CITY OF COLLEYVILLE: EPA violation history, explained
CITY OF COLLEYVILLE has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 26,599, over 10,741 connections.
How this compares nationally
CITY OF COLLEYVILLE has 5 violations on record in total, 1 of them health-based - ranking it 8,675th of 12,903 systems by violation count, the 33th percentile nationally.
How CITY OF COLLEYVILLE compares within TX
Among the 1,633 TX systems in this dataset, the average is 6.7 health-based violations - CITY OF COLLEYVILLE's 1 is at or below that. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for CITY OF COLLEYVILLE is from 2015-06-12 (health-based: 2015-01-06). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
CITY OF COLLEYVILLE'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: Coliform (TCR)
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 this data is and is not
Everything on this page is CITY OF COLLEYVILLE's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and CITY OF COLLEYVILLE's customers' taps is household plumbing, invisible to a system-level record ranked 8,675th of 12,903 by violation count. The guide to what this data misses covers that gap.