(c) Borrow pits used for the development of oil and gas well sites and access roads that no longer meet the conditions under section 3273.1 of the act must meet one of the following:
- (1) Be restored within 9 months after completion of drilling the final well on a well site serviced by the borrow pit or 9 months after the expiration of all well permits on well sites serviced by the borrow pit, whichever occurs later. An extension of the restoration requirement may be approved under § 78a.65(c) (relating to site restoration).
- (2) Obtain a noncoal surface mining permit for its continued use, unless relevant exemptions apply under the Noncoal Surface Mining Conservation and Reclamation Act and regulations promulgated thereunder.