A88/100
ROCK SPRINGS, CITY OF — Water Quality Report 2026
Serving 24,000 people · Wyoming
Water Source
Purchased Surface Water
County
—
System ID
WY5601182
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 ROCK SPRINGS, CITY OF
Is ROCK SPRINGS, CITY OF water safe to drink?
ROCK SPRINGS, CITY OF water receives a grade of A (88/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ROCK SPRINGS, CITY OF detected?
69 contaminants were tested in ROCK SPRINGS, CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROCK SPRINGS, CITY OF have any EPA violations?
Yes, ROCK SPRINGS, CITY OF has 5 EPA violation(s) on record, with the most recent in 2014. Violation types include MCL, MR. 1 are health-based violations.
How many people does ROCK SPRINGS, CITY OF serve?
ROCK SPRINGS, CITY OF serves approximately 24,000 people, Wyoming. The system provides water to 1 community: Rock Springs.
What type of water does ROCK SPRINGS, CITY OF provide?
ROCK SPRINGS, CITY OF 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 WY5601182.
How does ROCK SPRINGS, CITY OF compare to other utilities in Wyoming?
ROCK SPRINGS, CITY OF scores 88/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Wyoming state page for a full comparison of water systems.