Section 37.03.11.050 - AREAS DETERMINED TO HAVE A COMMON GROUND WATER SUPPLY01.Eastern Snake Plain Aquifer. The area of coverage of this rule is the aquifer underlying the Eastern Snake River Plain as the aquifer is defined in the report, Hydrology and Digital Simulation of the Regional Aquifer System, Eastern Snake River Plain, Idaho, USGS Professional Paper 1408-F, 1992 excluding areas south of the Snake River and west of the line separating Sections 34 and 35, Township 10 South, Range 20 East, Boise Meridian.a. The Eastern Snake Plain Aquifer supplies water to and receives water from the Snake River.b. The Eastern Snake Plain Aquifer is found to be an area having a common ground water supply.c. The reasonably anticipated average rate of future natural recharge of the Eastern Snake Plain Aquifer will be estimated in any order issued pursuant to Rule 30.d. The Eastern Snake Plain Aquifer area of common ground water supply will be created as a new water district or incorporated into an existing or expanded water district as provided in Section 42-604, Idaho Code, when the rights to the diversion and use of water from the aquifer have been adjudicated, or will be designated a ground water management area.Idaho Admin. Code r. 37.03.11.050