A. "Compliance program" means a schedule in writing, documenting the public water systems deficiencies, recommended improvements and a schedule for completion.

B. "Existing expanding systems" means a public water system now in existence that intends to expand or make changes in said system during the calendar year. This definition includes an existing private system that will be expanded to become a public water system.

C. "New system" means a water system that is newly developed to serve water to the public which shall include existing wells.

D. "Water system plan of operation" means the plan of operation between the State of Washington and the Tacoma-Pierce County Health Department delineating the respective responsibilities for each agency regarding the enforcement of the provisions of this Chapter.