DrinkingWaterCheck

SUMMIT WATER & SUPPLY CO: EPA violation history, explained

SUMMIT WATER & SUPPLY CO has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 19,125, over 7,111 connections.

SUMMIT WATER & SUPPLY CO's record against the rest of the country

Out of 12,903 systems in this dataset, SUMMIT WATER & SUPPLY CO ranks 2,768th by violation burden (79th percentile) - 15 violations total, 7 health-baseds.

How SUMMIT WATER & SUPPLY CO compares within WA

WA's 322 covered systems average 3.7 health-based violations each; SUMMIT WATER & SUPPLY CO carries 7, more than typical for the state. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for SUMMIT WATER & SUPPLY CO is from 2018-01-07 (health-based: 1998-01-11). Last reported to EPA: 06/19/2026.

What kind of problem, specifically

SUMMIT WATER & SUPPLY CO'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 this data is and is not

SUMMIT WATER & SUPPLY CO'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 - 7 health-based violations on file for SUMMIT WATER & SUPPLY CO - 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.