Navajo County ALERT System Welcome > Departments > Public Works > Flood Control > Navajo County ALERT System Click on a sensor to display its data. <span id="selection-marker-1" class="redactor-selection-marker"></span><span id="selection-marker-1" class="redactor-selection-marker"></span><span id="selection-marker-1" class="redactor-selection-marker"></span><span id="selection-marker-1" class="redactor-selection-marker"></span>