What's in DALLAS, CITY OF's water?
DALLAS, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 17,911 people get their water from it, across 6,400 connections.
Ranked against every other system in this dataset
41 total violations and 4 health-based ones put DALLAS, CITY OF at the 69th percentile nationally for violation burden, rank 4,046 of 12,903.
How DALLAS, CITY OF compares within OR
OR's 160 covered systems average 6.0 health-based violations each; DALLAS, CITY OF carries 4, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for DALLAS, CITY OF is from 2025-01-07 (health-based: 2021-01-01). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
DALLAS, 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: Coliform (TCR); Interim Enhanced Surface Water Treatment Rule; 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 this data is and is not
Everything on this page is DALLAS, CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 4 health-based violations on file for DALLAS, 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.