DrinkingWaterCheck

What's in TUMWATER CITY OF's water?

TUMWATER 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: 51,802, over 13,486 connections.

TUMWATER CITY OF's record against the rest of the country

Out of 12,903 systems in this dataset, TUMWATER CITY OF ranks 3,150th by violation burden (76th percentile) - 16 violations total, 6 health-baseds.

Against the WA average

TUMWATER CITY OF's 6 health-based violations sit above the WA average of 3.7, across 322 systems statewide. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

TUMWATER CITY OF's most recent violation on record is dated 2020-01-01, with the most recent health-based one dated 2006-01-08. Last reported to EPA: 06/19/2026.

The concern categories on record

TUMWATER 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:

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 TUMWATER CITY OF's record does not cover

TUMWATER CITY OF'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 - 6 health-based violations on file for TUMWATER 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.