WASATCH COUNTY WATER INTELLIGENCE BRIEF

June 1, 2026 | Provo River Basin

1. SITUATION SUMMARY

Wasatch County is entering the primary irrigation season under significantly stressed water conditions. The 2026 water year has been one of the worst on record in the Mountain West, with an extreme March heat wave driving exceptionally early snowmelt across the region. Snowpack that would normally be contributing to streamflow through June has been exhausted weeks ahead of schedule. While current streamflow readings on the Provo River system show active runoff — and in places rising flows — these conditions are not likely to reflect the sustained high-flow period that agricultural and municipal users depend on. Both Heber Valley agricultural operators and Park City area municipal and recreational communities on the Wasatch side should be operating under a conservation and contingency posture as we enter what is likely to be a challenging midsummer and late-season period.

2. SNOWPACK CONDITIONS

⚠ Critical Disclosure — SNOTEL Network Limitation:

The three SNOTEL stations physically located within Wasatch County — Currant Creek, Daniels-Strawberry, and White River #1 — all drain eastward to the Colorado River basin via the Duchesne drainage. They do not monitor snowpack contributing to the Provo River system or Heber Valley water supplies, and they are excluded from this brief. The primary indicators for Provo River basin snowpack are Trial Lake (Summit County) and Beaver Divide (Summit County), both with records dating to 1978. Wolf Creek Peak (Wasatch County, reporting since August 2020) drains to the Provo River basin but has fewer than six years of record; its data is included for reference but should be interpreted with caution given the short baseline.

Current Conditions:

All three reporting stations are showing complete snowpack exhaustion as of May 31, 2026:

Trial Lake's reading of 0% of median is the most diagnostic figure available. A station with records dating to 1978 reporting zero SWE against a 4.0" median on June 1 reflects conditions that fall at or near the extreme low end of the historical record. The early elimination of snowpack — driven by the March heat event — means the gradual melt-season recharge that typically extends streamflow and reservoir filling into late June and July has already ended. There is no remaining snowpack buffer for the Provo River basin.

3. STREAMFLOW CONDITIONS

Current USGS gauge readings on the Provo River system show active flow, but the picture is nuanced:

The rising signal at the Heber City and Charleston gauges and the higher reading at Hailstone — which integrates upstream contributions — indicate that some runoff remains active in the system. However, given that snowpack is fully exhausted at all monitoring stations, this flow is likely sustained by late-season soil drainage, early precipitation events, or residual basin moisture rather than ongoing snowmelt. These flows should not be extrapolated as an indication of seasonal adequacy. The absence of snowpack means no new melt-driven recharge is forthcoming. Users should expect flows to begin declining as the season progresses and should not base irrigation planning on the assumption that current readings will persist.

Heber Valley agricultural users: Current cfs readings are flowing, but delivery scheduling should account for a likely declining trend through June and into July.

Park City area (Wasatch side): Jordanelle Reservoir inflows are partially driven by these upstream readings — monitor USBR announcements for storage trajectory updates.

4. KEY RESERVOIR SYSTEMS

Wasatch County's primary surface storage infrastructure represents some of the most significant water management assets in the Provo River system. No current capacity figures are included in this brief; users should contact managing entities directly for current storage readings.

Jordanelle Reservoir

Upper Provo River, Central Utah Project, managed by the U.S. Bureau of Reclamation (Upper Colorado Region). Completed in 1993, Jordanelle is the upper-system storage anchor for the Provo River basin and a critical source of supply for both Wasatch County users and downstream municipal providers. Given exhausted snowpack, inflow rates into Jordanelle in the coming weeks will be closely watched. Park City area users on the Wasatch side should monitor USBR announcements regarding Jordanelle storage status and any operational adjustments.

Deer Creek Reservoir

Mid-system Provo River, Provo River Project, managed by USBR Upper Colorado Region. Deer Creek serves both Wasatch County users and delivers water to Salt Lake County via the Provo Reservoir Canal. Its mid-system position means it integrates flows from above Heber Valley; storage trajectory this season will reflect the combined impact of reduced snowpack and the timing of early runoff. Contact USBR Upper Colorado Region and the Provo River Water Users Association for current operational status.

Strawberry Reservoir — Inter-Basin Transfer Facility

Eastern Wasatch County, Bonneville Unit of the Central Utah Project, managed by USBR Upper Colorado Region. Important framing: Strawberry Reservoir operates as an inter-basin transfer facility. It captures Strawberry River water that would naturally drain eastward to the Duchesne River and ultimately to the Colorado River basin, then moves that water westward across the Wasatch Divide into the Provo River system for Wasatch Front delivery. This inter-basin function means Strawberry's operations are subject to Colorado River Compact considerations and distinct from in-basin Provo River storage. In a year with documented stress across the broader Mountain West water system, users should actively monitor USBR announcements regarding Bonneville Unit operations and any adjustments to Strawberry's transfer or delivery schedule.

5. WATER RIGHTS ADMINISTRATION OUTLOOK

The combination of exhausted snowpack, an early runoff pulse, and no remaining melt-season buffer creates conditions with a high likelihood of water rights curtailment in the Provo River basin as the season progresses into midsummer.

Utah operates under a prior appropriation ("first in time, first in right") doctrine administered by the Utah Division of Water Rights and, for Project water, by the U.S. Bureau of Reclamation. When river flows decline and demands exceed supply, junior water rights holders are curtailed first. In a year with conditions as poor as 2026 has produced, curtailment pressure is likely to extend well up the priority ladder.

For Heber Valley agricultural users: Alfalfa, hay, and livestock operations should review their water right priority dates now and be in active communication with their irrigation company or ditch rider. Do not assume that current flowing conditions represent the full season picture.

For Park City area users (Wasatch side): Municipal and recreational users should be prepared for potential conservation tier activations by local providers. Engage with your provider regarding current storage levels and any demand management programs already in place.

The Provo River Water Users Association manages Provo River allocation and is the primary coordination point for in-system delivery questions. USBR Upper Colorado Region administers operations at Deer Creek, Jordanelle, and Strawberry. Contact these entities directly for rights-specific guidance; this brief does not constitute water rights or legal advice.

6. GROUNDWATER CONSIDERATIONS

The Heber Valley aquifer system — an alluvial valley-fill aquifer underlying the Heber Valley — provides supplemental supply to some agricultural and municipal users in Wasatch County. In dry years, groundwater pumping demand typically increases as surface water supplies decline.

Users should be aware that in low-snowpack years, reduced recharge to the aquifer from snowmelt infiltration and reduced river seepage can affect groundwater levels with a lag of weeks to months. Increased pumping to compensate for surface water shortfalls, if widespread, can accelerate drawdown.

Before increasing groundwater withdrawals, users must verify that their water rights authorize the use and that they are not in conflict with existing rights or applicable groundwater management orders. Contact the Utah Division of Water Rights for aquifer-specific guidance. Note: the Heber Valley aquifer system designation used here has not been independently verified against USGS Principal Aquifer classification maps — users with technical questions should consult Utah Division of Water Rights directly.

7. MANAGEMENT RECOMMENDATIONS

Immediate Actions (Now through Mid-June)

Heber Valley Agricultural Users:

Park City Area (Wasatch Side):

Planning Actions (June–July)

Efficiency Actions (Ongoing)

8. HISTORICAL CONTEXT

The 2026 season bears resemblance to several significant low-snowpack years in the Mountain West, each of which produced meaningful agricultural and municipal water stress:

2021 — A severe drought year across much of the West, including Utah. The Provo River basin and connected systems experienced significant curtailments, reduced reservoir storage, and widespread agricultural adjustments. Alfalfa and hay producers in comparable valleys reduced cut frequency or fallowed fields entirely.

2015 — Exceptionally warm and dry winter produced one of the lowest snowpack totals on record statewide. Agricultural users across Utah faced emergency water management situations, and many irrigation districts implemented priority-based curtailments earlier in the season than historically typical.

1977 — One of the benchmark drought years in Utah and the broader Mountain West. Severe water shortages prompted emergency conservation measures and long-lasting changes to water management practices across the region. Agricultural losses were significant.

In each of these analog years, the users who fared best were those who engaged early with their water managers, documented their rights clearly, and implemented efficiency measures before supplies became critically short. The 2026 conditions — with snowpack already exhausted as of June 1 — warrant the same proactive posture.

DATA SOURCES AND DISCLAIMERS

Data Sources: NRCS SNOTEL network (3 stations: Beaver Divide, Trial Lake, Wolf Creek Peak); USGS National Water Information System (streamflow gauges, May 31–June 1, 2026 readings); National Weather Service seasonal outlooks

Data Current As Of: SNOTEL data through May 31, 2026; USGS streamflow data through June 1, 2026

Important Disclaimers: This brief provides automated analysis for informational purposes only. Specific numerical claims have not been independently verified beyond data provided in source inputs. Reservoir storage figures are not included in this brief — contact managing entities directly for current operational status. This brief does not constitute water rights, legal, or engineering advice.

**For regulatory decisions and water rights administration,