Groundwater contributing areas for Cape Cod and the Plymouth-Carver Regions of Massachusetts

This data layer contains groundwater contributing areas for streams, ponds and estuaries in the Cape Cod and the Plymouth-Carver region. Contributing areas were delineated by using regional groundwater-flow models. The percent impervious cover of each contributing area was calculated by using a statewide 1-m resolution binary rater data layer of impervious surface in2005. This is one of three data layers in this data series publication.