A new USGS report on water in the N-aquifer from the Black Mesa area of northeastern Arizona shows groundwater declines of 0.1 to 0.2 feet from 2008 to 2009. Total water withdrawals were 4,110 acre-feet, a decrease of 44% from 2005.
Macy, J.P., 2010, Groundwater, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona, 2008-2009: U.S. Geological Survey Open-File Report 2010-1038, 43 p.