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Great Salt Lake Mineral Extraction Water Withdrawals

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Created: Mar 07, 2023 at 6:41 p.m.
Last updated: Dec 28, 2023 at 1:43 p.m.
DOI: 10.4211/hs.46b98820b7214850aadf6fa60c9bc1d1
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Sharing Status: Published
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Great Salt Lake water withdrawals for use in mineral extraction evaporation ponds. This data is part of a study "The Salinity of the Great Salt Lake and its Deep Brine Layer." This study analyzes the lake’s historical salinity and level data record. Its purpose is to better understand the movement and changes of salt in time and space within the lake and evaluate the occurrence and extent of the deep brine layer. Mineral extraction water withdrawals contribute to changes in the salinity of the lake.

Subject Keywords



Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Great Salt Lake


Start Date:
End Date:



Great Salt Lake Mineral Extraction Water Withdrawals

Reported total water use data for years 1988/1989 - 2021 obtained from the Utah Division of Water Rights using the WUSEVIEW Water Records/Use Information Viewer tool, 

The following specific links to mineral extraction water users were used.
Cargill (Cargill Salt Inc.), 1988-2021,
Compass (Compass Minerals), 1988-2021, 
Morton (Morton Salt, Inc.), 1989-2021, 
USMag (US Magnesium LLC), 1988-2021,   

According to Tripp, 2009, US Magnesium began operations following re-engineering in 1975, but was not operational while it’s pond was breached during the high lake levels of 1986-1990. Water use data prior to 1988 is not available so for the period 1976 to 1985 was taken as a value of 67264 acre-ft per year.  This particular value is the average from 1991 to 2011 of USMag water withdrawals from a prior study evaluating the impacts of mineral pond expansions on the GSL, but the water withdrawals used in that study are different from current USMag water withdrawals obtained from the UDWR website.  

Tripp, T. G., (2009), "Production of magnesium from Great Salt Lake, Utah USA," Natural Resources and Environmental Issues, 15: Article 10,

Related Resources

This resource is described by Merck, M. F. and D. G. Tarboton, (2023), "The Salinity of the Great Salt Lake and Its Deep Brine Layer," Water, 15(8),
This resource belongs to the following collections:
Title Owners Sharing Status My Permission
Collection of Great Salt Lake Data David Tarboton  Public &  Shareable Open Access


Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Utah Water Research Laboratory

How to Cite

Merck, M., D. Tarboton (2023). Great Salt Lake Mineral Extraction Water Withdrawals, HydroShare,

This resource is shared under the Creative Commons Attribution CC BY.


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