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. NR 854.05(2)(c)3.3. If the Great Lakes council approves a diversion area for a public water supply system proposing to make a diversion from the Great Lakes basin under s. 281.346 (4) (e), Stats., that diversion area shall be the delineated water supply service area for the plan. NR 854.05(3)(3) Description of the public water supply system. A plan shall include a description of the public water supply system using schematics, as appropriate. The description shall include all of the following, as applicable: NR 854.05(3)(a)(a) A description of the existing sources serving the system, including all wells, surface water intakes, and any water purchased from any other water system. NR 854.05(3)(b)(b) A description of any identified or documented water quality issues relative to existing sources. NR 854.05(3)(c)(c) An identification of all consecutive water systems currently purchasing water from the public water supply system and all consecutive water systems anticipated to purchase water from the public water supply system during the planning period. NR 854.05(3)(d)(d) A plan requiring department approval under s. NR 854.04 (2) or (3) shall also include in the description of the public water supply system all of the following, as applicable: NR 854.05(3)(d)1.1. A description or schematic identifying the general location of existing water treatment facilities including a description of the type and size of the treatment facilities and related equipment. The description shall also indicate the final disposition of the wastewater and sludge from the treatment processes. NR 854.05(3)(d)2.2. A description and schematic of the existing water storage and distribution facilities including, as applicable: the location of water mains; water pressure booster stations; water pressure reducing stations; metering stations; storage reservoirs; and any connections with other water utilities. NR 854.05(3)(d)3.3. A map showing the location of the Great Lakes basin in relation to its public water supply facilities. NR 854.05(4)(4) Description of existing sources and withdrawals. NR 854.05(4)(a)(a) The plan shall describe the public water supply system’s sources and withdrawals including all of the following: NR 854.05(4)(a)1.1. A statement identifying the withdrawals used to supply water to the system. NR 854.05(4)(a)2.2. The average daily withdrawal amount for each source in each of the last 10 years preceding the planning period. NR 854.05(4)(a)4.4. For any consecutive water system that purchases a portion of its public water supply, the public water supply system’s average daily public water supply obtained from each water supplier for each of the 10 years preceding the planning period. NR 854.05(4)(b)1.1. A description of the methods used to measure or estimate the amount of withdrawal and amount of non-revenue water. NR 854.05(4)(b)2.2. A description of water quality treatment required or expected to be required relating to existing sources. NR 854.05(4)(c)(c) For a plan including a diversion, the plan shall include all of the following: NR 854.05(4)(c)1.1. A description and schematic of the location and method of return flow to the Great Lakes basin.