CheckPFAS

City overview · Yakima County

PFAS in Yakima, WA

Low Level

EPA UCMR 5 tested 5 public water systems serving the Yakima area across 3 ZIP codes. Only trace PFAS were detected across Yakima's tested systems.

Water systems tested
5
Systems above EPA limits
0
ZIP codes covered
3
County
Yakima County, Washington

Plain English

01What this means for Yakima

The water systems serving the Yakima area measured only low, trace concentrations of PFAS — well below the EPA's Maximum Contaminant Levels. For most residents this represents minimal risk from drinking water. Review your specific ZIP below, and check your utility's annual Consumer Confidence Report for year-over-year trends.

By utility

02Water systems serving Yakima

  1. HI VALLEY VIEW

    1 detected · 0 above limit · PWSID WA5300431

    Low Level

  2. YAK CO - TERRACE HEIGHTS

    1 detected · 0 above limit · PWSID WA5306029

    Low Level

  3. MOXEE WATER DEPARTMENT

    1 detected · 0 above limit · PWSID WA5357300

    Low Level

  4. NOB HILL WATER ASSOCIATION

    1 detected · 0 above limit · PWSID WA5359700

    Low Level

  5. UNION GAP WATER

    1 detected · 0 above limit · PWSID WA5390250

    Low Level

By ZIP code

03Find your exact result

Contamination can differ block to block. Select your ZIP code for the precise reading at the utility that serves your address.

989019890398908

Source & Methodology

About this data

Source
EPA UCMR 5
Sampling period
January 2023 – December 2025
Aggregation
5 utilities across 3 ZIP codes
Detection threshold (MRL)
~1.5–2 ppt

City-level figures aggregate the individual public water systems tested under EPA UCMR 5 whose service area falls within the Yakima area. Values reflect water quality at the treatment plant; your home's plumbing can affect what reaches your tap. Select your ZIP above for the utility-specific reading.