27' - Flood waters begin to reach the Park Street Bridge in Tioga.<br><br>22.1' - Flood of record from September 1975.<br><br>20' - Widespread flooding occurs on both bankds. Much of Tioga Junction is affected by high water. A number of roads are closed.  Flood waters begin to reach the Route 287 bridge on the northh side of Tioga.<br><br>18.5' - FEMA 0.2 0X0P+0nnual Chance Flood Level (500-year flood). Flood waters begin to reach the Junction Cross Road Bridge near Williamson High School.<br><br>17.5' - Flood waters begin to reach the Mechanic Street Bridge in Lawrenceville.<br><br>17' - The right, or east bank overflows. A number of homes on both banks are affected. Several roads are closed. Flood waters begin to reach the Main Street Bridge in Lawrenceville.<br><br>15' - The left, or west bank overflows, closing a couple of roads. A few homes are affected. FEMA 1 0X0P+0nnual Chance Flood Level (50-year flood).<br><br>13.5' - FEMA 2 0X0P+0nnual Chance Flood Level (50-year flood).<br><br>13' - FEMA 10 0X0P+0nnunal Chance Flood Level (10-year flood).<br><br>