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Chemical quality of ground water in San Joaquin and part of Contra Costa Counties, California

Water-Resources Investigations Report 81-26

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Abstract

Chemical water-quality conditions were investigated in San Joaquin and part of Contra Costa Counties by canvassing available wells and sampling water from 324 representative wells. Chemical water types varied, with 73 percent of the wells sampled containing either calcium-magnesium bicarbonate, or calcium-sodium bicarbonate type water. Substantial areas contain ground water exceeding water-quality standards for boron, manganese, and nitrate. Trace elements, with the exception of boron and manganese, were present in negligible amounts. (USGS)

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Chemical quality of ground water in San Joaquin and part of Contra Costa Counties, California
Series title:
Water-Resources Investigations Report
Series number:
81-26
Edition:
-
Year Published:
1981
Language:
ENGLISH
Publisher:
U.S. Geological Survey, Water Resources Division,
Description:
iv, 32 p. :ill., maps ;28 cm.