The county legislative authority establishing a shellfish protection district may finance the protection program through (1) county tax revenues, (2) reasonable inspection fees and similar fees for services provided, (3) reasonable charges or rates specified in its protection program, or (4) federal, state, or private grants. A dairy animal feeding operation with a certified dairy nutrient management plan as required in chapter
90.64 RCW and any other commercial agricultural operation on agricultural lands as defined in RCW
36.70A.030 shall be subject to fees, rates, or charges by a shellfish protection district of no more than five hundred dollars in a calendar year. Facilities permitted and assessed fees for wastewater discharge under the national pollutant discharge elimination system shall not be subject to fees, rates, or charges for wastewater discharge by a shellfish protection district. Lands classified as forestland under chapter
84.33 RCW and timberland under chapter
84.34 RCW shall not be subject to fees, rates, or charges by a shellfish protection district. Counties may collect charges or rates in the manner determined by the county legislative authority.