F0/100

IDAHO SPRINGS CITY OF — Water Quality Report 2026

Serving 10,432 people · Colorado

Water Source
Surface Water
County
System ID
CO0110020
Violations
39

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
3.52 mg/L1.30 mg/LOver Limit
Lead (90th percentile)
0.007 mg/L0.015 mg/LAbove Goal

EPA Violation History

5

Violations (last 5yr)

0

Unresolved

0

Health-Related

TIER 3Resolved

Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 2, 2025 – July 3, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2025 – January 6, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Violation related to Turbidity

When: January 4, 2024 – January 18, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Missed required monitoring deadline

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2023 – June 30, 2023Rule: Surface Water Treatment 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 IDAHO SPRINGS CITY OF

Is IDAHO SPRINGS CITY OF water safe to drink?

IDAHO SPRINGS CITY OF water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 39 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has IDAHO SPRINGS CITY OF detected?

32 contaminants were tested in IDAHO SPRINGS CITY OF's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does IDAHO SPRINGS CITY OF have any EPA violations?

Yes, IDAHO SPRINGS CITY OF has 39 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, Other. 28 are health-based violations.

How many people does IDAHO SPRINGS CITY OF serve?

IDAHO SPRINGS CITY OF serves approximately 10,432 people, Colorado.

What type of water does IDAHO SPRINGS CITY OF provide?

IDAHO SPRINGS 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 CO0110020.

How does IDAHO SPRINGS CITY OF compare to other utilities in Colorado?

IDAHO SPRINGS CITY 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.