Utah Department of Administrative Services Office of Administrative Rules

Utah Administrative Code

The Utah Administrative Code is the body of all effective administrative rules as compiled and organized by the Division of Administrative Rules (see Subsection 63G-3-102(5); see also Sections 63G-3-701 and 702).

NOTE: For a list of rules that have been made effective since January 1, 2017, please see the codification segue page.

NOTE TO RULEFILING AGENCIES: Use the RTF version for submitting rule changes.

R392. Health, Disease Control and Prevention, Environmental Services.

Rule R392-402. Mobile Home Park Sanitation.

As in effect on January 1, 2017

Table of Contents

R392-402-1. Definitions.

Director - shall mean the Executive Director of the Utah Department of Health.

Mobile Home - shall mean a factory assembled structure or structures equipped with the necessary service connections and made so as to be readily movable as a unit or units on its (their) own running gear and designed to be used as a dwelling unit(s) without a permanent foundation*. A modular home transported on wheels to its foundation shall not be considered a mobile home.

Mobile Home Park - shall mean a parcel (or contiguous parcels) of land which has been so designed and improved that it contains three or more mobile home lots available to the general public for the placement thereon of mobile homes for occupancy.

Service Building** - shall mean a building housing toilets, lavatories, bathing facilities, a service sink, and may also include laundry and other accommodations as may be required. Comfort of the occupant is provided for by adequate heating, lighting and ventilation.

Wastewater - shall mean discharges from all plumbing facilities, such as rest rooms, kitchen and laundry fixtures either separately or in combination.

*The phrase "without a permanent foundation" indicates that the mobile support system is maintained with the intent that the unit may be moved at the convenience of the owner.

**See Service Building.

R392-402-2. General.

2.1 It shall be the duty of each person operating a mobile home park in the State of Utah to carry out the provisions of these regulations. Such person should also have the duty of controlling the conduct of park occupants to this end, and shall make at least one daily inspection of the entire mobile home park for these purposes.

2.2 Severability - If any provision of this code, or its application to any person or circumstance is declared invalid, the application of such provision to other persons or circumstances, and the remainder of this code, shall not be affected thereby.

2.3 Mobile home park sites shall be designed and constructed to provide adequate surface drainage, and shall be isolated from any existing or potential health hazard or nuisance.

2.4 All applicable building, zoning, electrical, health, fire codes and all local ordinances shall be complied with.

R392-402-3. Water Supplies.

3.1 Potable water supply systems for use by mobile home park occupants shall meet the requirements of the State of Utah rules and regulations relating to public drinking water supplies.

3.2 In addition to the requirements of the rules and regulations relating to public drinking water supplies, the design of water system facilities shall be based on the suppliers engineer's estimates, but shall in no case be less than the following:

Source Capacity - 800 gallons per day per mobile home unit, peak daily flow.

Storage Volume - 400 gallons per mobile home unit, average daily flow.

Distribution System Capacity - Shall maintain a water system pressure in excess of 20 psi at all points in the distribution system during peak hourly flow conditions. Non-community systems in remote areas can be exempted from this requirement, on a case-by-case basis, if flow from the system is always unregulated and free-flowing. The peak hourly flow requirements shall meet or exceed those shown on Fig. 3.1.

Other exceptions to the above requirements may be permitted on a case-by-case basis as permitted by the State of Utah public drinking water rules.

3.2.1 The source and storage requirements as indicated above do not include water demands for outside use or fire protection. However, if the culinary system is intended to provide water for such uses, the water requirements indicated above must be appropriately increased. Special information on watering requirements (e.g. area of land to be irrigated) must be provided for Department of Health review.

3.3 Construction of a public drinking water supply system intended to serve occupants of any mobile home park shall not commence until plans prepared by a licensed professional registered engineer (in accordance with Title 58, Chapter 22, Professional Engineers, and Land Surveyors Licensing Act) have been submitted to and approved in writing by the Utah Department of Environmental Quality. Following construction, the system may not be placed in service until a final inspection is made by a representative of the Utah Department of Environmental Quality or local health department having jurisdiction.

3.3.1 All systems must be monitored in accordance with the State of Utah public drinking water rules and in cooperation with the local department having jurisdiction.

3.4 Any culinary system or portion thereof that is drained seasonally must be cleaned, flushed, and disinfected prior to use. Furthermore, a water sample of satisfactory bacteriologic quality, i.e. a sample showing not more than one coliform bacteria per 100 ml sample, must be obtained before being placed into service.

3.4.1 Systems operated on a seasonal basis may be required to sample for bacteriologic analysis at an accelerated frequency as determined by the Director or director of the local health department having jurisdiction.

3.5 In any mobile home park, the following requirements shall apply:

3.5.1 Water service lines shall be made available to each mobile home space in accordance with the requirements of the Utah Plumbing Code and as further required in the following sections.

3.5.2 Shut-off valves on water connections for individual mobile homes shall be of the inverted key pattern stop-and-waste type or an approved anti-siphon yard hydrant.

3.5.3 Water connections serving individual mobile homes shall be at least 4 inches above the surrounding surface and shall be separated at least 5 feet horizontally from the sewer riser for such mobile homes. Water and sewer lines serving mobile home connections shall be separated at least 10 feet horizontally. Water and sewer lines may be installed closer, provided the following is adhered to: The bottom of the water service pipe, at all points, shall be at least 18 inches above the top of the wastewater drainage line at its highest point, and in no instance less than 24 inches horizontal separation. The water service pipe shall be placed on an undisturbed shelf excavated at one side of the common trench. The number of joints in the service pipes shall be kept to a minimum. Materials and joints of both the water and sewer pipe shall be of a strength and durability, and so installed to prevent leakage under adverse conditions.

R392-401-4. Wastewater.

4.1 All wastewater shall be discharged to a public sewer system where accessible and within 300 feet of the mobile home park property line.

4.2 Where connection to a public sewer is not available, wastewater shall be discharged into a wastewater disposal system meeting requirements of the State of Utah rules for waste disposal. Unless water usage rates are available, design shall be based on not less than 400 gallons per day per mobile home unit.

4.3 All plans for the construction or alteration of a wastewater disposal system shall initially be submitted to the local health department having jurisdiction. Where plan approval is required by law to be provided by the State Department of Environmental Quality, such plans will be forwarded by the local authority along with any appropriate comments. Construction or alteration of the disposal system shall not commence until the plans have been approved in writing by the appropriate health agency.

4.3.1 Sewer service shall be made available to each designated mobile home space in accordance with the State of Utah rules for waste disposal.

4.3.2 Sewer risers serving individual mobile homes shall be provided with tight covers when not in use.

4.3.3 A trap is prohibited between the sewer riser and sewer lateral.

4.3.4 The connection and connecting line between the mobile home drain outlet and the sewer riser shall be watertight and self-draining.

4.3.5 The rim of the sewer riser shall not extend more than 4 inches above adjacent ground surface elevations. Surface drainage shall be directed away from the sewer riser. (See also Section 3.5.3.)

R392-402-5. Plumbing, Service Building.

5.1 The minimum plumbing fixtures which shall be available to all park occupants are as follows:


Plumbing Fixtures     Ratio of Plumbing Fixtures
                      Per Number of Park Occupants*

                      Males    Females

Water Closets         1:50     1:25
Urinals               1:50      --
Lavatories            1:50     1:50
Shower**              1:35     1:35

     *Or fraction thereof.  The number of park occupants shall be calculated on the basis of 3.5 persons for each mobile home.
     **Showers are optional, but if provided shall comply with the table.  Water system requirements under Section 3.2 may be modified to compensate for the absence of showers upon approval of the Director.

Service Building

5.2 In any mobile home park which accepts patrons with dependent recreational vehicles or tents, adequate service building facilities shall be provided and shall meet the following requirements:

5.2.1 They shall be located not less than 15 feet and not more than 500 feet from any living spaces served.

5.2.2 They shall be of permanent construction, and be provided with adequate light, heat and ventilation.

5.2.3 They shall be properly maintained and operated with interiors of smooth, moisture resistant materials, to permit frequent washing and cleaning.

5.2.4 They shall be adequately equipped with lavatories and with flush type toilet fixtures to serve all mobile home parking spaces not otherwise provided with such facilities.

5.3 All plumbing in mobile home parks shall comply with provisions of the Utah Plumbing Code, and applicable local plumbing codes. (This section does not apply to individual mobile homes per se.)

5.4 Plumbing fixtures which normally require water for their operation shall be supplied with adequate potable water supply under pressure.

R392-402-6. Operation and Maintenance.

6.1 All buildings, rooms and equipment in service buildings and the grounds surrounding them shall be maintained in a clean and operable condition.

6.2 All necessary means shall be employed to eliminate or control any infestations of insects and rodents within all parts of any mobile home park. This shall include adequate screening, skirting, or other approved control of outside openings in structures intended for occupancy or for food storage.

6.3 Whenever provisions are made for the accommodation of any recreational vehicles, such as travel trailers, camp trailers, truck campers or motor homes, in any mobile home park, such accommodations must conform to the requirements of R392-301.

R392-402-7. Solid Wastes.

7.1 Solid wastes, originating in any mobile home park, shall be stored in a sanitary manner in approved, watertight containers with lids, or the equivalent, approved by the local health department. The containers shall be conveniently located and the contents shall be disposed of in a manner approved by the state or local health department having jurisdiction.

R392-402-8. Swimming Pools.

8.1 Any swimming pool, wading pool or therapy pool made available to occupants of a mobile home park shall comply with R392-302 and with applicable local regulations.


public health, mobile homes

Date of Enactment or Last Substantive Amendment


Notice of Continuation

November 8, 2016

Authorizing, Implemented, or Interpreted Law


Additional Information


For questions regarding the content or application of rules under Title R392, please contact the promulgating agency (Health, Disease Control and Prevention, Environmental Services). A list of agencies with links to their homepages is available at http://www.utah.gov/government/agencylist.html or from http://www.rules.utah.gov/contact/agencycontacts.htm.