25 Pa. Code § 299.116 – Surface and groundwater protection.

(a) Surface water runoff from storage areas shall be minimized. Collection of surface runoff shall be managed in accordance with The Clean Streams Law and the regulations promulgated thereunder.
(b) Surface water run-on to storage areas shall be minimized.
(c) Waste may not be stored to cause groundwater degradation.

This section cited in 25 Pa. Code § 299.101 (relating to scope).