In addition, under 25 Pa. Code, Chapter 92, a DEP NPDES construction
activities permit is required for any earth disturbance one acre or
more with a point-source discharge to surface waters or Fairview Township's
storm sewer system, or five acres or more regardless of the planned
runoff. This includes earth disturbance on any portion of, part of,
or during any stage of a larger common plan of development.