Is PROSSER CITY OF's water safe to drink?
PROSSER CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 12,070 people get their water from it, across 2,889 connections.
PROSSER CITY OF's record against the rest of the country
11 total violations and 2 health-based ones put PROSSER CITY OF at the 50th percentile nationally for violation burden, rank 6,482 of 12,903.
How PROSSER CITY OF compares within WA
PROSSER CITY OF's 2 health-based violations sit within the WA average of 3.7, across 322 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 PROSSER CITY OF is from 2023-01-01 (health-based: 1996-01-10). Last reported to EPA: 06/19/2026.
What kind of problem, specifically
PROSSER 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)
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 PROSSER CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 2 health-based violations on file for PROSSER 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.