40' - Approximate level of the FEMA 0.2 0X0P+0nnual Chance Flood level (500-year flood).<br><br>34.2' - Flood of record from Hurricane Agnes in 1972.<br><br>32.5' - Approximate level of the FEMA 1 0X0P+0nnual Chance Flood level (100-year flood).<br><br>32' - Flood waters begin to reach the Market Street Bridge.  The intersection of 4th and Catherine Streets is inundated. A significant portion of Lewisburg is inundated.<br><br>30' - Approximate level of the FEMA 2 0X0P+0nnual Chance Flood level (50-year flood).<br><br>28' - The right, or west bank overflows and affects Lewisburg. Widespread inundation on the left bank affects several mobile home parks. Many residences and businesses on both banks are affected by flood waters.<br><br>25.5' - Approximate level of the FEMA 10 0X0P+0nnual Chance Flood level (10-year flood).<br><br>25' - Low lying areas on the right, or west bank are affected. The left bank continues to experience inundation.<br><br>23' - The mobile home park along Route 405 downstream of the bridge will flood.<br><br>21' - The left, or east bank experiences substantial overflow.<br><br>19' - Route 405 is affected downstream of the Lewisburg Bridge.<br><br>18' - The left, or east bank overflows. Low lying areas will flood.<br><br>