montgomery county today
        
        
          53
        
        
          
            FIGURE 44:
          
        
        
          
            Floodplain Areas
          
        
        
          
            Floodplains are suitable for recreation uses.
          
        
        
          
            Flooding can impact businesses.
          
        
        
          
            Flooding in Pottstown from the Manatawny Creek.
          
        
        
          Flood Prone Areas of the County
        
        
          Most of the flood damage in the county has
        
        
          occurred along the Schuylkill River, Perkiomen
        
        
          Creek, Wissahickon Creek (including the Sandy
        
        
          Run), Pennypack Creek and Tookany Creek.
        
        
          Pottstown Borough, the Mont Clare Port
        
        
          Providence area of Upper Providence Township,
        
        
          Port Indian area of West Norriton Township,
        
        
          Norristown, Bridgeport and Conshohocken
        
        
          Boroughs, and the River Road part of Lower
        
        
          Merion Township have sustained damage during
        
        
          Schuylkill River floods.  Collegeville has received
        
        
          the most damage from Perkiomen Creek floods.
        
        
          The Wissahickon Creek flooding has caused
        
        
          damage in Ambler Borough and portions of
        
        
          Springfield and Whitemarsh Townships.  Floods
        
        
          along the Sandy Run have occurred in Upper
        
        
          Dublin and Abington Townships.  The Pennypack
        
        
          Creek flooding has damaged Horsham Township
        
        
          and Hatboro, as well as Upper Moreland, Lower
        
        
          Moreland, and Abington Townships.  Abington
        
        
          Township, along with Cheltenham Township, has
        
        
          also sustained flood damage from Tookany Creek.
        
        
          ¯
        
        
          Pottstown
        
        
          Norristown
        
        
          Lansdale
        
        
          Collegeville
        
        
          Jenkintown
        
        
          Conshohocken
        
        
          §¨
        
        
          ¦
        
        
          476
        
        
          §¨
        
        
          ¦
        
        
          276
        
        
          §¨
        
        
          ¦
        
        
          76
        
        
          §¨
        
        
          ¦
        
        
          476
        
        
          £
        
        
          ¤
        
        
          422
        
        
          £
        
        
          ¤
        
        
          202
        
        
          611
        
        
          100
        
        
          309
        
        
          Hatboro
        
        
          Ambler
        
        
          Pennsburg
        
        
          73
        
        
          663
        
        
          29
        
        
          29
        
        
          73
        
        
          Structures in Flood Plain
        
        
          1-11
        
        
          12-22
        
        
          23-32
        
        
          33-43
        
        
          44-54
        
        
          55-64
        
        
          65-75
        
        
          76-86
        
        
          87-97
        
        
          98-107
        
        
          1% Annual Floodplain
        
        
          
            Source: Montgomery County Planning Commission