2800' - Issaquah Creek will cause severe near record flooding in Issaquah valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin. <br><br>2300' - Issaquah Creek will cause major flooding in most of the valley. Deep and swift flood waters will inundate residential and business areas and numerous roads. Flooding will occur all along the river including headwaters...tributaries...and other streams within and near the Issaquah Creek Basin. <br><br>2000' - Issaquah Creek will flood most low areas in the valley. Swift waters will flood residential and business areas and roads including Newport Way.<br><br>1200' - Issaquah Creek will spill over its banks into low flood prone areas of the valley. <br><br>