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Hinsdale, NH Tap Water Quality 2026

Water quality report for Hinsdale, NH — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Hinsdale's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Hinsdale Water Dept/downtown PWSID: NH1151020 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead has not been reported for this system and no violations are open. PFAS has never been sampled at this system.

B

Hinsdale earns a B for water quality

Graded on violations alone, with state inspection findings. PFAS not tested. Lead not reported.

Lead: not reported
PFAS never sampled at this system
48 violations since 2015, 0 health-based
No violations currently open
Hinsdale's lead level vs. all New Hampshire community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: — 0% of the federal action level
✓ Lower lead than % of New Hampshire utilities
Population Served
3182
~464 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
48 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
119.2% of EPA action level
1,550 ppb
Action level: 1,300 ppb
No lead result has been reported for this system in the current window. That is a gap in state reporting, not a finding of safety. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Endrin MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2018 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2018 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2018 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2018 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2018 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2018 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2018 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2018 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2018 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2018 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2018 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2018 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2018 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2018 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2018 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2018 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2018 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2018 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
LASSO MONITORING AND REPORTING — — 2018 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2018 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2018 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2018 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2018 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2018 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2018 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2018 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2018 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2018 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

48 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Hinsdale Water Dept/Downtown
PWSID NH1151020
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 3,182
Service connections 464
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Hinsdale tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Hinsdale water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Hinsdale? ▼
Hinsdale Water Dept/Downtown (PWSID NH1151020), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-02-12. No significant deficiencies were recorded.

What Should Hinsdale Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in New Hampshire

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