A86/100
NORTHERN DOUGLAS COUNTY WSD — Water Quality Report 2026
Serving 6,160 people · Colorado
Water Source
Purchased Surface Water
County
—
System ID
CO0118016
Violations
14
Contaminant Test Results
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 NORTHERN DOUGLAS COUNTY WSD
Is NORTHERN DOUGLAS COUNTY WSD water safe to drink?
NORTHERN DOUGLAS COUNTY WSD water receives a grade of A (86/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has NORTHERN DOUGLAS COUNTY WSD detected?
31 contaminants were tested in NORTHERN DOUGLAS COUNTY WSD's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does NORTHERN DOUGLAS COUNTY WSD have any EPA violations?
Yes, NORTHERN DOUGLAS COUNTY WSD has 14 EPA violation(s) on record, with the most recent in 2019. Violation types include Other, MR, MON.
How many people does NORTHERN DOUGLAS COUNTY WSD serve?
NORTHERN DOUGLAS COUNTY WSD serves approximately 6,160 people, Colorado.
What type of water does NORTHERN DOUGLAS COUNTY WSD provide?
NORTHERN DOUGLAS COUNTY WSD sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is CO0118016.
How does NORTHERN DOUGLAS COUNTY WSD compare to other utilities in Colorado?
NORTHERN DOUGLAS COUNTY WSD scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Colorado state page for a full comparison of water systems.