48' - Elevation of runway.<br><br>45' - There would be considerable bank erosion, including the east end of the runway.<br><br>43.5' - Water should start to encroach some houses located near the active slough on the east side of town.<br><br>41.5' - Water starts to flow over low spots on the road which is adjacent to an active slough.  There are five or so houses on this road including the Wx observers.<br><br>