ASPEN CITY OF: EPA violation history, explained
ASPEN CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 31,100, over 3,875 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, ASPEN CITY OF ranks 7,311th by violation burden (43th percentile) - 77 violations total, 1 health-based.
Against the CO average
Among the 230 CO systems in this dataset, the average is 3.0 health-based violations - ASPEN CITY OF's 1 is at or below that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
ASPEN CITY OF's most recent violation on record is dated 2025-01-03, with the most recent health-based one dated 1995-01-11. Last reported to EPA: 06/17/2026.
The concern categories on record
ASPEN CITY OF's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Surface Water Treatment Rule
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What ASPEN CITY OF's record does not cover
This is what ASPEN 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. This record - 1 health-based violation on file for ASPEN CITY OF - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.