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Advisory council hears latest Great Salt Lake elevation, salinity and salt-mass readings; meeting summary approved

October 24, 2025 | Utah Great Salt Lake Advisory Council, Boards and Commissions, Organizations, Utah Executive Branch, Utah


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Advisory council hears latest Great Salt Lake elevation, salinity and salt-mass readings; meeting summary approved
The Utah Great Salt Lake Advisory Council heard October condition updates for the lake and approved the committee's prior meeting summary unanimously.

Christine Ramsey, identified in the meeting as a private citizen and a University of Utah student, presented the committee's routine lake-condition update, reporting recent elevation, inflow, salinity and salt-mass measurements. Ramsey said the South Arm elevation measured about 41.91 feet (seasonal high about 41.93 feet) and that the lake is roughly a foot lower than at the same time last year. She reported similar seasonal declines in the North Arm and observed limited stratification in deep samples.

Ramsey cited October 7 field samples and said that shallow salinities measured "about 126 grams per liter" in Gilbert Bay and similar values elsewhere in the South Arm, and that salinities are roughly 4'to 6 grams per liter higher than last October. On salt mass, Ramsey reported the most recent estimate based on Oct. 7 samples and said that the value has "stabilized around" the recent monthly estimates; she also noted a long-term decline relative to June 2023 (her words: "dropping about a 124,000,000 tons" over that period).

Committee members asked clarifying questions about short-term responses to storm runoff, breach flows between north and south arms, and how salinity and salt mass would change if lake elevation increases. Ramsey and other technical participants explained that north-to-south breach flows remain low, recent south-to-north flows have declined as head differences narrowed, and that salinity will dilute if lake level rises unless additional salt mass is added to the South Arm.

Before the substantive updates, the council voted to approve the previous meeting summary. A motion was made and seconded, the committee responded "Aye," and the chair said the summary "passed unanimously." The meeting record does not provide a numerical roll call tally.

Less technical items raised during the meeting included a brief note that a feasibility report may be posted soon and that some wetland and water-delivery grant windows were extended; committee staff said grant deadlines and details would be posted when available.

The committee scheduled continued work on monitoring and management items, with the next routine meetings remaining quarterly (January, March, June, October), and members noted they may convene earlier if runoff or other conditions warrant.

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