What's in TOPPENISH WATER DEPARTMENT's water?

TOPPENISH WATER DEPARTMENT's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 8,950 people through 2,636 service connections.

How this compares nationally

TOPPENISH WATER DEPARTMENT has 5 violations on record in total, 0 of thems health-based - ranking it 11,141th of 12,903 systems by violation count, the 14th percentile nationally.

Against the WA average

Among the 322 WA systems in this dataset, the average is 3.7 health-based violations - TOPPENISH WATER DEPARTMENT's 0 is at or below that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

TOPPENISH WATER DEPARTMENT's most recent violation on record is dated 2025-01-07. Last reported to EPA: 06/19/2026.

What TOPPENISH WATER DEPARTMENT's record does not cover

TOPPENISH WATER DEPARTMENT'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. Between the utility's meter and TOPPENISH WATER DEPARTMENT's customers' taps is household plumbing, invisible to a system-level record ranked 11,141th of 12,903 by violation count. The guide to what this data misses covers that gap.