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Community Water System · PWS MA2290014

Wilkinsonville Water District

Operator location Sutton, Massachusetts - upper-third violation load (> 74 violations) with 145 EPA violations; groundwater source; 2,773 served (PWS-level, not municipal population).

2,773
People served (this PWS)
145
EPA violations (this PWS)
17
Health-based (this PWS)
Untested
UCMR5 (this PWS)
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Wilkinsonville Water District standing, high SDWIS violation third

145 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 12% is middle-third health share (≤ 23%). Population rank #11,186 of 29,740 among systems serving 500+.

The verdict

Wilkinsonville Water District sits in the upper third of the sitemap cohort by violation count (145), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 2,773 (mid served population (≤ 3,309)). Health-based share is 12% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#11,186 of 29,740
Population · /systems
#280 of 418
Population · MA
145
Total EPA violations on record
12%
Health-based (MCL / treatment failure)

Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.

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

Violation Count vs. the National Corpus

Wilkinsonville Water District has 145 recorded EPA violations, 80% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 19% carry more. 12% of this system's own violations are health-based (17 of 145), and it ranks #11,186 of 29,740 by population served among that same cohort.

EPA violations vs. the national water-system corpus

Public water systems serving 500+ people (EPA SDWIS)

145 Higher than most more violations than 80% of 29,740 water systems

the national water-system corpus, bucketed by value

Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source EPA SDWIS · 2026-05-15

SDWIS compliance record for Wilkinsonville Water District

145 violations on record for MA2290014; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS · MassDEP, Drinking Water Program

Nationwide peers

145 violations · 2,773 served: nearest cross-state SDWIS matches.

Cross-state systems with comparable violation load

Nearest cross-state community systems (500+ served) by total SDWIS violations on record.

4 peers

Cross-state systems near this population served

Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).

4 peers

What to do with Wilkinsonville Water District

Use this system's EPA-reported record as a starting filter, not a final verdict.

EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater