D29/100
ST CHARLES MESA WD — Water Quality Report 2026
Serving 9,690 people · Colorado
Water Source
Surface Water
County
—
System ID
CO0151750
Violations
64
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2009.
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 ST CHARLES MESA WD
Is ST CHARLES MESA WD water safe to drink?
ST CHARLES MESA WD water receives a grade of D (29/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 64 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ST CHARLES MESA WD detected?
46 contaminants were tested in ST CHARLES MESA WD's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ST CHARLES MESA WD have any EPA violations?
Yes, ST CHARLES MESA WD has 64 EPA violation(s) on record, with the most recent in 2009. Violation types include TT, MR. 1 are health-based violations.
How many people does ST CHARLES MESA WD serve?
ST CHARLES MESA WD serves approximately 9,690 people, Colorado.
What type of water does ST CHARLES MESA WD provide?
ST CHARLES MESA WD 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 CO0151750.
How does ST CHARLES MESA WD compare to other utilities in Colorado?
ST CHARLES MESA WD scores 29/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Colorado state page for a full comparison of water systems.