Changes in the potentiometric-surface altitude of the confined aquifer, Wood River Valley aquifer system, south-central Idaho, October 2006 to October 2012.

Water levels in 93 wells completed in the Wood River Valley aquifer system were measured during October 22–24, 2012; these wells are part of a network established by the U.S. Geological Survey in 2006. Maps of the October 2012 water-table altitude in the unconfined aquifer and the potentiometric-surface altitude of the confined aquifer have similar topology to those on maps of October 2006 conditions. Between October 2006 and October 2012, water-table altitude in the unconfined aquifer rose by as much as 1.86 feet in 6 wells and declined by as much as 14.28 feet in 77 wells; average decline was 2.9 feet. From October 2006 to October 2012, the potentiometric-surface altitude in 10 wells completed in the confined aquifer declined between 0.12 and 20.50 feet; average decline was 6.8 feet.

2012年10月22日至24日，研究人员对93口完钻于伍德谷含水层系统（Wood River Valley aquifer system）的水井完成了水位测量；这些水井隶属于美国地质调查局 (U.S. Geological Survey) 于2006年建立的监测网络。2012年10月的非承压含水层（unconfined aquifer）潜水面高程（water-table altitude）图与承压含水层（confined aquifer）测压水面高程（potentiometric-surface altitude）图，其拓扑结构与2006年10月的同类地图基本一致。2006年10月至2012年10月间，非承压含水层的潜水面高程在6口水井中最高上升1.86英尺，77口水井中最高下降14.28英尺，平均降幅为2.9英尺；同期，10口完钻于承压含水层的水井的测压水面高程降幅介于0.12至20.50英尺之间，平均降幅为6.8英尺。