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Community Water System · PWS NH0341030

Waterville Estate Vlg Dist/W

Campton, New Hampshire 03223 - drinking water served from groundwater sources to 1,250 people, tracked in EPA SDWIS and UCMR5.

1,250
People served
139
EPA violations
48
Health-based
Untested
UCMR5 result

The verdict

EPA records 139 drinking-water violations at Waterville Estate Vlg Dist/W, 35% of them health-based - above the New Hampshire per-system average.

139
Total EPA violations on record
35%
Health-based (MCL / treatment failure)
1,250
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Waterville Estate Vlg Dist/W

Waterville Estate Vlg Dist/W is a local-owned community water system that delivers drinking water to 1,250 residents in Campton, New Hampshire (Grafton County) through 500 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 139 total violations for this system , of which 48 (35%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 79 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 35 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%).

Waterville Estate Vlg Dist/W's 139 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
1,250
Total Violations
139
Health-Based Violations
48
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
500
County
Grafton
School/Daycare
No
MCL Violations
36
Monitoring Violations
79
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 35 2013
Coliform (TCR) MCL 32 2013
Total Haloacetic Acids (HAA5) MR 18 2023
TTHM MR 18 2023
Consumer Confidence Rule Other 12 2016
Groundwater Rule TT 12 2021
Chlorine MR 4 2009
Lead and Copper Rule MR 4 2014
Revised Total Coliform Rule MCL 4 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 Waterville Estate Vlg Dist/W.

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 NH0341030 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
2023 Total Haloacetic Acids (HAA5) MR 18 SDWIS / NH0341030 / 2456
2023 TTHM MR 18 SDWIS / NH0341030 / 2950
2021 Groundwater Rule TT 12 SDWIS / NH0341030 / 0700
2018 Revised Total Coliform Rule MCL 4 SDWIS / NH0341030 / 8000
2016 Consumer Confidence Rule Other 12 SDWIS / NH0341030 / 7000
2014 Lead and Copper Rule MR 4 SDWIS / NH0341030 / 5000
2013 Coliform (TCR) MR 35 SDWIS / NH0341030 / 3100
2013 Coliform (TCR) MCL 32 SDWIS / NH0341030 / 3100
2009 Chlorine MR 4 SDWIS / NH0341030 / 0999

How Waterville Estate Vlg Dist/W Compares

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

Metric Waterville Estate Vlg Dist/W New Hampshire avg Federal benchmark
Total violations 139 63.6 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 48 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 1,250 506 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 Waterville Estate Vlg Dist/W water safe to drink? ▼
Waterville Estate Vlg Dist/W (PWS ID: NH0341030) has 139 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,250 people using Groundwater sources.
How many people does Waterville Estate Vlg Dist/W serve? ▼
Waterville Estate Vlg Dist/W serves 1,250 people in Campton, New Hampshire. It is a Local-owned system using Groundwater water sources with 500 service connections.
What type of violations does Waterville Estate Vlg Dist/W have? ▼
Waterville Estate Vlg Dist/W has 139 total violations: 48 health-based violations (MCL exceedances or treatment failures), 79 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Waterville Estate Vlg Dist/W water? ▼
No PFAS testing data is available for Waterville Estate Vlg Dist/W under the EPA's UCMR5 monitoring program.
What water source does Waterville Estate Vlg Dist/W use? ▼
Waterville Estate Vlg Dist/W 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.