Local water quality
Water quality in Walla Walla, Washington
6 public water systems · EPA data
The bottom line
EPA records for the water serving Walla Walla, Washington show Lead, Nitrate, Copper. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Walla Walla's water
Contaminants EPA has recorded across Walla Walla's water systems, and how many certified filters remove each.
Water systems serving Walla Walla
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
WALLA WALLA WATER DIVISION
42,959 people served
1 contaminant · report →
TOUCHET SCHOOL
303 people served
3 contaminants · report →
DIXIE WATER ASSOCIATION
240 people served
1 contaminant · report →
Columbia12 Touchet Chevron
104 people served
1 contaminant · report →
Walla Walla River Packing & Storage
75 people served
2 contaminants · report →
PROSPECT HEIGHTS COMM WATER ASSN
40 people served
1 contaminant · report →
Filter your Walla Walla water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.