METROPOLITAN DWID: EPA violation history, explained
METROPOLITAN DWID has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 45,570 people through 18,196 service connections.
METROPOLITAN DWID's record against the rest of the country
METROPOLITAN DWID has 793 violations on record in total, 8 of thems health-based - ranking it 2,272th of 12,903 systems by violation count, the 82th percentile nationally.
How METROPOLITAN DWID compares within AZ
METROPOLITAN DWID's 8 health-based violations sit within the AZ average of 8.2, across 199 systems statewide. 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 METROPOLITAN DWID is from 2024-01-10 (health-based: 2004-01-04). Last reported to EPA: 05/14/2026.
What kind of problem, specifically
METROPOLITAN DWID'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)
- Radionuclides - flagged from: Combined Radium (-226 and -228)
- Other regulated metals - flagged from: CYANIDE
- Synthetic organic chemicals / pesticides / VOCs - flagged from: Tetrachloroethylene; Trichloroethylene
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
This is what METROPOLITAN DWID 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 - 8 health-based violations on file for METROPOLITAN DWID - 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.