B75/100
GUNNISON CITY OF — Water Quality Report 2026
Serving 9,610 people · Colorado
Water Source
Groundwater
County
—
System ID
CO0126325
Violations
10
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.004 µg/L | 0.004 µg/L | Over Limit |
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 2021.
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 GUNNISON CITY OF
Is GUNNISON CITY OF water safe to drink?
GUNNISON CITY OF water receives a grade of B (75/100), which is considered good. Out of 38 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GUNNISON CITY OF detected?
38 contaminants were tested in GUNNISON CITY OF's water. Notable contaminants include PFOS, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does GUNNISON CITY OF have any EPA violations?
Yes, GUNNISON CITY OF has 10 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, MCL. 1 are health-based violations.
How many people does GUNNISON CITY OF serve?
GUNNISON CITY OF serves approximately 9,610 people, Colorado.
What type of water does GUNNISON CITY OF provide?
GUNNISON CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CO0126325.
How does GUNNISON CITY OF compare to other utilities in Colorado?
GUNNISON CITY OF scores 75/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Colorado state page for a full comparison of water systems.