VerifiedWaterFilterData

← All Washington cities

Local water quality

Water quality in Toppenish, Washington

4 public water systems · EPA data

The bottom line

EPA records for the water serving Toppenish, Washington show Lead, Copper, Total Trihalomethanes. A filter independently certified to reduce those exact contaminants is the most direct fix.

What's in Toppenish's water

Contaminants EPA has recorded across Toppenish's water systems, and how many certified filters remove each.

Lead 757 certified filters → Copper 192 certified filters → Total Trihalomethanes 147 certified filters →

Water systems serving Toppenish

Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.

TOPPENISH WATER DEPARTMENT
8,950 people served
1 contaminant · report →
WHITE SWAN
900 people served
1 contaminant · report →
HERITAGE UNIVERSITY WATER SYSTEM
750 people served
2 contaminants · report →
PARKER
300 people served
2 contaminants · report →

Filter your Toppenish water

Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.

Get my exact water report Which filter is right for me?