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<a href="https://www.siouxfalls.gov/health-safety/emergency-management" > Emergency Management </a> <span class='nav-separator' role="presentation">/</span> </span> <span class="current-page" role="listitem" >Flooding and Flash Flooding</span> </span> </div> </div> <div class="col-xs-12"> <div class="main-inner-container"> <div class="grid"> <div class="col-lg-4"> <div id="sub-navigation-outter-container" role="navigation" aria-label="Section Navigation">   <div id="sub-navigation-container"> <p class="sub-nav-header" role="heading" aria-level="2" id="in-this-section" > In This Section </p> <ul><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/police" target="">Police</a> </li><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/animal-control" target="">Animal Control</a> </li><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/fire" target="">Fire Rescue</a> </li><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/health-services" target="">Health Services</a> </li><li class='nav-level-1 nav-active-path nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/emergency-management" target="">Emergency Management</a> <ul><li class='nav-level-2 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/how-to-prepare" target="">How to Prepare</a> </li><li class='nav-level-2 '> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/local-hazards" target="">Local Hazards</a> </li><li class='nav-level-2 '> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/snow" target="_self">Snow & Cold Weather</a> </li><li class='nav-level-2 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/public-safety-campus" target="">Public Safety Campus</a> </li><li class='nav-level-2 '> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/Traffic-Cameras" target="_blank">Traffic Cameras</a> </li><li class='nav-level-2 nav-active-path nav-active-page nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/flood" target="">Flooding and Flash Flooding</a> <ul><li class='nav-level-3 '> <a href="https://www.siouxfalls.gov/health-safety/emergency-management/flood/cleanup" target="">Flood Cleanup</a> </li></ul> </li></ul> </li><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/code-enforcement" target="">Code Enforcement</a> </li><li class='nav-level-1 nav-has-children'> <a href="https://www.siouxfalls.gov/health-safety/metro-communications" target="">Metro Communications</a> </li></ul> </div> </div> </div> <div class="col-xs-12 col-lg-8"> <div id="main-content" class="main-container clearfix">  <h1 class='oc-page-title '>Flooding and Flash Flooding</h1> <p>The City’s Emergency Management team is prepared to respond to floods and flash floods in Sioux Falls. Flooding typically happens during times of heavy rainfall or rapid snowmelt.</p> <p> </p> <div data-type="0" data-title-level="3" class="oc-wysiwyg-container"> <div class="oc-wysiwyg-container-panel"> <h3>Timeline</h3> <div class="oc-wysiwyg-container-panel-content"> <h3>Friday, June 21</h3> <ul> <li>The National Weather Service issued a Flash Flood Warning for the area until 9:15 AM. CDT.</li> <li>City activated its Emergency Operations Center (EOC) in response to flash flooding.  Last activated in April 2024 in response to a 911 outage, the EOC is used to easily collaborate with city departments and partner agencies and respond accordingly for a variety of events. </li> </ul> <h3>Saturday, June 22</h3> <ul> <li>The City’s wastewater system began running over capacity, approximately 4x the normal flow. Minor amounts of untreated wastewater, heavily diluted by rain, began being discharged into the Big Sioux River. </li> <li>City issued an emergency declaration, which enables city teams to rapidly acquire resources needed to support this emergency response.   </li> <li>City recommends residents conserve water use. </li> </ul> </div> </div> </div> <h2>Park and Trail Closures Map</h2> <p><iframe src="https://cityofsfgis.maps.arcgis.com/apps/webappviewer/index.html?id=b817a64bf9244eeba33b4b94f182258a" width="100%" height="500px"></iframe></p> <p><a href="https://cityofsfgis.maps.arcgis.com/apps/webappviewer/index.html?id=b817a64bf9244eeba33b4b94f182258a" target="_blank">Open map in new window</a></p> <div data-layout="2" data-title-level="3" class="featured-links featured-links-option-2"> <h3 class="featured-links-title">511 Updates</h3> <div class="featured-links-body clearfix"> <ul class="clearfix"> <li><a class="featured-link" href="https://www.sd511.org" target="_blank">South Dakota</a></li> <li><a class="featured-link" href="https://www.511mn.org" target="_blank">Minnesota</a></li> <li><a class="featured-link" href="https://www.511ia.org" target="_blank">Iowa</a></li> </ul> </div> </div> <p><div class="oc-quick-list oc-quick-list-stream oc-quick-list-stream-1 clearfix"><h2>Latest Updates</h2><div class="list-container left" role="list"><div class="list-item-container" role="listitem"> <article> <a href="https://www.siouxfalls.gov/news/2024/06/26/20240626-fema-reporting" target=""> <H3 class="list-item-title"> Residents Asked to Report Flood Damage for Potential FEMA Help </H3> <p> This is the first step in the process to gain a federal disaster declaration for FEMA assistance. If the criteria are met, affected residents could receive financial help for flood damage. </p> </a> </article> </div><div class="list-item-container" role="listitem"> <article> <a href="https://www.siouxfalls.gov/news/2024/06/25/20240625-parks" target=""> <H3 class="list-item-title"> Parks and Recreation Cleans Up After Flooding: Closures and Updates </H3> <p> Following last weekend鈥檚 flash flooding, Sioux Falls Parks and Recreation is actively engaged in cleanup efforts to ensure the safety of users. </p> </a> </article> </div><div class="list-item-container" role="listitem"> <article> <a href="https://www.siouxfalls.gov/news/2024/06/25/20240625-flood-damage" target=""> <H3 class="list-item-title"> Residents With Flood Damage Reminded of Permit Requirements </H3> <p> As property owners in Sioux Falls begin clean-up and repairs following recent flash flooding, Planning and Development Services is reminding residents to obtain building permits before repairing or rebuilding. </p> </a> </article> </div></div></div> </p> <h2>During a flood</h2> <p>It’s important to stay safe while flood waters are lowering, and as the clean-up process begins:</p> <ul> <li><strong style="font-family: inherit; font-size: 1em;">Do not walk, swim or drive through flood waters.</strong> Turn around if you experience water on the road. </li> <li> <strong style="font-family: inherit; font-size: 1em;">Reserve 911 for emergencies.</strong> To ensure first responders can quickly respond to life-threatening emergencies, call 211 for non life-threatening emergencies. </li> <li> <strong style="font-family: inherit; font-size: 1em;">Respect road barricades.</strong> Do not drive around them, as they mark road and park closures. Driving past barricades could result in a fine amount of $132.50. </li> <li> <strong style="font-family: inherit; font-size: 1em;">Keep a safe distance from rushing water.</strong> Follow posted safety signage and use common sense when observing flood waters. </li> <li> <strong style="font-family: inherit; font-size: 1em;">Do not drain sump pumps into floor drains.</strong> Point sump pumps towards the lawn or storm sewers. The storm sewers underneath our streets are designed to carry away rainwater. The floor drains in our homes and business drain into the sanitary sewer system, which is not equipped to handle rainwater. </li> </ul> <div data-layout="2" data-title-level="2" class="featured-links featured-links-option-2"> <h2 class="featured-links-title">Resources</h2> <div class="featured-links-body clearfix"> <ul class="clearfix"> <li><a class="featured-link" href="https://www.siouxfalls.gov/health-safety/emergency-management/flood/cleanup" target="">Flood Cleanup</a></li> <li><a class="featured-link" href="https://www.siouxfalls.gov/resident-services/utilities-billing/sewer/sewer-backups" target="">Sewer Backups</a></li> <li><a class="featured-link" href="https://www.siouxfalls.gov/resident-services/utilities-billing/sewer/sump-pump-operation" target="">Sump Pumps</a></li> <li><a class="featured-link" href="https://www.weather.gov/fsd/flooding" target="_blank">Weather Conditions</a></li> </ul> </div> </div> <h2>Alerts</h2> <p>Weather alerts are available through the <a href="https://www.siouxfalls.gov/alert" target="_blank">City of Sioux Falls Alerts system</a> with a free account. Flood and flash flood warnings are available via SMS, email and phone call. </p> <p> </p> <div class="side-box consultation-snapshot"> <h2 class="side-box-title"> More Information </h2> <div class="side-box-content"> <div class="side-box-section body-content"> <p>Visit <a href="https://www.ready.gov" target="_blank">ready.gov</a> for more flood-related resources.</p> <p> </p> </div> </div> </div>  </div> </div> </div> </div> </div> </div> </div> <div class="back-to-top-container text-center"> <a href="#body-top" id="back-to-top"><i></i><span class="js-visuallyhidden">Back to top</span></a> </div> </div> </div> <footer> <div class="footer-outer-container footer-first-row"> <div class="footer-container clearfix"> <div class="grid grid-pad"> <div class="col-xs-12 col-s-6 col-m-6 col-lg-3 contact-us-footer-widget" > <h3 class="footer-title">Contact Us</h3> <p class="city-name">City of Sioux Falls</p> <p>City Hall</p> <p>224 W. 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