Macumba Stockwater Reservoir Report

Nearby: Houston Fred

Last Updated: December 5, 2025

Macumba Stockwater, located in Hulett, Wyoming, serves multiple essential purposes including fire protection, stock watering, and serving as a small fish pond.


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Summary

The earth dam, completed in 1964, stands at a height of 19 feet and has a hydraulic height of 14 feet. Its primary source of water is Houston Creek, making it a vital resource for the surrounding area. The dam has a storage capacity of 120 acre-feet, with a normal storage level of 60 acre-feet and a surface area of 10 acres.

Despite its importance, Macumba Stockwater has been assessed to be in poor condition, with a low hazard potential. The dam features an uncontrolled spillway with a width of 100 feet and a single slide gate for outlet control. The last inspection took place in September 2017, with a frequency of every 5 years. The risk assessment for the dam is moderate, with no specific risk management measures outlined. Overall, Macumba Stockwater provides crucial water resources for the community, but its condition may require attention to ensure its continued functionality and safety for the future.

Year Completed

1964

Dam Length

430

Dam Height

19

River Or Stream

HOUSTON CREEK

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

14

Nid Storage

120

Structural Height

25

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.
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Area Campgrounds