Scs-Upper Black Bear Creek Site-02 Reservoir Report

Last Updated: December 6, 2025

SCS-Upper Black Bear Creek Site-02, located in Morrison, Oklahoma, is a state-regulated earth dam constructed in 1969 by the USDA NRCS for flood risk reduction on Otoe Creek.


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Summary

With a dam height of 34 feet and a storage capacity of 753 acre-feet, this structure plays a crucial role in protecting the surrounding area from potential flooding events. The dam's spillway, controlled in design, ensures the safe release of excess water while maintaining the structural integrity of the dam.

Despite being classified as a low hazard potential structure, SCS-Upper Black Bear Creek Site-02 is considered to have a very high risk due to its proximity to residential and agricultural areas. The dam's emergency action plan status and risk management measures remain unclear, highlighting the need for updated preparedness and response protocols. With a history of state inspection and regulation by the OWRB, ongoing maintenance and monitoring of this dam are essential to ensure its continued effectiveness in flood risk reduction and community protection.

Year Completed

1969

Dam Length

2220

Dam Height

34

River Or Stream

OTOE CREEK

Primary Dam Type

Earth

Surface Area

18

Hydraulic Height

34

Nid Storage

753

Structural Height

34

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

34
       
Seasonal Comparison

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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.