Mbpp Storm Runoff Retention Reservoir Report

Last Updated: December 5, 2025

Located in Fort Laramie, Wyoming, the Mbpp Storm Runoff Retention is a vital infrastructure designed by Joseph C.


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Summary

Lord in 1976 to manage stormwater runoff and reduce flood risks. This retention system, built primarily for public utility purposes, features an earth dam with a height of 36 feet and a hydraulic height of 28 feet. The dam has a storage capacity of 176 acre-feet and covers a surface area of 16 acres, serving as a crucial resource for the local community.

With a low hazard potential and fair condition assessment, the Mbpp Storm Runoff Retention plays a key role in mitigating potential risks associated with flooding in the area. It is regulated by the State of Wyoming and undergoes regular inspections to ensure its structural integrity and functionality. The system includes an uncontrolled spillway and two controlled outlet gates, highlighting its effective design for managing stormwater and protecting the surrounding environment from potential damage.

As climate change continues to impact water resources and weather patterns, structures like the Mbpp Storm Runoff Retention become increasingly important for sustainable water management. With its moderate risk assessment and strategic location along the Seepage Hole Draw river, this retention system stands as a testament to effective engineering solutions for climate resilience and water conservation.

Year Completed

1976

Dam Length

390

Dam Height

36

River Or Stream

SEEPAGE HOLE DRAW

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

28

Nid Storage

176

Structural Height

40

Outlet Gates

Other Controlled - 2

Hazard Potential

Low

Foundations

Soil

Nid Height

40
       
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.