The water in any natural or impounded lake, wholly or partially within the boundaries of an irrigation and rehabilitation district, together with all use of said water and the bottom and shore lines to the line established by the highest level where water has been or shall be stored in said lake, shall be regulated, controlled and used by the irrigation and rehabilitation district in order to further the health, safety, recreation and welfare of the residents in the district and the citizens and guests of the state of Washington, subject to rights of the United States bureau of reclamation and any irrigation districts organized under the laws of the state of Washington.

In addition to the powers expressly or impliedly enumerated above, the directors of an irrigation and rehabilitation district shall have the power and authority to:

(1) Control and regulate the use of boats, skiers, skin divers, aircraft, ice skating, ice boats, swimmers or any other use of said lake, by means of appropriate rules and regulations not inconsistent with state fish, game or aeronautics laws.

(2) Expend district funds for the control of mosquitoes or other harmful insects which may affect the use of any lake located in the district: PROVIDED, That the state department of social and health services gives its approval in writing to any district program instituted under the authority of this item. District funds may be expended for mosquito and insect control or other district projects or activities even though it may be necessary to place chemicals or carry on activities on areas located outside of an irrigation and rehabilitation district's boundaries. These funds may be transferred to the jurisdictional health department for the purpose of carrying out the provisions of this item.

(3) Except for state highways, control, regulate or prohibit by means of rules and regulations, the building, construction, placing or allowing to be placed from adjoining land, sand, gravel, dirt, rock, tires, lumber, logs, bottles, cans, garbage and trash, or any loathsome, noxious substances or materials of any kind, and any piling, causeways, fill, roads, culverts, wharfs, bulkheads, buildings, structures, floats, or markers, in, on or above the line established by the highest level where water has been or shall be stored in said lake, located in the district, in order to further the interests of the citizens of the state of Washington, and residents of the district.

(4) Except for state highways, control, regulate and require the placing, maintenance and use of culverts and boat accesses under and through existing fills constructed over and/or across any lake located within the district to facilitate water circulation, navigation and the reduction of flood danger.

(5) Control the taking of carp or other rough fish located in the district and including the right to grant or sell an exclusive or concurrent franchise for the taking of carp or other rough fish, providing the department of fish and wildlife give their approval in writing to any district project regarding the capture, or sale of fish.

(6) Control and regulate by means of rules and regulations the direct or indirect introduction into any lake within the district of any human, animal or industrial waste products, sewage, effluent or by-products, treated or untreated: PROVIDED, That the state department of ecology gives its approval in writing to any district program instituted under this section, and nothing herein shall be deemed to amend, repeal, supersede, or otherwise modify any laws or regulations relating to public health or to the department of ecology.

(7) Except for state highways, construct, maintain, place, and/or restore roads, buildings, docks, dams, canals, locks, mechanical lifts or any other type of transportation facility; dredge, purchase land, or lease land, or enter into agreements with other agencies or conduct any other activity within or without the district boundaries in order to carry out district projects or activities to further the recreational potential of the area.

Severability—1963 c 221: See note following RCW 87.84.005.