B79/100
U.S.M.A. - STONEY LONESOME SYS — Water Quality Report 2026
Serving 4,000 people · New York
Water Source
Surface Water
County
—
System ID
NY3511338
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2016.
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 U.S.M.A. - STONEY LONESOME SYS
Is U.S.M.A. - STONEY LONESOME SYS water safe to drink?
U.S.M.A. - STONEY LONESOME SYS water receives a grade of B (79/100), which is considered good. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has U.S.M.A. - STONEY LONESOME SYS detected?
31 contaminants were tested in U.S.M.A. - STONEY LONESOME SYS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does U.S.M.A. - STONEY LONESOME SYS have any EPA violations?
Yes, U.S.M.A. - STONEY LONESOME SYS has 6 EPA violation(s) on record, with the most recent in 2016. Violation types include MCL, Other, MR. 3 are health-based violations.
How many people does U.S.M.A. - STONEY LONESOME SYS serve?
U.S.M.A. - STONEY LONESOME SYS serves approximately 4,000 people, New York. The system provides water to 1 community: Highlands (T).
What type of water does U.S.M.A. - STONEY LONESOME SYS provide?
U.S.M.A. - STONEY LONESOME SYS 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 NY3511338.
How does U.S.M.A. - STONEY LONESOME SYS compare to other utilities in New York?
U.S.M.A. - STONEY LONESOME SYS scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New York state page for a full comparison of water systems.