Hog Park Saddle Dam No. 1 Reservoir Report

Last Updated: December 5, 2025

Hog Park Saddle Dam No.


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Summary

1, located in Carbon County, Wyoming, is a critical structure designed by Floyd A. Bishop for water supply purposes, primarily for irrigation and water supply along Hog Park Creek. Completed in 1986, this earth dam stands at a height of 26 feet and has a hydraulic height of 16 feet, with a storage capacity of 24,987 acre-feet. The dam plays a vital role in regulating water flow and ensuring sufficient water supply for the surrounding area, with a surface area of 598 acres and a maximum discharge capacity of 1,400 cubic feet per second.

With a high hazard potential, the dam is regularly inspected and maintained to ensure its structural integrity and safety. It is state-regulated, with the Wyoming State Engineer's Office overseeing permitting, inspection, and enforcement. Despite its importance in water resource management, the dam does not have a spillway, which may pose challenges in managing excess water during periods of heavy rainfall or snowmelt. The risk assessment for Hog Park Saddle Dam No. 1 indicates a high risk level, emphasizing the need for effective risk management measures to mitigate potential hazards and ensure the safety of the surrounding community and ecosystem.

As a key component of the water supply infrastructure in the region, Hog Park Saddle Dam No. 1 serves as a crucial resource for water resource and climate enthusiasts interested in understanding the complexities and challenges of dam management in a changing climate. Its location in a remote area near Encampment, Wyoming, highlights the importance of sustainable water management practices in balancing water supply needs for agriculture and domestic use while also safeguarding the environment and communities downstream. Overall, Hog Park Saddle Dam No. 1 stands as a testament to the intricate interplay between water resources, infrastructure development, and climate resilience in the Western United States.

Year Completed

1986

Dam Length

460

Dam Height

26

River Or Stream

HOG PARK CREEK

Primary Dam Type

Earth

Surface Area

598

Hydraulic Height

16

Drainage Area

12.7

Nid Storage

24987

Structural Height

26

Outlet Gates

None

Hazard Potential

High

Foundations

Soil

Nid Height

26
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.