F0/100
WILTON WATER & SEWER AUTHORITY — Water Quality Report 2026
Serving 9,490 people · New York
Water Source
Purchased Surface Water
County
—
System ID
NY4500186
Violations
220
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – December 31, 2022Enforcement: 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 & SEWER AUTHORITY
Is WILTON WATER & SEWER AUTHORITY water safe to drink?
WILTON WATER & SEWER AUTHORITY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 220 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has WILTON WATER & SEWER AUTHORITY detected?
31 contaminants were tested in WILTON WATER & SEWER AUTHORITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does WILTON WATER & SEWER AUTHORITY have any EPA violations?
Yes, WILTON WATER & SEWER AUTHORITY has 220 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, Other, MON. 2 are health-based violations.
How many people does WILTON WATER & SEWER AUTHORITY serve?
WILTON WATER & SEWER AUTHORITY serves approximately 9,490 people, New York. The system provides water to 1 community: Wilton (T).
What type of water does WILTON WATER & SEWER AUTHORITY provide?
WILTON WATER & SEWER AUTHORITY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NY4500186.
How does WILTON WATER & SEWER AUTHORITY compare to other utilities in New York?
WILTON WATER & SEWER AUTHORITY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New York state page for a full comparison of water systems.