Said taxes shall be assessed by the county assessors of each county in which any land within the reclamation district is situated, the valuations of the property assessed shall be equalized by the board of equalization of each said respective county, and the levy made on estimates furnished by the district board, by the board of county commissioners of each said respective county, at the same time general state and county taxes are assessed, property values equalized and taxes levied respectively.
RCW 89.30.394