(1) The cabinet, in conjunction with a county and its municipalities and public water systems, shall finance the development of the water supply plans and encourage multicounty cooperation. The county and its municipalities and public water systems shall pay up to twenty percent (20%) of the total cost of plan development. A county and its municipalities and public water systems shall be given credit toward its share of the plan's cost for in-kind services performed.
(2) The financial assistance of the cabinet shall be available until July 15, 1999.
(3) After July 15, 1999, the full cost of water supply plan development will be the responsibility of any county and its municipalities and public water systems which has not had a plan approved by the cabinet.
(4) After July 15, 1999, the cabinet shall not endorse projects that impact water under the Kentucky intergovernmental review process for any county and its municipalities and public water systems which does not have an approved water supply plan.