known tributary pennsylvania united_states approximately miles long flows creek watershed area square miles km2 highly developed named tributaries province creek historically site mills subjected numerous floods years sewage company began dumping raw sewage creek practice stopped creek approved trout waters site small park hiking fishing opportunities course rises small valley south route community wayne pennsylvania flows west tenths mile receiving tributary right turning south creek passes pennsylvania route receives small unnamed tributaries left flows alongside interstate crosses short receives right near community pennsylvania flows alongside interstate tenths mile passing shortly enters pennsylvania receives largest tributary passes meets confluence joins creek miles mouth geography geology elevation near mouth feet sea level elevation creek source feet sea level province section generally old hard rocks eroded rocks watershed date geology mainly consist formations small amounts near mouth creek exposed creek according report rare vicinity soil associations exist watershed soil association present small watershed consists drained deep soil rests bedrock soil association prevalent middle watershed consists shallow deep soil rests brown bedrock watershed considered slightly soil watershed watershed area square miles km2 source united_states geological survey mouth creek watershed diversity land uses including residential high density low density transportation facilities offices college campuses historic sites road avenue sized correctly manage moderate floods brick structures located alongside creek poor condition major roads watershed include interstate route pennsylvania route considered impaired history entered august village creek european settlement modern day township seventeenth century official report stated following mills creek creek mill seat land heirs deceased creek mill saw mill head fall feet owned occupied john near head creek mill saw mill head fall sixteen feet thousand grain tons saw mill employed occasionally owned occupied august heavy rains caused massive flooding quarter million dollars damage property assessed lives lost bridges sustained damage incorporated december constructed maintained township purchased acre tract creek build sewer system built engine house boilers sewage water released company claimed posed threat human health despite december filed lawsuit company alleging raw sewage illegally dumped creek result judge sided new plant constructed bridges built concrete beam bridge length feet carries road creek built feet bridge type built carries road creek feet concrete arch bridge constructed carries road concrete slab bridge length feet carries clyde road creek built year built feet box beam carries years later concrete slab bridges constructed allow cross creek feet creek flooded substantially tropical storm september majority households surveyed storm reported flooding result watershed drainage recommendations proposed biology creek approved trout waters brown trout recorded naturally reproduce creek banks stream populations white tailed deer creek wetlands listed notable significance site confluence main trees species include silver maple black willow red maple wetlands site main tree species include scattered black willow silver maple patches silky wild rose surrounded wetland plants herbs grasses rushes joe mountain mint seen wetland variety invasive species concern original forest cover removed allow farming residential development recreation acre park adjacent creek contains hiking trail fishing opportunities golf course borders creek crossing creek redesigned run north south creek construction interstate
Ithan Creek