Wyoming Administrative Code › Agency 020 - Environmental Quality, Dept. of › Sub-Agency 0011 - Water Quality › Chapter 11 - DESIGN AND CONSTRUCTION STANDARDS FOR SEWERAGE SYSTEMS, TREATMENT WORKS, DISPOSAL SYSTEMS OR OTHER FACILITIES CAPABLE OF CAUSING OR CONTRIBUTING TO POLLUTION AND MOBILE HOME PARK AND CAMPGROUND SEWERAGE AND PUBLIC WATER SUPPLY DISTRIBUTION SYSTEMS › Part F - MOBILE HOME PARK AND CAMPGROUND SEWERAGE AND PUBLIC WATER SUPPLY DISTRIBUTION SYSTEMS › Section 11-59 - Potable Water Supply Standards

Current through July 13, 2024
(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:
(i) The water supply source shall be capable
				  of supplying the peak water demand to a mobile home park distribution system
				  according to the following table:
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.