20' - The water begin to flow over Brown County Hwy 16 south of the gauge.<br><br>19.5' - The river reaches the top of the levee at the old location of Columbia Park. Also 400th Avenue, 123rd Street, Dakota Ave, Larson Road and Tacoma Loop are flooded.<br><br>19.3' - 396th Avenue begins to flood.<br><br>18.5' - The water reaches the bottom of the bridge at the gauging location on Brown County 16.<br><br>18' - 117th St between 395th and 400th Ave is flooded.<br><br>17' - Water reaches the base of the levee at the old location of Columbia Park.<br><br>15' - Significant amounts of agricultural lands are flooded.<br><br>13' - Flooding of the lower lying agricultural areas begins.<br><br>