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F0/100

UPPER SURFACE CREEK DOMESTIC WUA — Water Quality Report 2026

Serving 2,800 people · Colorado

Water Source
Surface Water
County
—
System ID
CO0115784
Violations
85

Contaminant Test Results

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

EPA Violation History

9

Violations (last 5yr)

0

Unresolved

6

Health-Related

TIER 2Resolved

Consumer confidence report — late or incomplete delivery

When: May 5, 2024 – January 22, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Other Violation

When: June 6, 2023 – October 16, 2023Rule: Total Coliform RuleEnforcement: 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: June 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
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, 2023 – June 30, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued

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 UPPER SURFACE CREEK DOMESTIC WUA

Is UPPER SURFACE CREEK DOMESTIC WUA water safe to drink?

UPPER SURFACE CREEK DOMESTIC WUA water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 85 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has UPPER SURFACE CREEK DOMESTIC WUA detected?

2 contaminants were tested in UPPER SURFACE CREEK DOMESTIC WUA's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).

Does UPPER SURFACE CREEK DOMESTIC WUA have any EPA violations?

Yes, UPPER SURFACE CREEK DOMESTIC WUA has 85 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MCL, Other. 16 are health-based violations.

How many people does UPPER SURFACE CREEK DOMESTIC WUA serve?

UPPER SURFACE CREEK DOMESTIC WUA serves approximately 2,800 people, Colorado.

What type of water does UPPER SURFACE CREEK DOMESTIC WUA provide?

UPPER SURFACE CREEK DOMESTIC WUA 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 CO0115784.

How does UPPER SURFACE CREEK DOMESTIC WUA compare to other utilities in Colorado?

UPPER SURFACE CREEK DOMESTIC WUA 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.