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20:54:02:01. Conformance with uniform code -- Exceptions. All plumbing materials and
plumbing systems or parts of plumbing systems installed must meet or exceed the minimum
provisions of the Uniform Plumbing Code, 2015 2024 edition, including Appendices A, B, C, D,
E, and I, K, L, M, N, O, Q, and R, and the Green Plumbing and Mechanical Code Supplement
with the following exceptions:
(1) Sections 103.0 to 107.2, inclusive, Table 104.5 of Chapter 1, 306.2, 307.1, 307.2,
312.12.3, 312.13, 312.14, 313.7, 314.2, 314.3, 317.1(5), 319.1, 408.8, 422.5, 609.5 to 609.7(2),
inclusive, 609.11.1, 609.11.2, 609.12 to 609.12.2, inclusive, 710.1, 713.3, 713.5, 714.4, 714.5,
716.1, 721.2, 722.2 to 723.1, inclusive, 802.1, 811.5, 814.2, 814.2.1, 904.2, 1101.5 to 1101.11,
inclusive, 1101.15, to 1101.15.3, inclusive, Chapter 5, Chapter 12, Chapter 13, Chapter 14,
Chapter 15, Chapter 16, Chapters 12 to 14, inclusive, Table C 401.1 of Appendix C, Sections E
401.1 to E 415.4, inclusive, of Appendix E, inclusive, Appendix F, Appendix G, Appendix H,
Appendices F to H, inclusive, Appendix J, Appendix K, and Appendix L, Appendix P, and
Appendix S. The Green Plumbing and Mechanical Code Supplement is deemed to be a non-
mandatory referenced standard and is applicable only when plumbing systems or installation
methods are not referenced in the 2015 edition of the Uniform Plumbing Code;
(2) The words "or repair" and "or repairs" are removed from section 102.4;
(3) The sentence "Cap close to main and abandon the rest." is added as the last sentence of
section 309.6;
(3)(4) The words "Voids around piping passing through concrete floors on the ground
shall be appropriately sealed." are removed from section 312.1;
(4)(5) The word "water," is removed from the first sentence of section 312.6; and the
following words are added to section 312.6: "No water piping shall be installed in an exterior
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wall or unheated attic. An exterior wall includes any wall between a heated space and an
unheated space. Water service piping must be installed with a minimum earth cover of 72 inches.
Building sewers must be installed with a minimum earth cover of 42 inches. Building sewers on
septic systems may be installed at any depth that will accommodate the burial depth of the septic
tank. If the building sewer is installed at a depth less than 30 inches, the pipe shall be protected
from freezing with a minimum of 3 inches of foam insulation above and below two feet of
overhang on each side of the pipe." is added to section 312.6;
(5)(6) The words "1 and Chapter 14, "Firestop Protection"" are removed from section
312.7;
(6)(7) The words "Fuel gas piping shall be protected in accordance with Section 1210.4.3”
are removed from section 312.9;
(7)(8) The words "or wrapped" are added after the word "bored" in section 312.10;
(8)(9) The words "metal" and "securely fastened to the adjoining structure" are removed
from section 312.12.2;
(9)(10) The words "and in gas piping as permitted by section 1212.5 1212.6" are removed
from section 315.1;
(11) The words "closet bends or stubs shall be cut off so as to present a smooth
surface even with the top of the closet ring before rough inspection is called" are changed to
"The top of the closet flange shall be installed above the finished floor not to exceed three-eights
three-eighths of an inch thick" in section 402.6.1;
(12) The words "except for guest rooms in hotels, motels, dormitories, boarding houses,
and similar occupancies, which may be round." is added at the end of the second sentence in
section 411.1;
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(13) The words "except closed front seats are permitted in hotels, motels, guest rooms,
dormitories, boarding houses, and similar occupancies" are added to the end of the second
sentence in section 411.3;
(12)(14) The words "(5) In all mechanical rooms. The floor shall, and floors must slope
toward the floor drain." are added to section 418.3;
(15) The words "(6) In the lowest level." are added to section 418.3;
(10)(16) The word "shall" is changed to "may" in section 407.4 and footnote 6 of Table
422.1;
(17) The words "Unless separate facilities are required by state law," are added to the
beginning of section 422.2(4);
(13)(18) The words "A dual check backflow preventer which that conforms to ASSE 1024
shall must be installed on the building side immediately downstream of the water meter where
the water service enters the building." are added to section 602.3;
(14)(19) The words "Copies of testable backflow preventer assembly test reports for the
initial installation shall be sent to the water supplier. Copies of annual testable backflow
preventer test reports shall must be sent to the water supplier. A testable device is a device with
atmospheric vents, test ports, or both assembly has properly located, resiliently seated test cocks
and tightly closing, resiliently seated shut off valves at each end of the assembly." are added to
section 603.4.2;
(15)(20) The words "Water-to-water heat exchangers that return the water back to the
public system of waterworks may not be allowed on a public water system unless approved by
the Authority Having Jurisdiction" are added to section 603.5.4. and
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(21) "Section 505.4.1" is changed to "Sections C 302.0 to C 302.3, inclusive, of Appendix
C" in section 603.5.4;
(16)(22) The words "Unlessunless they are installed above the known groundwater table,
they are installed at least 10 ten feet away from any sewer line or any other source of
contamination, and they are installed only on seasonal-use facilities" are added to the end of
section 603.5.17;
(17)(23) The words "or underground outside of structures" are removed from section
604.3;
(18)(24) The words sentence "This does not apply to electric water heaters." Are is added
to the end of section 604.13;
(19)(25) The words "primer purple in color" are changed to "primer approved primer" in
section 605.12.2;
(26) The word "discharge" is changed to "inlet" in the first sentence of section 606.2;
(20)(27) The words sentences "Individual shutoff valves shall be installed on each
plumbing fixture and each exterior hose bib. Exception: In, except in single family dwellings,
individual valves are not required on tub valves, shower valves, and exterior hose bibs." are
added to the end of section 606.5;
(21)(28) The word "provided" is changed to "approved primer" in section 608.5;
(22)(29) The words "or outside of the building with the end of the pipe not exceeding 2
feet (610 MM mm) and not less than 6 inches (152 MM mm) above the ground and pointing
downwards" are removed from section 608.5(3);
(23)(30) The word "prohibited" is changed to "permitted" in section 608.5(7);
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(24)(31) The words sentences "Building supply yard piping shall be not less than 12
inches (305 mm) below the average local frost depth. The cover shall be not less than 12 inches
(305 mm) below finish grade." are removed from section 609.1;
(25)(32) The words "Potable water service piping shall may not be located in, under, or
above cesspools, septic tanks, septic tank drainage fields, or drainage pits. A separation of 25
twenty-five feet shall must be maintained from such these systems, except for livestock
confinement facilities, which may be 3 three feet" are added to section 609.2(2);
(26)(33) The words "shall not” is replaced with “may" in section 609.4;
(34) The word “shall” is replaced with “may” in section 609.5;
(27)(35) The words sentence "Dwellings units are exempt from this requirement unless
an expansion tank is installed." are is added to the end of 609.10 section 609.11;
(28)(36) The words "The minimum size water service allowed is 1 one inch, except to
travel trailer or mobile home sites, which shall be not less than 3/4 must be at least three-fourths
inch of an inch." are added to section 610.1;
(29)(37) The words "Plastic pipe and fittings installed underground outside of buildings
may be SDR 35 ASTM 3034 or heavier" are added to section 701.2 and the words "and Chapter
14 'Firestop Protection'" are removed from section 701.2(2);
(30)(38) The words "tubular PVC or tubular ABS" arc are added after "(0.8 mm)" in
section 701.4;
(31)(39) The words sentence "Not to exceed one-third of the total permitted length of a
vent shall be permitted to be installed in a horizontal position." are is removed from "Note 6"
under Table 703.2;
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(40) The words "except commercial dishwashing machines must be provided with
indirect wastes" are added to the end of the first sentence to section 704.3;
(32)(41) The words " primer purple in color" are changed to "primer approved primer" in
section 705.5.2 705.6.2;
(33)(42) The words sentence "Exception: 1/4 one-quarter bends may be used on
individual fixture drains for horizontal to vertical, horizontal to horizontal, and vertical to
horizontal changes in direction." are is added to the end of section 706.1;
(34)(43) The words sentence "(5) Where the piping is concealed, a fixture trap or a fixture
with integral trap, readily removable without disturbing concealed roughing work, shall be is
accepted as a cleanout equivalent." are is added to the exceptions in section 707.4(4) 707.4;
(35)(44) The words "and gate valve" are removed from section 710.3(2);
(36)(45) The words Section 712.1 is revised as follows:
(a) The words "except plastic pipe shall not be tested with air" are removed;
(b) The sentence "After the plumbing fixtures have been set and their traps filled with
water, they shall be submitted to a final test" is removed;
(c) The following sentences are added at the end: "Where the Administrative Authority,
due to practical difficulties or hardships, finds that a water or air test cannot be
performed, a smoke or peppermint test shall must be substituted in lieu thereof. A
smoke test shall be is made by introducing into the entire system a pungent, thick
smoke proceeded produced by one or more smoke machines. When the smoke
appears at stack openings on the roof, they shall the stack openings must be closed,
and at with a pressure equivalent to a one-inch water column shall be developed and
maintained for the period of during the inspection. A peppermint test shall be is
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conducted by the introduction of two ounces of oil of peppermint into the roof
terminal of every line or stack to be tested. The oil of peppermint shall be is
immediately followed at once by 10 ten quarts of hot water, whereupon all roof vent
terminals shall be are sealed. A positive test which reveals leakage shall be the The
detection of the odor of peppermint at any trap or other point on the system is a
positive test result revealing leakage. Oil of peppermint of persons Anyone whose
person or clothes have come in contact with oil of peppermint shall must be excluded
from the test area." are added to section 712.1;
(37) The words "After the plumbing fixtures have been set and their traps filled with
water, they shall be submitted to a final test" are removed from section 712.1;
(38)(46) "5 five feet (1524 mm)" is changed to "15 fifteen feet" in section 801.4;
(39)(47) The following words are added to section 801.7: "Drip pans shall must be
installed under storage-type water heaters to prevent tank leakage from causing property damage.
Exceptions, except that drip pans are not required in:
1. The lowest level of buildings, provided that the floor is concrete or other material
that will not be is not damaged or deteriorated by water leakage from the tank;
2. Crawl spaces;
3. Spaces having floor drainage that will collect collects leakage from the tank; and
4. Locations where tank leakage will does not damage the building or its contents.
Drip pans shall must be watertight and constructed of corrosive-resistant materials.
Metallic pans shall must be 24 twenty-four gauge minimum. Non-metallic pans shall must be
.0625 inches one-sixteenth of an inch minimum thickness. Pans shall be may not be less than 1-
1/2 one and one-half inches deep and shall must be of sufficient size to hold the heater without
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interfering with drain valves, burners, controls, and any required access. High impact plastic
pans shall be are permitted under gas-fired water heaters where the heater is listed for zero
clearance for combustible floors and the application is recommended by the pan manufacturer.
Drip pans shall must have drain outlets not less than 1 one inch in size, with indirect drain pipes
extending to an approved point of discharge";
(40)(48) The words In section 807.3, the sentences "No domestic dishwashing machine
shall be directly connected to a drainage system or food waste disposer without the use of an
approved dishwasher airgap fitting on the discharge side of the dishwashing machine. Listed
dishwasher air gap fittings shall be installed with the flood level (FL) marking at or above the
flood level of the sink or drainboard, whichever is higher." are changed to "The discharge from a
residential kitchen sink and dishwasher may discharge through a single 1½ one and one-half
inch trap. The discharge line from the dishwasher shall be not less than ½ must be at least one-
half inch nominal size and shall either be looped up and securely fastened to the underside of the
counter or be connected to a deck-mounted dishwasher air gap fitting. The discharge shall then
be connected must connect to a wye fitting between the sink waste outlet and the trap inlet or to
the disposal." in section 807.3;
(41) (49) The words sentence “and Chapter 14 "Firestop Protection ABS and PVC DWV
piping installations shall be in accordance with Chapter 14 "Firestop Protection." are is removed
from section 903.1(2);
(42) (50) The In section 906.7, the words "Where frost or snow closure is likely to occur
in locations having minimum design temperature below 0◦F (-17.8◦C), vent terminals shall be a
minimum of two (2) inches (51mm) 3 inches (76 mm) in diameter but in no event smaller than
the required vent pipe. The change in diameter shall be made inside the building not less than 1
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foot (305mm) below the roof in an insulated space and terminate not less than 10 inches
(254mm) above the roof, or in accordance with the Authority Having Jurisdiction" are changed
to "Each vent extension through a roof shall must be at least 3 three inches in diameter, except
kitchen sink vents in single-family dwellings, which shall must be at least 2 two inches in
diameter. The change in diameter shall must be made inside the building at least 1 one foot
below the roof with an approved fitting" in section 906.7;
(51) Reserved.
(52) Reserved.
(53) Reserved.
(43) (54) The following words are added as an additional paragraph to the end of section
909.1: "Alternate island sink installations require a minimum of a 3- three-inch diameter drain,
undiminished in size, which shall rise rises up through the sink cabinet and is capped off as high
as possible. The vent shall connect no may not connect further than 15 fifteen feet from the
vertical section of the drain and shall must be a minimum of 1½ one and one-half inch in
diameter. A 3x3x1½- three by three by one and one-half inch sanitary tee is required for
connection to the trap." are added to section 909.1;
(44) (55) The words sentences "Exception: In single family dwellings the maximum
length for of a floor drain that is connected to a uniformly sized building drain and vented on
both the upstream and downstream side sides of the connection to the floor drain is 15 fifteen
feet. The minimum trap seal shall be 4 is four inches." are added to section the end of sections
418.6 and 910.1;
(45) (56) The words "17 B&S Gauge" is are changed to "20 B&S Gauge" and the words
"(0.045 inch) (1.143 mm)" are deleted from section 1003.1;
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(46) (57) The words sentence "Slip joint extensions with 45 forty-five degree slip joint
offsets are allowed." are is added to the end of section 1003.2;
(47) (58) The words sentence "The trap shall be the same size as the trap arm to which it
is connected." are is removed from section 1003.3;
(48) (59) The words sentence "Floor drains in garages serving dwelling units for parking
purposes that are connected to a building sanitary sewer shall have a means of collecting
sediment and shall be provided with a water trap seal." are is added to the end of section 1016.3;
and
(49) (60) The words sentence "ABS and PVC DWV piping installations shall be installed
in accordance with applicable standards referenced in Chapter 17 and Chapter 14 "Firestop
Protection."'" are is removed from section 1101.4;
(50) The number "20" is removed from Table C304.2 in Appendix "C".
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 14 SDR 29, effective September 3, 1987; 15 SDR 136,
effective March 15, 1989; 16 SDR 88, effective November 12, 1989; 17 SDR 75, effective
December 3, 1990; 19 SDR 36, effective September 17, 1992; 20 SDR 29, effective September
1, 1993; 21 SDR 40, effective September 4, 1994; 23 SDR 83, effective November 28, 1996; 24
SDR 19, effective August 21, 1997; 26 SDR 33, effective September 12, 1999; 29 SDR 52,
effective October 20, 2002; 30 SDR 99, effective December 22, 2003; 31 SDR 35, effective
September 23, 2004; 35 SDR 67, effective October 1, 2008; 37 SDR 48, effective September 21,
2010; 38 SDR 40, effective September 20, 2011; 41 SDR 219, effective July 2, 2015; 43 SDR
31, effective Septemer September 12, 2016; 45 SDR 91, effective January 9, 2019; 46 SDR 29,
effective September 5, 2019.
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General Authority: SDCL 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.
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CHAPTER 20:54:19
WATER CONDITIONING DEFINITIONS
20:54:19:01. Definitions. Terms defined in SDCL 36-25-1 and Chapter 2 of the Uniform
Plumbing Code, 2015 2024 edition, have the same meaning when used in chapters 20:54:19 to
20:54:28, inclusive. The following terms have the meaning indicated when used in these chapters
chapters 20:54:19 and 20:54:28, inclusive:
(1) "Administrative authority," the individual official, board, department, or agency,
established and authorized by a state, county, city, or other political subdivision, created by law
to administer and enforce the provisions of the state plumbing code, as adopted or amended
article 20:54;
(2) "Acid neutralizer," see neutralizer;
(3) "Absorption," the physical, electrostatic, surface attraction of an absorbent for
molecules of a gas, liquid, dissolved or suspended substance;
(4) "Backwash filter," any filter requiring reverse flow for maintenance;
(5) "Brine," a solution of sodium chloride or salt used for regenerating water softeners;
(6)(2) "Bypass," a connection or a valve system that allows raw water to be supplied
while the water conditioner is being cleaned or serviced or the media changed;
(7) "Calcium," one of the principal elements making up the earth's crust, the compounds
of which when dissolved in water make the water hard. The presence of calcium in water is a
factor contributing to the formation of scale and insoluble soap curds which are means of clearly
identifying hard water;
(8) "Calcium carbonate equivalent," a term used for expressing all forms of hardness and
other salts in the same terms;
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(9)(3) "Capacity," an amount expressed in total gallons of water treated, meeting the a
manufacturer's specifications and produced in a defined period of time;
(10) "Cartridge," a removable preformed or prepackaged component containing the filter
media;
(11) "Cartridge filter," a filter using a cartridge or cartridges;
(12)(4) "Cation exchange," in water softening, principally the exchange of calcium and
magnesium ions in water for sodium ions on an insoluble ion exchange material;
(13) "Color throw," the imparting of color by any part of a water softener to the effluent
during any state of the operating cycle;
(13-A) "Commission," the State Plumbing Commission;
(14)(5) "Corrosion," the attack by water on any part of a water system, causing the
wasting away of metal parts;
(15) "Cubic feet," the volumetric unit used for measuring ion exchange materials,
measured on an in-place, back-washed, drained, and settled condition;
(16)(6) “Disinfection," the process of destroying harmful microorganisms, done in
accordance with § 609.9 section 609.10 of the Uniform Plumbing Code, 2015 2024 edition;
(17) "Distributors," devices to distribute or collect the water;
(18)(7) "Drain line," a line used to carry backwash water, spent regenerant, and rinse
water to the a waste system;
(19)(8) "Effluent," the water or solution which that emerges from a water conditioner
during any phase of the operating cycle;
(20)(9) "Filter," a device installed as part of the a water system through which water
flows for the removal of turbidity, taste, color, or odor;
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(21) "Filter area," the effective cross sectional area applicable to the surface filter media
only, usually expressed in square feet;
(22) "Filter medium or filter media," see medium;
(23) "Flow rate," the quantity of water or regenerant flowing, or both, measured in
gallons per minute;
(24) "Gpg," grains per gallons;
(25) "Grains per gallon," a common basis of reporting water analysis in the United States
and Canada in which one grain per United States gallon equals 17.1 milligrams per liter or 17.1
parts per million and one grain per imperial gallon equals 14.3 milligrams per liter or 14.3 parts
per million. One grain is 0.007 or 0.064 grams;
(26) "Gpm," gallons per minute;
(27)(10) "Hardness," dissolved calcium and magnesium salts in water, usually expressed
in grains per gallon as calcium carbonate equivalent;
(28) "Hardness leakage," calcium and magnesium present in water after passing through a
water softener;
(29) "Hard water," water containing calcium and magnesium salts in concentration of one
grain per gallon or more as calcium carbonate equivalent;
(30)(11) "Installation," the piping or valving by which water conditioners are connected
into the water supply system, including a drain line;
(31)(12) "Ion exchange," a process whereby ions in solution are interchanged by a
reactive material. See ion exchanger;
(32) "Ion exchanger," an insoluble reactive material capable of interchanging ions
combined with the material for ions in the solution;
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(33) "Iron," an element often present in ground waters in a soluble form, such as ferrous
bicarbonate, in quantities usually ranging from zero to ten parts per million;
(34) "Magnesium," one of the elements making up the earth's crust, the compounds of
which when dissolved in water make the water hard;
(35) "Manganese greensand," a processed, natural alumino silicate, converted to the
oxidized manganese form, which is a granular material, generally used for the removal of iron or
sulphides, in oxidizing filters;
(36) "Manganese zeolite," a processed natural or synthetic alumino silicate, converted to
the oxidized manganese form. See manganese greensand;
(37) "Media," plural of medium;
(38)(13) "Medium," the active material in a filter;
(39) "Micron," a linear measure of size 0.001 one thousandth of a millimeter, denoted by
the Greek letter symbol µ, used in filtration work to define particle size, referring to the diameter
or the largest dimension of the particle; also used to measure the size of pores, openings, or wire
mesh;
(40) "Neutralizer" or "neutralizing filter," a type of filter mainly used to neutralize acidity
or reduce free carbon dioxide in water;
(41) "Operating pressure," the pressure range within which equipment properly functions;
(42) "Ppm," parts per million;
(43) "Psi," pounds per square inch;
(44) "Parts per million," a common basis of reporting water analysis in the United States
and Canada in which one part per million or ppm equals one pound per million pounds of water;
16
17.1 ppm equals one grain per United States gallon; 14.3 ppm equals one grain per imperial
gallon. The metric equivalent is milligrams per liter;
(45) "pH value," a number denoting alkalinity or acidity. Numbers below seven indicate
acidity, which increases as the number becomes smaller. Numbers above seven indicate
alkalinity, which increases as the number becomes larger. The pH scale runs from zero to
fourteen. Seven is the neutral point;
(46) "Precoat," the application of a loose filter medium to a supporting membrane;
(47) "Pressure drop or pressure loss," a differential in pressure during flow due to
frictional resistance in the system. It may be expressed in pounds per square inch or psi of feet of
head of water;
(48) "Rated service flow," the manufacturer's specified maximum flow at which the
conditioner will deliver water for a minimum period of 10 minutes at a pressure drop not to
exceed 15 psi;
(49) "Rated softening capacity," softener capacity rating based on grains of hardness
removed, as calcium carbonate, while producing soft water between successive regenerations,
related to pounds of salt required for each regeneration;
(50)(14) "Raw water," water at the inlet of the water treating unit;
(51)(15) "Regeneration," in general, the backwash, brine, and fresh water rinse, and
maintenance steps necessary to prepare the an exchanger bed for service after exhaustion.
Specifically, and specifically, the "brine" step in which a sodium chloride solution is passed
through the exchanger bed and the sodium ions displace the hardness ions from the exchanger to
permit the hardness to be rinsed to drain. Also includes maintenance steps;
17
(52) "Resin," the term used to designate a synthetic organic ion exchange material such as
high capacity cation exchange resin widely used in water softeners;
(53)(16) "Rinse," that part of the cycle of a water conditioner operation where in which
water is introduced to remove spent backwash water or regenerant, or both, prior to placing the
conditioner into service;
(54) "Salt," high purity sodium chloride in a granular, rock, or briquetted form used for
regenerating a water softener;
(55) "Service run," that part of the operating cycle of a water conditioner in which the
raw water supply is passed through a conditioner, thereby producing quality water;
(56) "Shielded" or "insulated," the separation of metallic parts by a nonconductor;
(57)(17) "Soft water," water containing less than one grain per gallon of dissolved
calcium and magnesium salts, as calcium carbonate equivalent;
(58) "Suspended matter," all undissolved material in water;
(59)(18) "Turbidity," the term used to define any undissolved materials in water, such as
finely divided particles of sand or clay; and
(60) "U," see micron;
(61) "Upflow," a term applied to designate the upward direction in which water flows
through the ion exchange during any phase of the operating cycle;
(62)(19) "Water softener," a device installed as part of a water system, which produces
soft water by cation exchange, removing calcium and magnesium or hardness from flowing
water, and replacing it with sodium, thereby requiring periodic regeneration with sodium
chloride or salt;
18
(63) "Zeolite," a processed natural or synthetic alumino silicate. See also manganese
greensand, manganese zeolite.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Cross-Reference: Definitions, § 20:53:04:01 20:53:01:01.
Reference: Uniform Plumbing Code, 2015 2024 edition, International
Association of Plumbing and Mechanical Officials. Copies may be obtained from the
International Association of Plumbing and Mechanical Officials, 5001 East Philadelphia Street,
Ontario, CA 91761. Cost $143. Copies may be viewed free of charge at
https://epubs.iapmo.org/2024/UPC/.
19
20:54:20:11. Minimum standards. All water conditioning treatment equipment shall must
meet the Mandatory Referenced Standards, Table 1701.1, of the Uniform Plumbing Code, 2015
2024 edition.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective
September 20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International
Association of Plumbing and Mechanical Officials. Copies may be obtained from the
International Association of Plumbing and Mechanical Officials, 5001 East Philadelphia Street,
Ontario, CA 91761. Cost $143. Copies may be viewed free of charge at
https://epubs.iapmo.org/2024/UPC/.
20
20:54:21:01. Materials used in installation. Materials used in installation of water
conditioning and treatment equipment must conform to Section 604.0, Materials, of the Uniform
Plumbing Code, 2015 2024 edition.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, the 2015 2024 edition, International
Association of Plumbing and Mechanical Officials. Copies may be obtained from the
International Association of Plumbing and Mechanical Officials, 5001 East Philadelphia Street,
Ontario, CA 91761. Cost $143. Copies may be viewed free of charge at
https://epubs.iapmo.org/2024/UPC/.
21
20:54:21:03. Approved materials. Water conditioning and treatment equipment contractors
will be are bound by any changes made by the administrative authority pertaining to materials
used to install water conditioning and treatment equipment. All materials used in installing water
conditioning and treatment equipment must conform to Section 604.0, Materials, of the Uniform
Plumbing Code, 2015 2024 edition.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International
Association of Plumbing and Mechanical Officials. Copies may be obtained from the
International Association of Plumbing and Mechanical Officials, 5001 East Philadelphia Street,
Ontario, California 91761. Cost $143. Copies may be viewed free of charge at
https://epubs.iapmo.org/2024/UPC/.
22
20:54:22:02. Types of joints. Types of joints must follow section 605 of the 2024 Uniform
Plumbing Code. shall conform to the following standards:
(1) Threaded joints or screwed joints must conform to section 605.1.5 of the Uniform
Plumbing Code, 2015 edition;
(2) Soldered or sweat joints for tubing must conform to section 605.1.4 of the Uniform
Plumbing Code, 2015 edition;
(3) Flared joints for soft-copper water tubing must conform to section 605.1.2 of the
Uniform Plumbing Code, 2015 edition;
(4) ABS and PVC pipe shall be joined by either threaded or solvent weld type fittings or
a flexible neoprene compression gasket approved by the administrative authority. No threaded
joint may be made on schedule 40 pipe. Polyethylene pipe shall be joined either by serrated
insert and clamp type fittings with all clamping bands and tightening screws made of stainless
steel, or flared with compression fitting.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
23
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.
24
20:54:22:03. Use of joints. Joints in copper tubing above ground shall must be made either by
the use of using brass or wrought copper water fittings sweated or soldered together, or by means
of compression fittings, as provided in section 605.0 of the Uniform Plumbing Code, 2015
2024 edition. Joints in copper tubing under ground shall be made with approved compression
fittings as provided in must conform to section 605.7.1.1 609.3(2) of the Uniform Plumbing
Code, 2015 2024 edition.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective
September 20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.
25
20:54:25:02. Approval of devices. Before any device for the prevention of backflow or
backsiphonage is installed, it must have first been certified as meeting the requirements of
section Section 603.2, Approval of Devices or Assemblies, of the Uniform Plumbing Code, 2015
2024 edition. Devices Any person in control of a device that is installed in a potable water supply
for protection against backflow must be maintained maintain the device in good working
condition by the person or persons in control of the devices. The administrative authority having
jurisdiction may inspect such devices the device and, if they are it is found to be ineffective or
inoperative, shall require their the administrative authority must require replacement of the
device.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.
26
20:54:25:03. Backflow. The water-distributing system and each water outlet must be protected
against backflow. Each water outlet must be protected from backflow, preferably by having the
outlet end from which the water flows The water outlet must:
(1) Have the outlet end from which the water flows spaced a distance above the flood-
level rim of the receptacle into which the water flows that, which is sufficient to provide a
minimum air gap as required in Table table 603.3.1 of the Uniform Plumbing Code, 2015
2024 edition.; or
(2) If it is not possible to provide a minimum air gap, the water outlet must be equipped
with an accessible backflow preventer complying installed on the discharge side of the manual
control valve, which complies with section 603.2 of the Uniform Plumbing Code, 2015
2024 edition, installed on the discharge side of the manual control valve.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 23 SDR 83, effective November 28, 1996; 29 SDR 52, effective
October 20, 2002; 30 SDR 99, effective December 22, 2003; 38 SDR 40, effective September
20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.
27
20:54:26:04. Procedure for sizing water conditioning and treatment equipment for
domestic or commercial application. All pipe and fittings used for installation of water
conditioning and treatment equipment for domestic and commercial applications must conform
to section 604.0 of the Uniform Plumbing Code, 2015 2024 edition. Water conditioning and
treatment equipment must be provided with full flow control/ or bypass valves to ensure
minimum pressure loss.
Source: SL 1975, ch 16, § 1; 12 SDR 91, effective December 2, 1985; 12 SDR 151, 12
SDR 155, effective July 1, 1986; 14 SDR 29, effective September 3, 1987; 23 SDR 83, effective
November 28, 1996; 29 SDR 52, effective October 20, 2002; 30 SDR 99, effective December 22,
2003; 38 SDR 40, effective September 20, 2011; 43 SDR 31, effective September 12, 2016.
General Authority: SDCL 36-25-14, 36-25-15.
Law Implemented: SDCL 36-25-15.
Reference: Uniform Plumbing Code, 2015 2024 edition, International Association of
Plumbing and Mechanical Officials. Copies may be obtained from the International Association
of Plumbing and Mechanical Officials, 5001 East Philadelphia Street, Ontario, CA 91761. Cost
$143. Copies may be viewed free of charge at https://epubs.iapmo.org/2024/UPC/.