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Maps showing ground-water conditions in the western part of the Salt River Valley area, Maricopa County, Arizona, 1977

Water-Resources Investigations Report 78-40

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Abstract

In 1976 about 1.68 million acre-feet of ground water was pumped in the Salt River Valley. Since 1923, more than 73 million acre-feet has been withdrawn, which has resulted in a general decline in water levels. Water levels in the western part of the Salt River Valley area have declined as much as 350 feet. Information on the maps includes altitude of the water level, depth to water, change in water level (1923-77), and irrigated area. Long-term hydrographs of the water level in selected wells , a table of historical pumpage, and a brief discussion of the chemical quality of the ground water are included also. (Woodard-USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Maps showing ground-water conditions in the western part of the Salt River Valley area, Maricopa County, Arizona, 1977
Series title:
Water-Resources Investigations Report
Series number:
78-40
Edition:
-
Year Published:
1978
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
2 maps ;on 2 sheets 86 x 83 cm. fold. to 27 x 21 cm.