Contains water hardness data for various aquifers in Pennsylvania. Locate the appropriate subbasin and look for a table containing water hardness data.
From the Pennsylvania Geological Survey, the technical reports on the groundwater resources of areas, commonly defined on a countywide basis. Most of these reports include a book and a large-scale, full-color geologic map
Ground-water quality and data on wells and springs in Pennsylvania
This series presents ground-water quality and physical data on about 1,250 wells and springs.