30 CFR § 817.181 - Support facilities.
(b) In addition to the other provisions of this part, support facilities shall be located, maintained, and used in a manner that -
(1) Prevents or controls erosion and siltation, water pollution, and damage to public or private property; and
(2) To the extent possible using the best technology currently available -
(i) Minimizes damage to fish, wildlife, and related environmental values; and
(ii) Minimizes additional contributions of suspended solids to streamflow or runoff outside the permit area. Any such contributions shall not be in excess of limitations of State or Federal law.