NR 854.03(19)(19) “Schematic” means a diagram that represents the elements of a public water supply system using general locations and graphic symbols rather than scaled maps. NR 854.03(20)(a)(a) “Source” means an individual location where water is withdrawn from groundwater or surface water. NR 854.03(23)(23) “Water supply service area” means an area in which the public water supply system provides water or may provide water to the public during the planning period covered by the water supply service area plan. NR 854.03(24)(24) “Water supply service area plan” or “plan” means a document developed in compliance with this chapter. NR 854.03 HistoryHistory: CR 23-049: cr. Register June 2024 No. 822, eff. 7-1-24; correction in (17) made under s. 35.17, Stats., Register June 2024. NR 854.04NR 854.04 Persons required to prepare a plan. NR 854.04(1)(1) A person owning or operating a public water supply system that serves a population of 10,000 or more, and that withdraws water from the waters of the state, shall prepare a water supply service area plan on or before December 31, 2025. NR 854.04(2)(2) A person owning or operating a public water supply system that serves or is expected to serve a population of 10,000 or more shall prepare and obtain department approval of a water supply service area plan before the department may issue a general or individual permit under s. 281.346 (4s) and (5), Stats. NR 854.04(3)(3) A person owning or operating a public water supply system that requests a new or increased diversion of Great Lakes water under s. 281.346 (4), Stats., shall prepare and obtain department approval for a water supply service area plan before the department may grant approval of any new or increased diversion, regardless of the size of the population served by the public water supply system, unless the diversion proposal includes providing water to a straddling community that includes an electronics and information technology manufacturing zone designated under s. 238.396 (1m), Stats. NR 854.04(4)(4) After December 31, 2025, any person owning or operating a public water supply system that serves a population of less than 10,000 but is expected to serve a population of 10,000 or more in the future shall prepare a water supply service area plan before the date when the public water supply system begins to serve a population of 10,000 or more. NR 854.04(5)(5) A person owning or operating a public water supply system with a plan that does not require department approval shall review the plan every 5 years and update the plan as needed. A new plan shall be prepared on or before the expiration date of the plan. NR 854.04(6)(6) A person owning or operating a public water supply system that has an approved water supply service area plan shall submit a new water supply service area plan to the department for approval at least 180 calendar days before the expiration of an approved water supply service area plan. NR 854.04 HistoryHistory: CR 23-049: cr. Register June 2024 No. 822, eff. 7-1-24. NR 854.05NR 854.05 Content of a water supply service area plan. A person required to prepare a plan under s. NR 854.04 shall prepare a plan that includes all of the following: NR 854.05(1)(1) Establishment of planning period. The plan shall identify the planning period covered by the plan. The planning period shall be at least 10 years and no more than 20 years. The plan shall include an expiration date that coincides with the end of the planning period. NR 854.05(2)(a)(a) The plan shall delineate the area for which the plan is being prepared, including all areas to which the public water supply system currently serves retail customers and the projected growth area for the system within the planning period under sub. (1). Identifying an area as a projected growth area for planning purposes does not obligate the public water supply system to provide water to the projected growth area. NR 854.05(2)(c)1.1. An areawide water quality planning agency may delineate the water supply service area for the public water supply systems within its designated planning area.