Intermountain Power Storage Basin Reservoir Report
Last Updated: December 5, 2025
The Intermountain Power Storage Basin, located in Millard County, Utah, is a privately owned facility that serves as an offstream storage site for the Sevier River.
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Summary
Completed in 1983, this earth dam structure has a structural height of 39 feet and a storage capacity of 1800 acre-feet. The basin is regulated by the Utah Division of Water Rights and is subject to regular inspections to ensure its safety and compliance with state regulations.
Despite its low hazard potential, the Intermountain Power Storage Basin plays a crucial role in water resource management in the region. As a key component of the water infrastructure in the area, it helps to store and regulate water flow for various purposes. Additionally, this facility contributes to the overall resilience of the water supply system and aids in mitigating the impacts of climate change on water resources.
With its strategic location and operational efficiency, the Intermountain Power Storage Basin serves as a vital resource for water and climate enthusiasts. By providing a reliable storage solution for the Sevier River, this facility plays a critical role in ensuring water security and sustainability in the region. As climate variability continues to pose challenges to water management, the presence of well-maintained and regulated facilities like this basin becomes increasingly essential for adapting to and mitigating the impacts of a changing climate on water resources.
Year Completed |
1983 |
River Or Stream |
SEVIER RIVER - OFFSTREAM |
Primary Dam Type |
Earth |
Nid Storage |
1800 |
Structural Height |
39 |
Hazard Potential |
Low |
Nid Height |
39 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Sevier River Near Lynndyl
|
24cfs |
Sevier River Near Juab
|
0cfs |
Vernon Creek Near Vernon
|
1cfs |
Currant Creek Near Mona
|
8cfs |
Salt Creek At Nephi
|
4cfs |
Faust Creek Near Vernon
|
0cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Intermountain Power Storage Basin