31' - The bridge on County Road 15 1 mile northwest of the gauge is overtopped<br><br>26' - The water reaches the bottom of the bridge on County Road 15 one mile northwest of the gauge, and SD Highway 28 at the Spink/Beadle county line floods.<br><br>25' - The bridge 2 miles east of the gauge is overtopped<br><br>24' - Water goes over the top of the bridge at the gauging location the highway between Mellette and Brentford floods<br><br>23' - The water reaches the bottom of the bridge 2 miles east of the gauge<br><br>22' - Moderate flooding of significant amounts of agricultural and wooded areas begins<br><br>21' - The water reaches the bottom of the bridge at the gauging location<br><br>20' - Flooding of low-lying agricultural and pasture land begins<br><br>