F0/100
SILVERTHORNE TOWN OF — Water Quality Report 2026
Serving 8,414 people · Colorado
Water Source
Groundwater
County
—
System ID
CO0159095
Violations
131
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2025 – July 15, 2025Enforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: 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 SILVERTHORNE TOWN OF
Is SILVERTHORNE TOWN OF water safe to drink?
SILVERTHORNE TOWN OF water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 131 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SILVERTHORNE TOWN OF detected?
32 contaminants were tested in SILVERTHORNE TOWN OF's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does SILVERTHORNE TOWN OF have any EPA violations?
Yes, SILVERTHORNE TOWN OF has 131 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does SILVERTHORNE TOWN OF serve?
SILVERTHORNE TOWN OF serves approximately 8,414 people, Colorado.
What type of water does SILVERTHORNE TOWN OF provide?
SILVERTHORNE TOWN OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CO0159095.
How does SILVERTHORNE TOWN OF compare to other utilities in Colorado?
SILVERTHORNE TOWN OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Colorado state page for a full comparison of water systems.