Community Water System · PWS MA1058000
Cheshire Water Dept
Operator location Cheshire, Massachusetts - 11% of 57 violations are health-based (middle-third health share (≤ 23%)); groundwater source; 1,407 served per SDWIS.
- 1,407
- People served (this PWS)
- 57
- EPA violations (this PWS)
- 6
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Cheshire Water Dept standing, mid SDWIS violation third
11% of 57 recorded violations are health-based - middle-third health share (≤ 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 11% is middle-third health share (≤ 23%). Population rank #16,490 of 29,740 among systems serving 500+.
The verdict
Cheshire Water Dept lands in the middle third by violation volume (57), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is mid-pack at 1,407 (mid served population (≤ 3,309)). Health-based share is 11% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #16,490 of 29,740
- Population · /systems
- #314 of 418
- Population · MA
- 57
- Total EPA violations on record
- 11%
- 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
- 571
- County
- Berkshire
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 33
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 4 | 1992 |
| Coliform (TCR) | MCL | 2 | 2015 |
| Consumer Confidence Rule | Other | 2 | 2017 |
| BHC-GAMMA | MR | 1 | 1998 |
| Dalapon | MR | 1 | 1998 |
| Diquat | MR | 1 | 1998 |
| Endothall | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| Di(2-ethylhexyl) adipate | MR | 1 | 1998 |
| Simazine | MR | 1 | 1998 |
| Picloram | MR | 1 | 1998 |
| Hexachlorocyclopentadiene | MR | 1 | 1998 |
| Carbofuran | MR | 1 | 1998 |
| Aldicarb | MR | 1 | 1998 |
| Atrazine | MR | 1 | 1998 |
| LASSO | MR | 1 | 1998 |
| Heptachlor epoxide | MR | 1 | 1998 |
| 2,4,5-TP | MR | 1 | 1998 |
| Benzo(a)pyrene | MR | 1 | 1998 |
| Pentachlorophenol | MR | 1 | 1998 |
| 1,2-DIBROMO-3-CHLOROPROPANE | MR | 1 | 1998 |
| HEXACHLOROBENZENE | MR | 1 | 1998 |
| OXAMYL | MR | 1 | 1998 |
| Chlordane | MR | 1 | 1998 |
| ETHYLENE DIBROMIDE | MR | 1 | 1998 |
| Toxaphene | MR | 1 | 1998 |
| Aldicarb sulfone | MR | 1 | 1998 |
| 2,3,7,8-TCDD | MR | 1 | 1998 |
| 2,4-D | MR | 1 | 1998 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 1998 |
Violation Count vs. the National Corpus
Cheshire Water Dept has 57 recorded EPA violations, 60% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 40% carry more. 11% of this system's own violations are health-based (6 of 57), and it ranks #16,490 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)
57 Around the middle fewer violations than 40% 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
Health-based violations on Cheshire Water Dept
6 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for MA1058000.
Sources: EPA SDWIS · MassDEP, Drinking Water Program
Nationwide peers
57 violations · 1,407 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Cheshire Water Dept
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Massachusetts compares on the same EPA violation measures. Massachusetts systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.