1. Except as otherwise provided in subsection 2, before determining whether to issue an order for compliance, commence a civil action, request that the Attorney General commence a criminal action or seek injunctive relief pursuant to NRS 408.441 to 408.451, inclusive, the Director or the authorized designee of the Director shall, if practicable, conduct an independent investigation of the alleged act or practice for which the Director is making the determination.
2. The Director is not required to conduct an independent investigation pursuant to subsection 1 if:
(a) The determination of the Director to take any action specified in that subsection is based on information that is provided to the Director by a person authorized to act pursuant to a permit issued for the purposes of NRS 408.441 or by a person who has carried out a discharge that is unauthorized, unlawful or otherwise impermissible pursuant to that section; or
(b) The alleged act or practice creates an imminent and substantial danger to the public health or the environment.
(Added to NRS by 2015, 2135)