A92/100
MCWA — Water Quality Report 2026
Serving 496,753 people · New York
Water Source
Surface Water
County
—
System ID
NY2701047
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Consumer confidence report — late or incomplete delivery
When: January 1, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 MCWA
Is MCWA water safe to drink?
MCWA water receives a grade of A (92/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MCWA detected?
76 contaminants were tested in MCWA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MCWA have any EPA violations?
Yes, MCWA has 1 EPA violation(s) on record, with the most recent in 2025. Violation types include TT. 1 are health-based violations.
How many people does MCWA serve?
MCWA serves approximately 496,753 people, New York. The system provides water to 33 communities: Wheatland (T), Brighton (T), Chili (T), Gates (T), Greece (T), and 28 more.
What type of water does MCWA provide?
MCWA 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 NY2701047.
How does MCWA compare to other utilities in New York?
MCWA scores 92/100 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.
Cities Served
Wheatland (T)Brighton (T)Chili (T)Gates (T)Greece (T)Irondequoit (T)Mendon (T)Ogden (T)Parma (T)Penfield (T)Perinton (T)Pittsford (T)Riga (T)Sweden (T)Webster (T)Kendall (T)Victor (V)Oakfield (T)Churchville (V)Clarkson (T)East Rochester (X)Fairport (V)Rochester (C)Pittsford (V)Spencerport (V)Hamlin (T)Henrietta (T)Scottsville (V)Rush (T)Honeoye Falls (V)Batavia (T)Oakfield (V)Victor (T)