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Community Water System · PWS NH0751010

Enfield Water Dept

Enfield, New Hampshire 03748 - drinking water served from groundwater sources to 1,345 people, tracked in EPA SDWIS and UCMR5.

1,345
People served
55
EPA violations
21
Health-based
Untested
UCMR5 result

The verdict

EPA records 55 drinking-water violations at Enfield Water Dept, 38% of them health-based - below the New Hampshire per-system average.

55
Total EPA violations on record
38%
Health-based (MCL / treatment failure)
1,345
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Enfield Water Dept

Enfield Water Dept is a local-owned community water system that delivers drinking water to 1,345 residents in Enfield, New Hampshire (Grafton County) through 460 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 55 total violations for this system , of which 21 (38%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 10 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 Consumer Confidence Rule, recorded in 12 violations (Other). 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%).

Enfield Water Dept's 55 violations sit below 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
1,345
Total Violations
55
Health-Based Violations
21
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
460
County
Grafton
School/Daycare
No
MCL Violations
17
Monitoring Violations
10
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Consumer Confidence Rule Other 12 2019
Revised Total Coliform Rule RPT 8 2022
Coliform (TCR) MCL 6 1994
Revised Total Coliform Rule MCL 4 2022
E. COLI MR 4 2023
Revised Total Coliform Rule MON 4 2022
Revised Total Coliform Rule TT 4 2020
Gross Alpha, Excl. Radon and U MCL 4 2018
Combined Uranium MCL 3 2025
Gross Alpha, Excl. Radon and U MR 2 2006

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 Enfield 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 NH0751010 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 Combined Uranium MCL 3 SDWIS / NH0751010 / 4006
2023 E. COLI MR 4 SDWIS / NH0751010 / 3014
2022 Revised Total Coliform Rule RPT 8 SDWIS / NH0751010 / 8000
2022 Revised Total Coliform Rule MCL 4 SDWIS / NH0751010 / 8000
2022 Revised Total Coliform Rule MON 4 SDWIS / NH0751010 / 8000
2020 Revised Total Coliform Rule TT 4 SDWIS / NH0751010 / 8000
2019 Consumer Confidence Rule Other 12 SDWIS / NH0751010 / 7000
2018 Gross Alpha, Excl. Radon and U MCL 4 SDWIS / NH0751010 / 4000
2006 Gross Alpha, Excl. Radon and U MR 2 SDWIS / NH0751010 / 4000
1994 Coliform (TCR) MCL 6 SDWIS / NH0751010 / 3100

How Enfield Water Dept Compares

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

Metric Enfield Water Dept New Hampshire avg Federal benchmark
Total violations 55 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 21 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 1,345 506 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 Enfield Water Dept water safe to drink? ▼
Enfield Water Dept (PWS ID: NH0751010) has 55 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,345 people using Groundwater sources.
How many people does Enfield Water Dept serve? ▼
Enfield Water Dept serves 1,345 people in Enfield, New Hampshire. It is a Local-owned system using Groundwater water sources with 460 service connections.
What type of violations does Enfield Water Dept have? ▼
Enfield Water Dept has 55 total violations: 21 health-based violations (MCL exceedances or treatment failures), 10 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Enfield Water Dept water? ▼
No PFAS testing data is available for Enfield Water Dept under the EPA's UCMR5 monitoring program.
What water source does Enfield Water Dept use? ▼
Enfield 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.