A100/100
ECWA LANCASTER — Water Quality Report 2026
Serving 21,428 people · New York
Water Source
Purchased Surface Water
County
—
System ID
NY1400421
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.010 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 ECWA LANCASTER
Is ECWA LANCASTER water safe to drink?
ECWA LANCASTER water receives a grade of A (100/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ECWA LANCASTER detected?
1 contaminants were tested in ECWA LANCASTER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ECWA LANCASTER have any EPA violations?
No, ECWA LANCASTER has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does ECWA LANCASTER serve?
ECWA LANCASTER serves approximately 21,428 people, New York. The system provides water to 1 community: Lancaster (T).
What type of water does ECWA LANCASTER provide?
ECWA LANCASTER 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 NY1400421.
How does ECWA LANCASTER compare to other utilities in New York?
ECWA LANCASTER 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.