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The AAPG/Datapages Combined Publications Database

Utah Geological Association

Abstract


Environmental and Engineering Geology of the Wasatch Front Region, 1995
Pages 279-290

Hydrogeology and Water Quality of the Lincoln Point-Bird Island Area, Utah Lake, Utah

L.E. Spangler, R.L. Baskin, W.F. Holmes

Abstract

From February 1991 to October 1992, the U.S. Geological Survey, in cooperation with the Central Utah Water Conservancy District, studied the hydrogeology and water quality of the Lincoln Point - Bird Island area in the southeast part of Utah Lake, Utah. The study included measurements and results of analyses of the physical and chemical characteristics of water from 21 distinct springs and 3 wells in the study area, including 2 springs beneath the surface of Utah Lake at Bird Island.

Measured discharge of individual springs in the Lincoln Point - Bird Island area during the study ranged from less than 0.01 to 0.84 cubic foot per second (0.00028 to 0.024 cubic meter per second). Total discharge in the study area, including that from known unmeasured springs and seeps, is estimated to be about 5 cubic feet per second (0.14 cubic meter per second).

Temperatures of water from springs and wells in the Lincoln Point - Bird Island area during the study ranged from 16.0 to 36.5 degrees Celsius and pH ranged from 6.3 to 7.7. Dissolved-solids concentrations ranged from 444 to 7,420 milligrams per liter. In the Lincoln Point area, temperature and specific conductance increase from east to west, and pH decreases, suggesting mixing of saline with relatively freshwater. Physical and chemical characteristics of spring and well water from the north and west sides of Lincoln Point were similar to those of spring water at Bird Island, indicating a similar source for the water. Water chemistry, isotope analyses, and geothermometer calculations indicate that water discharging from springs in the Lincoln Point - Bird Island area has a common origin or flow path and is of a sodium chloride type.


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