<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="UTF-8" /><title></title><meta name="Generator" content="PowerTools for Open XML" /><style>span { white-space: pre-wrap; } p.s723f62e1-4374-49f5-a5ab-4056697aad18P0 { margin-top: 0; margin-bottom: 0; margin-left: 0; margin-right: 0; text-indent: 0.00in; text-align: justify; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; line-height: 108%; } span.s723f62e1-4374-49f5-a5ab-4056697aad18C0 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s723f62e1-4374-49f5-a5ab-4056697aad18C0-000000 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001 { background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: bold; margin: 0; padding: 0; } span.s723f62e1-4374-49f5-a5ab-4056697aad18000002 { background: white; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s723f62e1-4374-49f5-a5ab-4056697aad18C0-000003 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; font-style: normal; font-weight: normal; margin: 0; padding: 0; } span.s723f62e1-4374-49f5-a5ab-4056697aad18C2 { color: #0000FF; background: white; font-family: 'Times New Roman', 'serif'; font-size: 12pt; text-decoration: underline; font-style: normal; font-weight: normal; margin: 0; padding: 0; } </style></head><body><div><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    </span><a href="https://sdlegislature.gov/Rules?Rule=20:54:25:03"><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000000">20:54:25:03</span></a><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">.  Backflow.</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> The water-distributing system </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">and each water outlet </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">must be protected against backflow. </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">The water outlet must:</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18000002"> </span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    (1)  Have the outlet end from which the water flows </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">spaced a distance above the flood-level rim of the receptacle into which the water flows</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">,</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">which </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">is sufficient to provide a minimum air gap as required in </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">t</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">able 6</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">0</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">3</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">.3.1</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> of the Uniform Plumbing Code, 20</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">24</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> edition</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">; or</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> </span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18000002"> </span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    (2)  </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">If it is not possible to provide a minimum air gap, be equipped with an accessible backflow preventer </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">installed on the discharge side of the manual control valve, which complies</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> with section 603.</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">2</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> of the Uniform Plumbing Code, 20</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">24</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> edition.</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18000002"> </span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">Source:</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> 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</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">; 52 SDR 42, effective October 28, 2025</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">.</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">General Authority:</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=36-25-15"><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000003">36-25-15</span></a><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">.</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">Law Implemented:</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> SDCL </span><a href="https://sdlegislature.gov/Statutes?Statute=36-25-15"><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000003">36-25-15</span></a><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">.</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18000002"> </span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">    </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">Reference:</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> </span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0-000001">Uniform Plumbing Code</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">, 20</span><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">15</span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0"> 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. </span><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">Copies may be viewed free of charge at </span><a href="https://epubs.iapmo.org/2024/UPC/"><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C2">https://epubs.iapmo.org/2024/UPC/</span></a><span class="s723f62e1-4374-49f5-a5ab-4056697aad18C0">.</span></p><p dir="ltr" class="s723f62e1-4374-49f5-a5ab-4056697aad18P0"><span xml:space="preserve" class="s723f62e1-4374-49f5-a5ab-4056697aad18000002"> </span></p></div></body></html>