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Community Water System · PWS MA1132000

Hinsdale Water Dept

Operator location Hinsdale, Massachusetts - upper-third violation load (> 74 violations) with 91 EPA violations; surface water source; 1,800 served (PWS-level, not municipal population).

1,800
People served (this PWS)
91
EPA violations (this PWS)
5
Health-based (this PWS)
Untested
UCMR5 (this PWS)
Follow published updates (RSS)

Hinsdale Water Dept standing, high SDWIS violation third

91 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 5% is middle-third health share (≤ 23%). Population rank #14,448 of 29,740 among systems serving 500+.

The verdict

Hinsdale Water Dept sits in the upper third of the sitemap cohort by violation count (91), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,800 (mid served population (≤ 3,309)). Health-based share is 5% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.

#14,448 of 29,740
Population · /systems
#296 of 418
Population · MA
91
Total EPA violations on record
5%
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
424
County
Berkshire
School/Daycare
No
MCL Violations
0
Monitoring Violations
47
Treatment Tech Violations
5

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule MR 6 2014
Consumer Confidence Rule Other 4 2022
Lead and Copper Rule TT 2 1996
Stage 1 Disinfectants and Disinfection Byproducts Rule TT 2 2011
Nitrate MR 2 2018
Fluoride MR 1 2005
Beryllium, Total MR 1 2005
Thallium, Total MR 1 2005
CYANIDE MR 1 2005
Arsenic MR 1 2005
Mercury MR 1 2005
Selenium MR 1 2005
Barium MR 1 2005
Cadmium MR 1 2005
Chromium MR 1 2005
Surface Water Treatment Rule TT 1 1992
Tritium MR 1 1998
38-STRONTIUM-90 MR 1 1998
Coliform (TCR) MR 1 1999
Benzene MR 1 1999
Xylenes, Total MR 1 1999
Vinyl chloride MR 1 1999
DICHLOROMETHANE MR 1 1999
Styrene MR 1 1999
o-Dichlorobenzene MR 1 1999
1,1,2-Trichloroethane MR 1 1999
1,1-Dichloroethylene MR 1 1999
Nickel MR 1 2005
cis-1,2-Dichloroethylene MR 1 1999
Radium-228 MR 1 1998

Violation Count vs. the National Corpus

Hinsdale Water Dept has 91 recorded EPA violations, 71% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 29% carry more. 5% of this system's own violations are health-based (5 of 91), and it ranks #14,448 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)

91 Around the middle fewer violations than 29% 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 Hinsdale Water Dept

91 violations on record for MA1132000; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.

Sources: EPA SDWIS · MassDEP, Drinking Water Program

Nationwide peers

91 violations · 1,800 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 Hinsdale Water Dept

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