Wash. Rev. Code § 78.60.260
Any person who violates any of the provisions of this chapter, or fails to perform any duty imposed by this chapter, or violates an order or other determination of the department made pursuant to the provisions of this chapter, and in the course thereof causes the death of, or injury to, fish, animals, vegetation or other resources of the state, shall be liable to pay the state damages including an amount equal to the sum of money necessary to restock such waters, replenish such resources, and otherwise restore the stream, lake, other water source, or land to its condition prior to the injury, as such condition is determined by the department. Such damages shall be recoverable in an action brought by the attorney general on behalf of the people of the state of Washington in the superior court of the county in which such damages occurred: PROVIDED, That if damages occurred in more than one county the attorney general may bring action in any of the counties where the damage occurred. Any moneys so recovered by the attorney general shall be transferred to the department under whose jurisdiction the damaged resource occurs, for the purposes of restoring the resource.
RCW 78.60.260