Wjs Reservoir Report
Nearby: Mcleod Schlautman No. 1
Last Updated: December 8, 2025
Wjs is a private irrigation dam located in Campbell, Wyoming, on the S.
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Summary
Prong Wild Horse river. Built in 2002 by designer Hugh Lowham, this earth dam stands at a height of 20 feet and has a storage capacity of 135 acre-feet. With a primary purpose of irrigation, Wjs also serves for fire protection, stock, and small fish pond purposes.
The dam has a spillway width of 200 feet and an uncontrolled spillway type. It has been deemed to have a low hazard potential and fair condition assessment. The last inspection in August 2020 indicated that the dam meets regulatory standards and is regularly monitored for any maintenance needs. Despite the moderate risk assessment, Wjs remains a crucial water resource infrastructure for the surrounding area.
Located on an unnamed ranch in Wyoming, Wjs plays a vital role in managing water resources in the region. With its strategic location and efficient design, this dam ensures a reliable water supply for irrigation and other essential purposes. For water resource and climate enthusiasts, Wjs serves as a prime example of sustainable water management practices in action.
Year Completed |
2002 |
Dam Length |
1030 |
Dam Height |
20 |
River Or Stream |
S. PRONG WILD HORSE |
Primary Dam Type |
Earth |
Surface Area |
10.73 |
Hydraulic Height |
13 |
Drainage Area |
2.19 |
Nid Storage |
135 |
Structural Height |
23 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Wjs