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PROFILE HIGH SCH

PWS ID: NH0245010 · LITTLETON, New Hampshire 03561

PROFILE HIGH SCH serves 284 people in LITTLETON, New Hampshire using Groundwater water sources. It has 94 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: PROFILE HIGH SCH

PROFILE HIGH SCH is a local-owned non-transient non-community water system that delivers drinking water to 284 residents in LITTLETON, New Hampshire (Grafton County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 94 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 94 monitoring and reporting violations are on file. The most recent violation on record dates to 1995.

The most frequently cited contaminant at this system is cis-1,2-Dichloroethylene, recorded in 4 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. PROFILE HIGH SCH's 94 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
284
Total Violations
94
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Grafton
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
94
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
cis-1,2-Dichloroethylene MR 4 1995
DICHLOROMETHANE MR 4 1995
o-Dichlorobenzene MR 4 1995
p-Dichlorobenzene MR 4 1995
Vinyl chloride MR 4 1995
1,1-Dichloroethylene MR 4 1995
trans-1,2-Dichloroethylene MR 4 1995
1,2-Dichloroethane MR 4 1995
1,1,1-Trichloroethane MR 4 1995
1,2-Dichloropropane MR 4 1995
Trichloroethylene MR 4 1995
1,1,2-Trichloroethane MR 4 1995
Tetrachloroethylene MR 4 1995
Benzene MR 4 1995
Toluene MR 4 1995
Ethylbenzene MR 4 1995
Coliform (TCR) MR 4 1995
Xylenes, Total MR 4 1995
Carbon tetrachloride MR 4 1995
1,2,4-Trichlorobenzene MR 4 1995
Styrene MR 4 1995
Nitrate MR 4 1995
CHLOROBENZENE MR 4 1995
Lead and Copper Rule MR 2 1993

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 PROFILE HIGH SCH.

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 NH0245010 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
1995 cis-1,2-Dichloroethylene MR 4 SDWIS / NH0245010 / 2380
1995 DICHLOROMETHANE MR 4 SDWIS / NH0245010 / 2964
1995 o-Dichlorobenzene MR 4 SDWIS / NH0245010 / 2968
1995 p-Dichlorobenzene MR 4 SDWIS / NH0245010 / 2969
1995 Vinyl chloride MR 4 SDWIS / NH0245010 / 2976
1995 1,1-Dichloroethylene MR 4 SDWIS / NH0245010 / 2977
1995 trans-1,2-Dichloroethylene MR 4 SDWIS / NH0245010 / 2979
1995 1,2-Dichloroethane MR 4 SDWIS / NH0245010 / 2980
1995 1,1,1-Trichloroethane MR 4 SDWIS / NH0245010 / 2981
1995 1,2-Dichloropropane MR 4 SDWIS / NH0245010 / 2983
1995 Trichloroethylene MR 4 SDWIS / NH0245010 / 2984
1995 1,1,2-Trichloroethane MR 4 SDWIS / NH0245010 / 2985
1995 Tetrachloroethylene MR 4 SDWIS / NH0245010 / 2987
1995 Benzene MR 4 SDWIS / NH0245010 / 2990
1995 Toluene MR 4 SDWIS / NH0245010 / 2991

How PROFILE HIGH SCH Compares

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

Metric PROFILE HIGH SCH New Hampshire avg Federal benchmark
Total violations 94 63.6 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 284 506 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 PROFILE HIGH SCH water safe to drink? ▼
PROFILE HIGH SCH (PWS ID: NH0245010) has 94 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 284 people using Groundwater sources.
How many people does PROFILE HIGH SCH serve? ▼
PROFILE HIGH SCH serves 284 people in LITTLETON, New Hampshire. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does PROFILE HIGH SCH have? ▼
PROFILE HIGH SCH has 94 total violations: 0 health-based violations (MCL exceedances or treatment failures), 94 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in PROFILE HIGH SCH water? ▼
No PFAS testing data is available for PROFILE HIGH SCH under the EPA's UCMR5 monitoring program.
What water source does PROFILE HIGH SCH use? ▼
PROFILE HIGH SCH uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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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Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial