20' - High water will likely damage the highway 83 bridge and flooding may occur.<br><br>15.5' - Almost all of Collingsworth County Roadside Park floods, including the restrooms. Major flooding of pastureland and farm land occurs.<br><br>12.5' - Almost all of the campground and playground areas at the Collingsworth County Roadside Park is underwater. Significant flooding of ranch land occurs.<br><br>8' - Lowest areas of Collingsworth County Roadside Park begin to flood, including the campground area. Flooding of ranch land also begins to occur.<br><br>