WaterVerge

Is Hinsdale, NH Tap Water Safe to Drink?

Graded B- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

3K residents served 2 water systems PWSID: NH1151010
Overall Score
71.2 / 100
Violations
6 active
Last Updated
May 2026
Source
Groundwater
#45 of 119 in New Hampshire Top 67% nationally
Local Government
Limited data available
Reviewed by WaterVerge Editorial Team · Last updated May 2026
B-GRADE
Water Quality Grade
71.2/100
waterverge.com
B- 71.2/100

Hinsdale, NH — Water Quality Report

Hinsdale's drinking water received a grade of B- (71.2 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 3,400 residents using groundwater.

Lead data is not currently available for this system. This system has not yet been tested for PFAS under the EPA UCMR 5 program.

The system has 231 violations on record, including 6 health-based violations. 6 remain unresolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Hinsdale's water

Hinsdale ranks #45 out of 119 cities in New Hampshire for water quality, placing it mid-range in the state.

Hinsdale relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.

Quality Breakdown

Water quality score

See methodology →
71.2 out of 100 Grade B-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
23.2/45
D
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead and copper rule compliance.
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

Is Hinsdale, NH water safe to drink?

Concerns Identified

Hinsdale's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (71.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 3,400 residents using groundwater (wells).

6
Active Violations
10 events
Disaster History

Recent water quality updates for Hinsdale

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Hinsdale's water quality assessment. Grade: B- (71.2/100).

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4740). Flood event — may have impacted local water infrastructure.

Disaster
SEVERE STORM AND FLOODING

Federal disaster declaration (FEMA DR-4624). Flood event — may have impacted local water infrastructure.

Violation
92 drinking water violations recorded

Contaminants: 1,2,4-Trichlorobenzene, Glyphosate, p-Dichlorobenzene.

Violation
4 drinking water violations recorded

Contaminants: TTHM, Total Haloacetic Acids (HAA5).

Violation
2 drinking water violations recorded

Contaminants: Nitrate, Lead and Copper Rule.

Key contaminant findings

Based on the most recent EPA sampling data for Hinsdale's water supply.

Copper Exceeds Limit
Detected: 2.25 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Hinsdale's water system has 231 total violations on record, including 6 health-based violations. 6 remain unresolved.

MROtherMCL
Most recent violations:
Jan 2018 1,2,4-Trichlorobenzene Resolved
Jan 2018 Glyphosate Resolved
Jan 2018 p-Dichlorobenzene Resolved
Jan 2018 Di(2-ethylhexyl) adipate Resolved
Jan 2018 Vinyl chloride Resolved

Flood & environmental risk

Cheshire County has experienced 10 federally declared disasters since 1986. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Ashuelot River, Connecticut River.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4740
SEVERE STORM AND FLOODING
Flood FEMA DR-4624
HURRICANE SANDY
Hurricane FEMA DR-3360

Where does Hinsdale's water come from?

Hinsdale's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 3,400 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ashuelot River (river), Connecticut River (river).

What Hinsdale residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hinsdale's water.

Request your utility's CCR

Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.

Monitor alerts during storms

Hinsdale's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.

Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.

Contaminant Alerts

Top contaminants to know

View all ↓
Copper (90th percentile)
Inorganic
Over Limit
2.25 mg/L
EPA Action Level: 1.3 mg/L · +20% over limit
Exceeds Limit
Compliance Record

Violation summary

231
Total violations
6
Health-based
6
Active / unresolved
Jan 2018
Most recent violation
Compliance Record

Violations & advisories

231 Total
6 Active
6 Health-based
225 Resolved
Violations by category
Volatile Organic Chemicals
105
Synthetic Organic Chemicals
100
Nitrate Rule
7
Total Coliform Rule
7
Stage 2 Disinfectants and Disinfection Byproducts Rule
4
Jan 2008 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2007 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Jul 2006 Active
Consumer Confidence Rule
Other Violation 0
Active
Compliance Violation
Monitoring 0
Jan 2018 Resolved
1,2,4-Trichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Glyphosate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
p-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Di(2-ethylhexyl) adipate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Vinyl chloride
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
BHC-GAMMA
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Xylenes, Total
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
DICHLOROMETHANE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
OXAMYL
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
1,1-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Simazine
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
Di(2-ethylhexyl) phthalate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Jan 2018 Resolved
1,2-Dichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2018
Showing 20 of 231 violations
Industrial pollution

Top industrial polluters within 10 miles of Hinsdale

Industrial polluters nearby

Reported releases to surface water by facilities near Hinsdale, ranked by pounds discharged annually.

FacilityTop chemicalTo surface water (lbs/yr)Distance
KRINGLE CANDLE
Miscellaneous Manufacturing · NA
BERNARDSTON, MA01337
9.0 mi
CE BRADLEY LABORATORIES INC
Chemicals · NA
BRATTLEBORO, VT05301
7.8 mi
GARWARE FULFLEX USA INC.
Chemicals · NA
BRATTLEBORO, VT05301
7.3 mi
COMMONWEALTH DAIRY LLC
Food · LACTALIS CHEESE & DAIRY HOLDING INC
BRATTLEBORO, VT05301
5.1 mi

Source: EPA Toxic Release Inventory (TRI) 2023

Environmental Risk

Drought conditions

D1 — moderate drought

Cheshire County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.

4.5%
Months in D2+ (last 30y)

Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.

Environmental Risk

Flood & disaster history

10
Declared disasters
Sep 2023
Most recent
Flood
Most common type

Cheshire County has experienced 10 federally declared disasters since 1986. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Sep 2023
SEVERE STORMS AND FLOODING
Flood FEMA #4740
Oct 2021
SEVERE STORM AND FLOODING
Flood FEMA #4624
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3360
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3333
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3258
Oct 1999
TROPICAL STORM FLOYD
Hurricane FEMA #1305

Recommended water filters

Based on contaminants detected in Hinsdale's water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Copper (90th percentile) 2.25 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Copper level (90th percentile)

Latest reading: 1.550 mg/L (1993)

EPA action level: 1.3 mg/L

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
3,400
Water Systems
2
Water Source

Where Hinsdale's water comes from

Groundwater

Hinsdale's drinking water is drawn from underground aquifers through wells.

Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.

Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.

The system is operated by local government ownership and serves approximately 3,400 people through 2 water systems.

Local Hydrology

Water bodies near Hinsdale

Hinsdale is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ashuelot River
river
Connecticut River
river
Infrastructure

Water systems serving Hinsdale

System Name PWSID Population Source
NORTH HINSDALE WATER DEPT NH1151010 1,800 GW
HINSDALE WATER DEPT/DOWNTOWN NH1151020 1,600 GW
Regional Comparison

How Hinsdale compares

Full New Hampshire rankings →

Hinsdale's score of 71.2/100 is on par with the average of 69/100 among major New Hampshire cities. It outscores 5 of 10 nearby cities.

Hinsdale (this city)
71.2
Manchester
50.9
Nashua
88.7
Concord
51.3
Portsmouth
80.7
Keene
89.2
New Hampshire avg
69
City Profile

About Hinsdale, NH

Wikipedia →

Hinsdale is a town in Cheshire County, New Hampshire, United States. The population was 3,948 at the 2020 census. Hinsdale is home to part of Pisgah State Park in the northeast, and part of Wantastiquet Mountain State Forest in the northwest.

Economic Profile
$67,054
Median Income
$153,782
Median Home Value
$1,026/mo
Median Rent
3.8%
Unemployment
Community
50.9
Median Age
75
People / sq mi
15.4%
College Educated
86.1%
Homeownership
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Frequently asked questions

Is Hinsdale, NH tap water safe to drink?

Hinsdale's water quality earned a grade of B- (71.2/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #45 out of 119 cities tested in New Hampshire.

What contaminants are in Hinsdale's water?

231 violations are on record.

How is Hinsdale's water quality grade calculated?

The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.

Do I need a water filter in Hinsdale?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Hinsdale's water come from?

Hinsdale's water is sourced from Groundwater. The city has 2 water systems serving approximately 3,400 residents.

What health violations has Hinsdale's water system had?

Hinsdale has 6 health-based violations on record. The most recent violation was recorded in January 2018. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 6 violations remain unresolved.

Is Hinsdale's groundwater at risk of contamination?

Hinsdale uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 231 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.

How does Hinsdale's water compare to other cities?

Hinsdale ranks #45 out of 119 cities in New Hampshire (better than 62% of state cities) and #10594 out of 15744 cities nationally (33th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.