A90/100
NORTHGLENN CITY OF — Water Quality Report 2026
Serving 48,927 people · Colorado
Water Source
Surface Water
County
—
System ID
CO0101115
Violations
7
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1988.
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 NORTHGLENN CITY OF
Is NORTHGLENN CITY OF water safe to drink?
NORTHGLENN CITY OF water receives a grade of A (90/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NORTHGLENN CITY OF detected?
69 contaminants were tested in NORTHGLENN CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORTHGLENN CITY OF have any EPA violations?
Yes, NORTHGLENN CITY OF has 7 EPA violation(s) on record, with the most recent in 1988. Violation types include MR.
How many people does NORTHGLENN CITY OF serve?
NORTHGLENN CITY OF serves approximately 48,927 people, Colorado.
What type of water does NORTHGLENN CITY OF provide?
NORTHGLENN 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 CO0101115.
How does NORTHGLENN CITY OF compare to other utilities in Colorado?
NORTHGLENN CITY OF scores 90/100 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.