Wall Development Company Dam Reservoir Report
Nearby: Coyote Paterson Lake
Last Updated: December 5, 2025
The Wall Development Company Dam, also known as Wall Reservoir Dam, is a private-owned structure located in Uinta, Wyoming.
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Summary
Completed in 1949, this earth-type dam stands at a height of 27 feet and serves primarily for irrigation purposes. With a storage capacity of 1260 acre-feet, it plays a crucial role in managing water resources for the surrounding area.
Situated along Quarry Creek and Black Fork Creek, this dam has a significant hazard potential and is regulated by the State of Wyoming. The dam's spillway is uncontrolled with a width of 50 feet, allowing for a maximum discharge of 390 cubic feet per second. Although last inspected in June 2020, the dam's condition assessment and emergency action plan status remain unknown. Despite its moderate risk rating, the Wall Development Company Dam continues to play a vital role in water resource management in the region.
As climate change continues to impact water availability and quality, the Wall Development Company Dam stands as a crucial infrastructure for maintaining irrigation needs in Uinta, Wyoming. With its strategic location and storage capacity, this dam ensures water security for agricultural activities in the area. As efforts to mitigate climate-related risks increase, the maintenance and monitoring of the Wall Development Company Dam will be essential to sustainably manage water resources for the future.
Year Completed |
1949 |
Dam Length |
1650 |
Dam Height |
27 |
River Or Stream |
QUARRY CRK, TR BLACKS FORK CRK |
Primary Dam Type |
Earth |
Surface Area |
112 |
Hydraulic Height |
22 |
Drainage Area |
3.1 |
Nid Storage |
1260 |
Structural Height |
27 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
27 |
Seasonal Comparison
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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.
Wall Development Company Dam