Water Intelligence Brief

Salt Lake County, UT — Jordan River Basin

August 10, 2026 | Free-Tier Brief

Situation Summary

Salt Lake County enters the peak late-summer demand period with snowpack across all monitored Wasatch Front stations fully melted out — stations including Brighton, Mill-D North, and Snowbird melted out 4–6 weeks ahead of their historical median meltout dates, compressing the spring runoff window and reducing the seasonal recharge pulse to canyon watershed storage and Jordan River tributary flows. Municipal suppliers — Salt Lake City Public Utilities, Jordan Valley Water Conservancy District, and Metropolitan Water District of Salt Lake & Sandy — are now operating on stored supplies and imported Provo River Project deliveries with no meaningful snowmelt contribution remaining for the season. Reservoir storage data, conservation tier status across all three suppliers, and 7-day demand forecast details are available in the full brief.

Snowpack Conditions

All five NRCS SNOTEL stations monitoring the Salt Lake County watershed reported zero snow water equivalent (SWE) as of August 9, 2026 — a normal finding for this calendar date, as median SWE at these elevations is also 0.0" by early August. The hydrologically significant signal for 2026 is not current SWE but meltout timing: stations melted out 4–6 weeks ahead of the historical median meltout date, meaning the spring runoff pulse arrived and concluded earlier than typical, with implications for how much water entered canyon storage and tributary systems during the critical April–June recharge window.

Station readings as of August 9, 2026:

The residual 1.0" snow depth at Atwater without measurable SWE likely reflects old consolidated snow or ice and should not be interpreted as a water supply contribution. Important caveat: Atwater (station 1308:UT:SNTL) has been reporting only since August 2022, giving it fewer than four years of record. For historical trend comparisons, Brighton (operational since 1986), Mill-D North (since 1988), and Snowbird (since 1989) are the statistically reliable long-term indicators and should receive primary weight in any multi-year analysis.

Streamflow Conditions

Two active USGS gauges provide current streamflow data within Salt Lake County. Municipal water managers and utility professionals should note an important data gap: gauges on Big Cottonwood Creek (10168499, 10169000), Mill Creek (10170000), and Parleys Creek (10171500) are discontinued and not transmitting current data. Canyon-specific flow conditions for those drainages are not available through USGS and should be obtained directly from Salt Lake City Public Utilities.

Active gauge readings:

Jordan River mainstem flows carry direct relevance beyond water supply: the Jordan River is the primary surface water inflow to Great Salt Lake. Current consumption patterns and return flow volumes within Salt Lake County directly affect GSL elevation — a consideration that intersects with ongoing Utah legislative efforts and litigation surrounding Great Salt Lake elevation targets. Water rights administrators should maintain awareness of this connection when evaluating consumptive use decisions.

Seasonal Guidance

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Data Sources: SNOTEL data through August 9, 2026; USGS streamflow data through August 10, 2026

Data Current As Of: August 10, 2026 | Sources: NRCS SNOTEL network (5 stations), USGS National Water Information System (2 active gauges), Utah Division of Water Rights

Important Disclaimers: This brief provides automated analysis for informational purposes only. Specific numerical claims have not been independently verified. Consult official sources including your local water district, U.S. Bureau of Reclamation Upper Colorado Region (for Deer Creek and Jordanelle Reservoir operations), Salt Lake City Public Utilities (canyon watershed storage and discontinued gauge data), and Utah Division of Water Rights for regulatory decisions and water rights administration. This brief does not constitute legal, engineering, or water rights advice.