A85/100
WILTON WATER DEPARTMENT — Water Quality Report 2026
Serving 2,800 people · Maine
Water Source
Surface Water
County
—
System ID
ME0091620
Violations
9
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 240.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2024 – March 31, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – March 20, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – May 10, 2023Enforcement: Resolving — corrective action underway
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 DEPARTMENT
Is WILTON WATER DEPARTMENT water safe to drink?
WILTON WATER DEPARTMENT water receives a grade of A (85/100), which is considered excellent. Out of 27 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WILTON WATER DEPARTMENT detected?
27 contaminants were tested in WILTON WATER DEPARTMENT's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does WILTON WATER DEPARTMENT have any EPA violations?
Yes, WILTON WATER DEPARTMENT has 9 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other.
How many people does WILTON WATER DEPARTMENT serve?
WILTON WATER DEPARTMENT serves approximately 2,800 people, Maine. The system provides water to 1 community: Wilton.
What type of water does WILTON WATER DEPARTMENT provide?
WILTON WATER DEPARTMENT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is ME0091620.
How does WILTON WATER DEPARTMENT compare to other utilities in Maine?
WILTON WATER DEPARTMENT scores 85/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Maine state page for a full comparison of water systems.