Big Creek-Hurricane Creek B- 3 Reservoir Report

Last Updated: December 19, 2025

Big Creek-Hurricane Creek B-3 is a local government-owned earth dam located in Carroll County, Missouri.


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Summary

Completed in 1992, this dam serves the primary purpose of flood risk reduction along Big Creek. Standing at a height of 27 feet and with a hydraulic height of 25 feet, the dam has a structural height of 34 feet and a length of 505 feet, providing a storage capacity of 94 acre-feet.

With a drainage area of 281.6 square miles, Big Creek-Hurricane Creek B-3 has a maximum discharge of 145 cubic feet per second and a spillway width of 22 feet. Despite its low hazard potential and moderate risk assessment, the dam's condition is currently not rated. This structure, designed by the USDA NRCS, plays a crucial role in managing water resources in the region and mitigating potential flooding risks, making it an essential asset for water resource and climate enthusiasts to monitor and support.

Year Completed

1992

Dam Length

505

Dam Height

27

River Or Stream

BIG CREEK

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

25

Drainage Area

281.6

Nid Storage

94

Structural Height

34

Outlet Gates

None

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.