A83/100
GRAND JUNCTION CITY OF — Water Quality Report 2026
Serving 26,000 people · Colorado
Water Source
Surface Water
County
—
System ID
CO0139321
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.008 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 GRAND JUNCTION CITY OF
Is GRAND JUNCTION CITY OF water safe to drink?
GRAND JUNCTION CITY OF water receives a grade of A (83/100), 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 GRAND JUNCTION CITY OF detected?
69 contaminants were tested in GRAND JUNCTION CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GRAND JUNCTION CITY OF have any EPA violations?
Yes, GRAND JUNCTION CITY OF has 6 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, MCL. 2 are health-based violations.
How many people does GRAND JUNCTION CITY OF serve?
GRAND JUNCTION CITY OF serves approximately 26,000 people, Colorado.
What type of water does GRAND JUNCTION CITY OF provide?
GRAND JUNCTION CITY OF 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 CO0139321.
How does GRAND JUNCTION CITY OF compare to other utilities in Colorado?
GRAND JUNCTION CITY OF scores 83/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Colorado state page for a full comparison of water systems.