Consistent with the loading calculations for the Boroughs’ permitting requirements, the Chesapeake Conservancy Land Cover Data was obtained for each parcel to determine the impervious area.  The land cover data combined with Lycoming County property records were used to arrive at each properties’ imperious area.  It was determined that the typical property regardless of use in both Boroughs had 2,480 square feet of impervious surfaces to determined the basis of an Impervious Area Unit or an IAU.