444
EPA violations
56
Health-based
Untested
UCMR5 result

The verdict

EPA records 444 drinking-water violations at Madden Estates, 13% of them health-based - above the Massachusetts per-system average.

444
Total EPA violations on record
13%
Health-based (MCL / treatment failure)
50
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Madden Estates

Madden Estates is a private-owned community water system that delivers drinking water to 50 residents in West Brookfield, Massachusetts (Worcester County) through 22 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 444 total violations for this system , of which 56 (13%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 362 monitoring and reporting violations are on file. The most recent violation on record dates to 2020.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 43 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 Massachusetts, EPA tracks 1,599 public water systems serving 10,332,845 people, with 73,886 cumulative violations and 7,389 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 46.2 violations. Statewide, 148 of 263 UCMR5-tested systems have reported PFAS detections (56.3%).

Madden Estates's 444 violations sit above the Massachusetts 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
50
Total Violations
444
Health-Based Violations
56
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
22
County
Worcester
School/Daycare
No
MCL Violations
24
Monitoring Violations
362
Treatment Tech Violations
32

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 43 2010
Lead and Copper Rule TT 32 2020
Lead and Copper Rule MR 27 2020
Coliform (TCR) MCL 24 2013
Ethylbenzene MR 6 2007
Styrene MR 6 2007
Toluene MR 6 2007
1,2,4-Trichlorobenzene MR 6 2007
Consumer Confidence Rule Other 6 2016
Nitrate MR 6 2007
Benzene MR 6 2007
Carbon tetrachloride MR 6 2007
1,1-Dichloroethylene MR 6 2007
Vinyl chloride MR 6 2007
CHLOROBENZENE MR 6 2007
o-Dichlorobenzene MR 6 2007
trans-1,2-Dichloroethylene MR 6 2007
cis-1,2-Dichloroethylene MR 6 2007
DICHLOROMETHANE MR 6 2007
1,1,2-Trichloroethane MR 6 2007
1,2-Dichloroethane MR 6 2007
Trichloroethylene MR 6 2007
1,1,1-Trichloroethane MR 6 2007
1,2-Dichloropropane MR 6 2007
Tetrachloroethylene MR 6 2007
Xylenes, Total MR 6 2007
p-Dichlorobenzene MR 6 2007
Barium MR 5 2006
Chromium MR 5 2006
Mercury MR 5 2006

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 Madden Estates.

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 MA2323002 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Massachusetts Drinking Water Authority

MassDEP, Drinking Water Program is the primacy agency that licenses and inspects Madden Estates under EPA-delegated authority.

Open MA regulator portal

Source: MassDEP, Drinking Water Program

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
2020 Lead and Copper Rule TT 32 SDWIS / MA2323002 / 5000
2020 Lead and Copper Rule MR 27 SDWIS / MA2323002 / 5000
2016 Consumer Confidence Rule Other 6 SDWIS / MA2323002 / 7000
2013 Coliform (TCR) MCL 24 SDWIS / MA2323002 / 3100
2010 Coliform (TCR) MR 43 SDWIS / MA2323002 / 3100
2007 Ethylbenzene MR 6 SDWIS / MA2323002 / 2992
2007 Styrene MR 6 SDWIS / MA2323002 / 2996
2007 Toluene MR 6 SDWIS / MA2323002 / 2991
2007 1,2,4-Trichlorobenzene MR 6 SDWIS / MA2323002 / 2378
2007 Nitrate MR 6 SDWIS / MA2323002 / 1040
2007 Benzene MR 6 SDWIS / MA2323002 / 2990
2007 Carbon tetrachloride MR 6 SDWIS / MA2323002 / 2982
2007 1,1-Dichloroethylene MR 6 SDWIS / MA2323002 / 2977
2007 Vinyl chloride MR 6 SDWIS / MA2323002 / 2976
2007 CHLOROBENZENE MR 6 SDWIS / MA2323002 / 2989

How Madden Estates Compares

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

Metric Madden Estates Massachusetts avg Federal benchmark
Total violations 444 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 56 4.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 56.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 50 6,462 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,599 regulated public water systems in Massachusetts.

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 Madden Estates water safe to drink? ▼
Madden Estates (PWS ID: MA2323002) has 444 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 50 people using Groundwater sources.
How many people does Madden Estates serve? ▼
Madden Estates serves 50 people in West Brookfield, Massachusetts. It is a Private-owned system using Groundwater water sources with 22 service connections.
What type of violations does Madden Estates have? ▼
Madden Estates has 444 total violations: 56 health-based violations (MCL exceedances or treatment failures), 362 monitoring/reporting violations, and 32 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Madden Estates water? ▼
No PFAS testing data is available for Madden Estates under the EPA's UCMR5 monitoring program.
What water source does Madden Estates use? ▼
Madden Estates 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.