A100/100
LEWISTON WATER IMPROVEMENTAREA — Water Quality Report 2026
Serving 16,257 people · New York
Water Source
Purchased Surface Water
County
—
System ID
NY3100561
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 LEWISTON WATER IMPROVEMENTAREA
Is LEWISTON WATER IMPROVEMENTAREA water safe to drink?
LEWISTON WATER IMPROVEMENTAREA water receives a grade of A (100/100), which is considered excellent. Out of 67 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has LEWISTON WATER IMPROVEMENTAREA detected?
67 contaminants were tested in LEWISTON WATER IMPROVEMENTAREA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LEWISTON WATER IMPROVEMENTAREA have any EPA violations?
No, LEWISTON WATER IMPROVEMENTAREA has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does LEWISTON WATER IMPROVEMENTAREA serve?
LEWISTON WATER IMPROVEMENTAREA serves approximately 16,257 people, New York. The system provides water to 1 community: Lewiston (V).
What type of water does LEWISTON WATER IMPROVEMENTAREA provide?
LEWISTON WATER IMPROVEMENTAREA 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 NY3100561.
How does LEWISTON WATER IMPROVEMENTAREA compare to other utilities in New York?
LEWISTON WATER IMPROVEMENTAREA scores 100/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our New York state page for a full comparison of water systems.