25 Pa. Code § 102.2 : ENVIRONMENTAL PROTECTION — DEPARTMENT OF ENVIRONMENTAL PROTECTION — Protection Of Natural Resources — WATER RESOURCES — EROSION AND SEDIMENT CONTROL —GENERAL PROVISIONS — Scope and purpose

(a) This chapter requires persons proposing or conducting earth disturbance activities to develop, implement and maintain BMPs to minimize the potential for accelerated erosion and sedimentation and to manage post construction stormwater.
(b) The BMPs shall be undertaken to protect, maintain, reclaim and restore water quality and the existing and designated uses of waters of this Commonwealth.

25 Pa. Code § 102.2