DrinkingWaterCheck

CHEWELAH WATER DEPT SOUTH: EPA violation history, explained

CHEWELAH WATER DEPT SOUTH has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 2,615 people get their water from it, across 1,251 connections.

How this compares nationally

CHEWELAH WATER DEPT SOUTH has 62 violations on record in total, 2 of thems health-based - ranking it 5,868th of 12,903 systems by violation count, the 55th percentile nationally.

Against the WA average

WA's 322 covered systems average 3.7 health-based violations each; CHEWELAH WATER DEPT SOUTH carries 2, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

CHEWELAH WATER DEPT SOUTH's most recent violation on record is dated 2025-01-01, with the most recent health-based one dated 1993-01-09. Last reported to EPA: 06/19/2026.

The concern categories on record

CHEWELAH WATER DEPT SOUTH'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:

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 CHEWELAH WATER DEPT SOUTH's record does not cover

CHEWELAH WATER DEPT SOUTH's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 2 health-based violations on file for CHEWELAH WATER DEPT SOUTH - 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.