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NORTHPOINTE WATER

PWS ID: NH2342020 · THORNTON, New Hampshire 03285

NORTHPOINTE WATER serves 53 people in THORNTON, New Hampshire using Groundwater water sources. It has 452 recorded EPA violations, including 100 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: NORTHPOINTE WATER

NORTHPOINTE WATER is a private-owned community water system that delivers drinking water to 53 residents in THORNTON, New Hampshire (Grafton County) through 21 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 452 total violations for this system , of which 100 (22%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 336 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 45 violations (MCL, health-based). 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. NORTHPOINTE WATER's 452 violations sit above the New Hampshire average. Statewide, 23 of 51 UCMR5-tested systems have reported PFAS detections (45.1%). 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
53
Total Violations
452
Health-Based Violations
100
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
21
County
Grafton
School/Daycare
No
MCL Violations
82
Monitoring Violations
336
Treatment Tech Violations
18

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 45 2012
Nitrate MCL 37 2025
Coliform (TCR) MR 34 2014
Consumer Confidence Rule Other 14 2012
Lead and Copper Rule TT 14 2008
Nitrate MR 8 2002
Endrin MR 5 1996
BHC-GAMMA MR 5 1996
cis-1,2-Dichloroethylene MR 5 1996
Methoxychlor MR 5 1996
Xylenes, Total MR 5 1996
Glyphosate MR 5 1996
p-Dichlorobenzene MR 5 1996
Vinyl chloride MR 5 1996
Simazine MR 5 1996
1,1-Dichloroethylene MR 5 1996
trans-1,2-Dichloroethylene MR 5 1996
1,2-Dichloroethane MR 5 1996
Hexachlorocyclopentadiene MR 5 1996
Atrazine MR 5 1996
Trichloroethylene MR 5 1996
1,1,2-Trichloroethane MR 5 1996
Tetrachloroethylene MR 5 1996
Heptachlor epoxide MR 5 1996
2,4-D MR 5 1996
2,4,5-TP MR 5 1996
HEXACHLOROBENZENE MR 5 1996
Styrene MR 5 1996
Pentachlorophenol MR 5 1996
1,2-DIBROMO-3-CHLOROPROPANE MR 5 1996

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 NORTHPOINTE WATER.

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 NH2342020 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
2025 Nitrate MCL 37 SDWIS / NH2342020 / 1040
2014 Coliform (TCR) MR 34 SDWIS / NH2342020 / 3100
2013 Groundwater Rule TT 4 SDWIS / NH2342020 / 0700
2013 E. COLI MR 4 SDWIS / NH2342020 / 3014
2013 Public Notice Other 2 SDWIS / NH2342020 / 7500
2012 Coliform (TCR) MCL 45 SDWIS / NH2342020 / 3100
2012 Consumer Confidence Rule Other 14 SDWIS / NH2342020 / 7000
2008 Lead and Copper Rule TT 14 SDWIS / NH2342020 / 5000
2008 Lead and Copper Rule MR 4 SDWIS / NH2342020 / 5000
2002 Nitrate MR 8 SDWIS / NH2342020 / 1040
1999 Barium MR 4 SDWIS / NH2342020 / 1010
1999 Combined Radium (-226 and -228) MR 4 SDWIS / NH2342020 / 4010
1999 Cadmium MR 4 SDWIS / NH2342020 / 1015
1999 CYANIDE MR 4 SDWIS / NH2342020 / 1024
1999 Fluoride MR 4 SDWIS / NH2342020 / 1025

How NORTHPOINTE WATER Compares

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

Metric NORTHPOINTE WATER New Hampshire avg Federal benchmark
Total violations 452 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 100 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 53 506 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is NORTHPOINTE WATER water safe to drink? ▼
NORTHPOINTE WATER (PWS ID: NH2342020) has 452 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 53 people using Groundwater sources.
How many people does NORTHPOINTE WATER serve? ▼
NORTHPOINTE WATER serves 53 people in THORNTON, New Hampshire. It is a Private-owned system using Groundwater water sources with 21 service connections.
What type of violations does NORTHPOINTE WATER have? ▼
NORTHPOINTE WATER has 452 total violations: 100 health-based violations (MCL exceedances or treatment failures), 336 monitoring/reporting violations, and 18 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in NORTHPOINTE WATER water? ▼
No PFAS testing data is available for NORTHPOINTE WATER under the EPA's UCMR5 monitoring program.
What water source does NORTHPOINTE WATER use? ▼
NORTHPOINTE WATER 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.

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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.

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