33' - USGS 100 year flood.<br><br>30.5' - USGS 50 year flood.<br><br>28' - Water will back up McSwain Branch and some residences will become flooded.<br><br>25' - Residences in West McClain begin to flood.<br><br>24' - Some county roads in the area will become flooded.<br><br>18' - Considerable flooding of agricultural and lowlands near the river.<br><br>