💧 ZIP Water Report

Tap water in Prosser, WA — ZIP 99350

1 public water system serving about 8,030 people.

A
Excellent

Water systems serving 99350

Prosser City Of
PWSID WA5369750 · serves 8,030 · groundwater
0 health-based / 1 total violations (5 yrs)
A

Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology