Water-level and recoverable water in storage changes, High Plains aquifer, predevelopment to 2017 and 2015–17

First posted September 2, 2022 For additional information, contact: Director, Nebraska Water Science Center U.S. Geological Survey5231 South 19th Street Lincoln, NE 68512Contact Pubs Warehouse The High Plains aquifer underlies 111.8 million acres (about 175,000 square miles) in parts of eight States—Colorado, Kansas, Nebraska, New Mexico, Oklahoma, Dakota, Texas, and Wyoming. Water-level declines began the soon after beginning substantial groundwater irrigation 1950). This report presents water-level changes change recoverable water storage from predevelopment 1950) to 2017 2015 2017.Water-level 2017, by well, ranged a rise 84 feet decline 262 feet; range for 99 percent wells was 39 200 feet. 41 21 14 10 area-weighted, average were an overall 16.8 0.1 foot 2017. Total about 2.91 billion acre-feet, which 291.8 acre-feet since