(A) General.
(1) In all zoning districts, subdivisions containing ten or more lots shall install a central (public) water system.
(2) The applicant shall install a public water system in a manner prescribed by the State Department of Environment and Natural Resources construction standards and specifications. All plans shall be designed by a state registered professional engineer in accordance with the Recommended Standards for Waterworks (Ten States Standards) and the Criteria for Design of Public Water Supply Systems in the state, or as amended. Plans and specifications shall be submitted and approved by the appropriate agencies and conform to SDCL Ch. 34.
(3) All other water systems shall have a letter from the State Department of Environment and Natural Resources Drinking Water Program stating the proposed system does not fall under the requirements of the State New Water System Planning Manual.
(B) Domestic use. The following information shall be required for a public water system:
(1) Written authorization from a local water supplier that adequate water is available to serve the proposed subdivision, if any;
(2) New public water supply systems must demonstrate technical, managerial, and financial viability by providing documentation to the State Department of Environment and Natural Resources for review and approval. Documentation must be in accordance with the State New Water System Planning Manual;
(3) All water supply improvements must be shown on the construction plans. All water supply systems shall be designed by a state registered professional engineer;
(4) Design calculation reports shall be submitted with construction plans;
(5) Under layout plan, preliminary plat, and final plat: a master plan is required for un-platted balances to prevent piecemeal water system development; and
(6) A water system serving ten or fewer lots may also be subject to state and/or federal regulations if the proposed subdivision’s population is projected to have 25 people or more.
(C) Locations. Water systems shall be located within street or alley rights-of-way unless topography dictates otherwise. When located in easements on private property, access shall be provided. End lines shall be extended to provide access from street or alley rights-of-way where possible. Imposed loadings shall be considered in all locations. Not less than six feet of cover shall be provided over top of pipe in street and alley rights-of-way.
(Ord. 14-04, passed 6-30-2015, Ch. 7, Art. 10)