Water trail program funds may be used by the commission solely for water trail program purposes, including, but not limited to, grants for planning, acquisition, development, maintenance, operation and administration of a water trail program and a water trail system of sites and water trail access and launching areas and facilities, such as sanitary facilities, trails, camping areas, and equipment, and for enforcement, education and information programs. Sites for which water trail program funds are used shall be open to holders of a water trail permit.