Great Salt Lake Elevation
Purpose
This plot shows the elevation of both the north and south arms of Great Salt Lake. See the current elevations in the gray box. The default view begins in 2007, allowing you to track changes over time.
Navigating the plot
Toggle lines on or off by clicking their respective symbols in the legend to the right of the plot. For a broader exploration of the dataset, hover over the plot and select 'autoscale' to reveal the full extent of the data. Additional options adjacent to the autoscale button offer further tools for data analysis, including the ability to download the current plot.
Data
Data are sourced daily from USGS Gage 10010100 and 10010000. For access to raw data, please visit the respective gauge. For a curated plot reflecting today's data, simply click the 'Today's Plot' button below. Note that recent data are provisional and subject to revision.
Current Conditions
*2025-05-18
South Arm (ft): 4193.4
North Arm (ft): 4192.5
Source: USGS Gage 10010100 & 10010000. Recent data is provisional and subject to revision
Great Salt Lake South Arm
Below are data specific to the south arm of Great Salt Lake, presented by water year. A water year starts Oct. 1 of each year, offering a more accurate representation of water resource management. The default plot shows the current water year with a line indicating the median value (1966-present). You can toggle other years on or off by clicking the corresponding year to the right of the plot. The shading on the plot indicates the lake's health for each elevation according to the GSL Comprehensive Management Plan. Additionally, you can enable shading for statistical confidence intervals (0-10th%, 10th-30th, 30-70th, 70th-90th and 90th-100th).
Great Salt Lake North Arm
Below are data specific to the north arm of Great Salt Lake, presented by water year. A water year starts Oct. 1 of each year, offering a more accurate representation of water resource management. The default plot shows the current water year with a line indicating the median value (1966-present). You can toggle other years on or off by clicking the corresponding year to the right of the plot. Additionally, you can enable shading for statistical confidence intervals (0-10th%, 10th-30th, 30-70th, 70th-90th and 90th-100th).