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Published: 2000-07-01

Total Pages: 562

ISBN-13: 9781423531289

In the early 1990's concerns were raised by residence in the Westbank area. At that time, there was basically no documentation of ground water elevations in the area. The Wyoming State Engineer's Office and the Teton County Commission initiated the Observation Well System north of f Highway 22 and west of the Snake River channel which included thirty (30) wells. Additionally, the Teton County Resource District through a co-op arrangement with the USGS installed a surface water gauging system. The Wyoming State Engineer's Office Surface Water Division installed a more expanded gauging system that monitored additional stream sites as well an irrigation diversions. In 1997, the Wyoming State Engineer's Office Ground Water Division in co-operation with the Teton County Commission installed an additional twelve (12) observation wells south of Hwy. 22 and west of the Snake River channel. This completed the system as it exist today with the exception of the eight (8) reference wells located along the east bank of the Snake River channel, bringing the total number of wells to fifty (50). The purpose of this appendix is to provide technical support in the area of ground water elevations within the study area that could be affected by restoration measures. The Monitoring System targets the area down gradient of Study Sites 10, 9, 4, and 1 on the Westbank of the Snake River.