As used in Kan. Stat. Ann. §§ 65-163d through 65-163u, and amendments thereto:

(a) “Fund” means the public water supply loan fund established by Kan. Stat. Ann. § 65-163e, and amendments thereto.

(b) “Municipality” means: (1) Any political or taxing subdivision authorized by law to construct, operate and maintain a public water supply system, including water districts; (2) two or more such subdivisions jointly constructing, operating or maintaining a public water supply system; or (3) the Kansas rural water finance authority.

(c) “Project” means any acquisition, construction, reconstruction, improvement, equipping, rehabilitation or extension of all or any part of a public water supply system.

(d) “Project costs” means all costs or expenses which are necessary or incident to a project and which are directly attributable thereto.

(e) “Public water supply system” has the meaning provided by Kan. Stat. Ann. § 65-162a, and amendments thereto.

(f) “Secretary” means the secretary of health and environment.