Definitions.

As used in the Mine Dewatering Act: A. "declared underground basin" means an underground stream, channel, artesian basin, reservoir or lake, the boundaries of which have been determined and proclaimed by the state engineer to be reasonably ascertainable; B. "mine dewatering" means the diversion and discharge of ground water developed by mining activities by means of depressurizing wells, mine shaft pumping or by other means necessary to displace water from an area of mining operations or proposed mining operations, but does not include in situ leaching; C. "plan of replacement" means a detailed plan for the replacement of water; D. "replacement of water" means the furnishing of a substitute water supply, the modification of existing water supply facilities, the drilling of replacement wells, the assumption of additional operating costs, the procurement of documentation establishing a waiver of protection by owners of affected water rights, artificial recharge or any other reasonable means to avoid impairment of water rights; and E. "substitute water supply" means a supply of water adequate in quality and made available at a point of diversion or use in a sufficient quantity to prevent impairment of an affected water right and may include water produced by mine dewatering.