30' - A mill on the left bank begins to flood.<br><br>28' - Flood waters reach the bottom of the bridge across I40.<br><br>27' - Major flooding begins. The town of Haw River begins to flood.<br><br>26' - Trailer homes adjacent to the river and the water treatment plant flood. Evacuations may be necessary.<br><br>25.5' - The water treatment plant building floods.<br><br>23' - Moderate flooding begins. Flooding reaches the base of the water treatment plant building.  There is also significant flooding of the Red Slide Park upstream of the Main St. Bridge, and Lang St will be impassable<br><br>20' - There is significant overflow on the right bank opposite the water treatment plant.  Water also reaches the Red Slide Park upstream of the Main St. Bridge.<br><br>18' - Minor flooding begins. Overflow begins on both banks at the water treatment plant. <br><br>