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Community Water System · PWS MA2290014

Wilkinsonville Water District

Sutton, Massachusetts 01590 - drinking water served from groundwater sources to 2,773 people, tracked in EPA SDWIS and UCMR5.

2,773
People served
145
EPA violations
17
Health-based
Untested
UCMR5 result

The verdict

EPA records 145 drinking-water violations at Wilkinsonville Water District, 12% of them health-based - above the Massachusetts per-system average.

145
Total EPA violations on record
12%
Health-based (MCL / treatment failure)
2,773
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wilkinsonville Water District

Wilkinsonville Water District is a local-owned community water system that delivers drinking water to 2,773 residents in Sutton, Massachusetts (Worcester County) through 1,034 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 145 total violations for this system , of which 17 (12%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 115 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 17 violations (MCL, health-based). 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%).

Wilkinsonville Water District's 145 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
2,773
Total Violations
145
Health-Based Violations
17
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,034
County
Worcester
School/Daycare
No
MCL Violations
17
Monitoring Violations
115
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 17 2013
Coliform (TCR) MR 17 2013
Lead and Copper Rule MR 7 2023
Benzene MR 4 2009
Carbon tetrachloride MR 4 2009
1,2-Dichloroethane MR 4 2009
Trichloroethylene MR 4 2009
Vinyl chloride MR 4 2009
cis-1,2-Dichloroethylene MR 4 2009
Ethylbenzene MR 4 2009
Styrene MR 4 2009
Toluene MR 4 2009
p-Dichlorobenzene MR 4 2009
1,1,2-Trichloroethane MR 4 2009
o-Dichlorobenzene MR 4 2009
Tetrachloroethylene MR 4 2009
Xylenes, Total MR 4 2009
DICHLOROMETHANE MR 4 2009
1,1-Dichloroethylene MR 4 2009
trans-1,2-Dichloroethylene MR 4 2009
1,2,4-Trichlorobenzene MR 4 2009
CHLOROBENZENE MR 4 2009
1,2-Dichloropropane MR 4 2009
1,1,1-Trichloroethane MR 4 2009
Nitrite MR 2 2003
Radium-226 MR 2 2009
Radium-228 MR 2 2009
Chlorine MR 1 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 Wilkinsonville Water District.

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 MA2290014 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 Wilkinsonville Water District 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
2023 Lead and Copper Rule MR 7 SDWIS / MA2290014 / 5000
2013 Coliform (TCR) MCL 17 SDWIS / MA2290014 / 3100
2013 Coliform (TCR) MR 17 SDWIS / MA2290014 / 3100
2009 Benzene MR 4 SDWIS / MA2290014 / 2990
2009 Carbon tetrachloride MR 4 SDWIS / MA2290014 / 2982
2009 1,2-Dichloroethane MR 4 SDWIS / MA2290014 / 2980
2009 Trichloroethylene MR 4 SDWIS / MA2290014 / 2984
2009 Vinyl chloride MR 4 SDWIS / MA2290014 / 2976
2009 cis-1,2-Dichloroethylene MR 4 SDWIS / MA2290014 / 2380
2009 Ethylbenzene MR 4 SDWIS / MA2290014 / 2992
2009 Styrene MR 4 SDWIS / MA2290014 / 2996
2009 Toluene MR 4 SDWIS / MA2290014 / 2991
2009 p-Dichlorobenzene MR 4 SDWIS / MA2290014 / 2969
2009 1,1,2-Trichloroethane MR 4 SDWIS / MA2290014 / 2985
2009 o-Dichlorobenzene MR 4 SDWIS / MA2290014 / 2968

How Wilkinsonville Water District Compares

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

Metric Wilkinsonville Water District Massachusetts avg Federal benchmark
Total violations 145 46.2 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 2,773 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 Wilkinsonville Water District water safe to drink? ▼
Wilkinsonville Water District (PWS ID: MA2290014) has 145 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,773 people using Groundwater sources.
How many people does Wilkinsonville Water District serve? ▼
Wilkinsonville Water District serves 2,773 people in Sutton, Massachusetts. It is a Local-owned system using Groundwater water sources with 1,034 service connections.
What type of violations does Wilkinsonville Water District have? ▼
Wilkinsonville Water District has 145 total violations: 17 health-based violations (MCL exceedances or treatment failures), 115 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wilkinsonville Water District water? ▼
No PFAS testing data is available for Wilkinsonville Water District under the EPA's UCMR5 monitoring program.
What water source does Wilkinsonville Water District use? ▼
Wilkinsonville Water District 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.