Is POST FALLS CITY OF's water safe to drink?
POST FALLS 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: 20,285, over 8,114 connections.
How this compares nationally
POST FALLS CITY OF has 246 violations on record in total, 12 of thems health-based - ranking it 1,532th of 12,903 systems by violation count, the 88th percentile nationally.
How POST FALLS CITY OF compares within ID
POST FALLS CITY OF's 12 health-based violations sit above the ID average of 10.3, across 88 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for POST FALLS CITY OF is from 2021-02-01 (health-based: 2021-02-01). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
POST FALLS 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); Revised Total Coliform 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 POST FALLS CITY OF's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 12 health-based violations on file for POST FALLS 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.