020-11 Wyo. Code R. § 11-59
(a) The potable water distribution system serving any building, mobile home lot, campground site or other appurtenance within a mobile home park or campground that is connected to a public water supply shall be considered an extension or modification of the public supply.
(b) If water is to be obtained from a public water supply, a letter of verification shall be provided from the public water supply system manager stating that the required flow can be supplied at a minimum pressure of twenty (20) pounds per square inch under all conditions of flow throughout the proposed distribution system. A normal working pressure of thirty-five (35) pounds per square inch shall be maintained in the distribution system.
(c) The public water supply serving mobile home sites, buildings and other facilities within a mobile home park shall be designed, constructed or installed and protected in accordance with Chapter 12 of the Water Quality Rules and Regulations, except as follows:
Homes Gallons per Minute 25 65 50 105 75 145 100 180 150 235 200 285 each additional mobile home over 200 1 gpm
- (ii) If fire protection is provided, the flow required shall be in addition to the requirements of subsection (i) above.
- (iii) Each mobile home shall be provided with a potable water service connection pipe. It shall be 3/4 inch nominal pipe size or larger. The riser portion of the pipe shall be constructed of type K copper or steel pipe from a point below the frost line to the point of connection to the mobile home piping. The riser shall terminate at least four (4) inches above finished grade and shall be protected from damage. The service connection pipe shall be provided with a curb stop below frost penetration. A stop and waste valve with a weep hole below grade shall not be used.
- (iv) The distribution system shall be of sufficient size to supply the required volume of water at a minimum pressure of twenty (20) pounds per square inch under all conditions of demand. A working pressure of thirty-five (35) pounds per square inch shall be maintained under average day demand conditions. The distribution system mains shall not be smaller than 1 1/2 inches in diameter. If fire protection is provided, the distribution system shall meet the requirements of Chapter 12 of the Water Quality Rules and Regulations.
- (v) If the potable water is pumped to the distribution system from wells or storage facilities, the pumps shall be capable of meeting the maximum day demand with the largest pumping unit out of service.
- (vi) Water storage facilities shall be provided when the potable water source cannot meet the peak demand.
(d) The public water supply serving campground sites, buildings and/or other facilities within a campground shall be designed, constructed and protected in accordance with Chapter 12 of the Water Quality Rules and Regulations except as follows:
020-11 Wyo. Code R. § 11-59
Amended, Eff. 6/29/2018.