Water testing in Yakima County, WA
Local water testing: Yakima Health District. Price not posted.
Lower Yakima Valley Nitrate Well Testing
Price not posted
- Nitrate
- Bacteria
Group B system owners and operators: call Fulcrum Environmental Consulting at 509-907-3570. Private or shared wells: fill out the Washington DOH well sampling form, and the contractor calls to schedule a sample and site assessment. Questions: 360-236-3357.
Who can use it: Eligible Group B water systems in the Lower Yakima Valley Groundwater Management Area. The state form is for private or shared wells in Benton or Yakima County that could have high nitrate.
- Yakima Health District, 1210 Ahtanum Ridge Drive, Union Gap · 509-575-4040
Checked October 2, 2026. Official page · Report a change