C49/100
WILTON WATER WORKS — Water Quality Report 2026
Serving 1,790 people · New Hampshire
Water Source
Groundwater
County
—
System ID
NH2521010
Violations
27
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.75 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.063 mg/L | 0.015 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1995.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About WILTON WATER WORKS
Is WILTON WATER WORKS water safe to drink?
WILTON WATER WORKS water receives a grade of C (49/100), which is considered fair. 2 contaminant(s) exceed EPA legal limits and 27 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WILTON WATER WORKS detected?
2 contaminants were tested in WILTON WATER WORKS's water. Notable contaminants include Lead (90th percentile), Copper (90th percentile). 2 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does WILTON WATER WORKS have any EPA violations?
Yes, WILTON WATER WORKS has 27 EPA violation(s) on record, with the most recent in 1995. Violation types include MR, MCL, TT. 2 are health-based violations.
How many people does WILTON WATER WORKS serve?
WILTON WATER WORKS serves approximately 1,790 people, New Hampshire. The system provides water to 1 community: Wilton.
What type of water does WILTON WATER WORKS provide?
WILTON WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NH2521010.
How does WILTON WATER WORKS compare to other utilities in New Hampshire?
WILTON WATER WORKS scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our New Hampshire state page for a full comparison of water systems.