Pesticides in Washington Well Water

In Washington, pesticides levels average 1.417 ppb, with a maximum recorded level of 4.165 ppb. The EPA limit is 3 ppb. Currently 11.3% of tested wells exceed this limit, affecting approximately 54,240 wells.

Testing for pesticides in Washington typically costs around $143. If treatment is needed, water treatment systems for pesticides cost approximately $3,295.

The risk level for pesticides in Washington is rated as moderate. The state average of 1.417 ppb is 1.8% above the national average of 1.393 ppb.