Northglenn City of, CO Water Quality
Northglenn City of: EPA violation history, explained
Northglenn City of's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 48,927, over 10,203 connections.
Northglenn City of's record against the rest of the country
Northglenn City of has 7 violations on record in total, 0 of them health-based - ranking it 10,748th of 12,903 systems by violation count, the 17th percentile nationally.
Against the CO average
Northglenn City of's 0 health-based violations sit within the CO average of 3.0, across 230 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
Northglenn City of's most recent violation on record is dated 1988-01-01. Last reported to EPA: 06/17/2026.
What Northglenn City of's record does not cover
This is what Northglenn City of reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and Northglenn City of's customers' taps is household plumbing, invisible to a system-level record ranked 10,748th of 12,903 by violation count. The guide to what this data misses covers that gap.