F0/100
ARAPAHOE CNTY WWWA — Water Quality Report 2026
Serving 31,000 people · Colorado
Water Source
Groundwater
County
—
System ID
CO0203002
Violations
173
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.50 mg/L | 1.30 mg/L | Over Limit |
manganese | 726.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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 ARAPAHOE CNTY WWWA
Is ARAPAHOE CNTY WWWA water safe to drink?
ARAPAHOE CNTY WWWA water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 173 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ARAPAHOE CNTY WWWA detected?
67 contaminants were tested in ARAPAHOE CNTY WWWA's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), manganese. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does ARAPAHOE CNTY WWWA have any EPA violations?
Yes, ARAPAHOE CNTY WWWA has 173 EPA violation(s) on record, with the most recent in 2019. Violation types include Other, MR.
How many people does ARAPAHOE CNTY WWWA serve?
ARAPAHOE CNTY WWWA serves approximately 31,000 people, Colorado.
What type of water does ARAPAHOE CNTY WWWA provide?
ARAPAHOE CNTY WWWA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is CO0203002.
How does ARAPAHOE CNTY WWWA compare to other utilities in Colorado?
ARAPAHOE CNTY WWWA 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.