The withdrawal of ground water was about 5.4 million acre-feet in Arizona in 1981, which is about 800,000 acre-feet more than the amount withdrawn in 1980. Most of the increase in 1981 was in the amount of ground water used for irrigation in the Basin and Range lowlands province. Through 1981, slightly more than 189 million acre-feet of ground water had been withdrawn from the ground-water reservoirs in Arizona. The report contains two small-scale maps that show ground-water pumpage by areas and the status of the ground-water inventory in the State. The main map, which is at a scale of 1:500,000, shows potential well production, depth to water in selected wells in spring 1982, and change in water level in selected wells from 1977 to 1982. A brief text summarizes the current ground-water conditions in the State. (USGS)
Additional publication details
USGS Numbered Series
Annual summary of ground-water conditions in Arizona, Spring 1981 to Spring 1982
2 over-size sheets; 4 maps on 1 sheet, both sides ;63 x 54 cm., and smaller, on sheet 97 x 64 cm., folded in envelope 30 x 23 cm.