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Community Water System · PWS NH1151010

North Hinsdale Water Dept

Hinsdale, New Hampshire 03451 - drinking water served from groundwater sources to 1,800 people, tracked in EPA SDWIS and UCMR5.

1,800
People served
405
EPA violations
6
Health-based
Untested
UCMR5 result

The verdict

EPA records 405 drinking-water violations at North Hinsdale Water Dept, 1% of them health-based - above the New Hampshire per-system average.

405
Total EPA violations on record
1%
Health-based (MCL / treatment failure)
1,800
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Hinsdale Water Dept

North Hinsdale Water Dept is a local-owned community water system that delivers drinking water to 1,800 residents in Hinsdale, New Hampshire (Cheshire County) through 520 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 405 total violations for this system , of which 6 (1%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 392 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Nitrate, recorded in 10 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across New Hampshire, EPA tracks 2,453 public water systems serving 1,242,123 people, with 155,970 cumulative violations and 29,649 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 63.6 violations. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%).

North Hinsdale Water Dept's 405 violations sit above the New Hampshire 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
1,800
Total Violations
405
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
520
County
Cheshire
School/Daycare
No
MCL Violations
6
Monitoring Violations
392
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 10 2008
Endrin MR 8 2018
BHC-GAMMA MR 8 2018
cis-1,2-Dichloroethylene MR 8 2018
Toxaphene MR 8 2018
Di(2-ethylhexyl) adipate MR 8 2018
OXAMYL MR 8 2018
Di(2-ethylhexyl) phthalate MR 8 2018
trans-1,2-Dichloroethylene MR 8 2018
Dinoseb MR 8 2018
1,1,1-Trichloroethane MR 8 2018
Hexachlorocyclopentadiene MR 8 2018
Carbon tetrachloride MR 8 2018
Carbofuran MR 8 2018
1,2-Dichloropropane MR 8 2018
Atrazine MR 8 2018
LASSO MR 8 2018
Heptachlor MR 8 2018
Tetrachloroethylene MR 8 2018
Heptachlor epoxide MR 8 2018
2,4-D MR 8 2018
Benzene MR 8 2018
2,4,5-TP MR 8 2018
Toluene MR 8 2018
Ethylbenzene MR 8 2018
Benzo(a)pyrene MR 8 2018
Styrene MR 8 2018
ETHYLENE DIBROMIDE MR 8 2018
1,2,4-Trichlorobenzene MR 8 2018
Xylenes, Total MR 8 2018

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 North Hinsdale Water Dept.

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 NH1151010 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

New Hampshire Drinking Water Authority

New Hampshire's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find NH regulator via EPA SDWIS

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
2018 Endrin MR 8 SDWIS / NH1151010 / 2005
2018 BHC-GAMMA MR 8 SDWIS / NH1151010 / 2010
2018 cis-1,2-Dichloroethylene MR 8 SDWIS / NH1151010 / 2380
2018 Toxaphene MR 8 SDWIS / NH1151010 / 2020
2018 Di(2-ethylhexyl) adipate MR 8 SDWIS / NH1151010 / 2035
2018 OXAMYL MR 8 SDWIS / NH1151010 / 2036
2018 Di(2-ethylhexyl) phthalate MR 8 SDWIS / NH1151010 / 2039
2018 trans-1,2-Dichloroethylene MR 8 SDWIS / NH1151010 / 2979
2018 Dinoseb MR 8 SDWIS / NH1151010 / 2041
2018 1,1,1-Trichloroethane MR 8 SDWIS / NH1151010 / 2981
2018 Hexachlorocyclopentadiene MR 8 SDWIS / NH1151010 / 2042
2018 Carbon tetrachloride MR 8 SDWIS / NH1151010 / 2982
2018 Carbofuran MR 8 SDWIS / NH1151010 / 2046
2018 1,2-Dichloropropane MR 8 SDWIS / NH1151010 / 2983
2018 Atrazine MR 8 SDWIS / NH1151010 / 2050

How North Hinsdale Water Dept Compares

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

Metric North Hinsdale Water Dept New Hampshire avg Federal benchmark
Total violations 405 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 6 12.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 45.1% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 1,800 506 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,453 regulated public water systems in New Hampshire.

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 North Hinsdale Water Dept water safe to drink? ▼
North Hinsdale Water Dept (PWS ID: NH1151010) has 405 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,800 people using Groundwater sources.
How many people does North Hinsdale Water Dept serve? ▼
North Hinsdale Water Dept serves 1,800 people in Hinsdale, New Hampshire. It is a Local-owned system using Groundwater water sources with 520 service connections.
What type of violations does North Hinsdale Water Dept have? ▼
North Hinsdale Water Dept has 405 total violations: 6 health-based violations (MCL exceedances or treatment failures), 392 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in North Hinsdale Water Dept water? ▼
No PFAS testing data is available for North Hinsdale Water Dept under the EPA's UCMR5 monitoring program.
What water source does North Hinsdale Water Dept use? ▼
North Hinsdale Water Dept 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.