A91/100
GREEN MOUNTAIN WSD — Water Quality Report 2026
Serving 49,400 people · Colorado
Water Source
Purchased Surface Water
County
—
System ID
CO0130321
Violations
2
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Violation related to Turbidity
When: June 17, 2021 – June 30, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 GREEN MOUNTAIN WSD
Is GREEN MOUNTAIN WSD water safe to drink?
GREEN MOUNTAIN WSD water receives a grade of A (91/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GREEN MOUNTAIN WSD detected?
1 contaminants were tested in GREEN MOUNTAIN WSD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GREEN MOUNTAIN WSD have any EPA violations?
Yes, GREEN MOUNTAIN WSD has 2 EPA violation(s) on record, with the most recent in 2021. Violation types include Other, TT. 1 are health-based violations.
How many people does GREEN MOUNTAIN WSD serve?
GREEN MOUNTAIN WSD serves approximately 49,400 people, Colorado.
What type of water does GREEN MOUNTAIN WSD provide?
GREEN MOUNTAIN WSD 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 CO0130321.
How does GREEN MOUNTAIN WSD compare to other utilities in Colorado?
GREEN MOUNTAIN WSD scores 91/100 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.