Manganese in Washington Well Water

In Washington, manganese levels average 39.259 ppb, with a maximum recorded level of 161.79 ppb. The EPA limit is 50 ppb. Currently 3.2% of tested wells exceed this limit, affecting approximately 15,360 wells.

Testing for manganese in Washington typically costs around $103. If treatment is needed, water treatment systems for manganese cost approximately $4,386.

The risk level for manganese in Washington is rated as low. The state average of 39.259 ppb is 79.5% above the national average of 21.866 ppb.