Big Creek-Hurricane Creek S- 2 Reservoir Report
Last Updated: December 19, 2025
Big Creek-Hurricane Creek S-2 is a local government-owned earth dam in Carroll, Missouri, designed by the USDA NRCS and completed in 1994 for the primary purpose of flood risk reduction along the TR-Big Creek.
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Summary
The dam stands at a height of 24.3 feet with a hydraulic height of 22 feet and a structural height of 35 feet, providing a storage capacity of 145 acre-feet on its 4.1-acre surface area. Despite its low hazard potential and moderate risk assessment, the dam has not been rated for its condition, and no emergency action plan (EAP) or inundation maps have been prepared.
Managed by the Rock Island District of the USACE, Big Creek-Hurricane Creek S-2 has not undergone significant modifications since its construction and does not feature any outlet gates or associated structures. Although it lacks a state regulatory agency jurisdiction, permitting, inspection, or enforcement, the dam is maintained by the Natural Resources Conservation Service and serves as a vital infrastructure for flood control in the region. With a spillway width of 24 feet and a maximum discharge of 147 cubic feet per second, the dam plays a crucial role in mitigating flood risks and protecting downstream communities from potential inundation events.
For water resource and climate enthusiasts, Big Creek-Hurricane Creek S-2 presents an intriguing case study of a locally owned earth dam designed for flood risk reduction in rural Missouri. With its stone core and soil foundation, the dam showcases the collaborative efforts between federal and local agencies in managing water resources and ensuring public safety. The moderate risk assessment and lack of recent condition ratings highlight the importance of regular monitoring and maintenance to uphold the dam's effectiveness in safeguarding the surrounding area from potential flood hazards.
Year Completed |
1994 |
Dam Length |
575 |
Dam Height |
24.3 |
River Or Stream |
TR-BIG CREEK |
Primary Dam Type |
Earth |
Surface Area |
4.1 |
Hydraulic Height |
22 |
Drainage Area |
120.32 |
Nid Storage |
145 |
Structural Height |
35 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Wakenda Creek At Carrollton
|
8cfs |
Grand River Near Sumner
|
220cfs |
Missouri River At Waverly
|
26800cfs |
Shoal Creek Near Braymer Mo
|
12cfs |
Grand River At Chillicothe
|
361cfs |
Crooked River Near Richmond
|
4cfs |
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.
Big Creek-Hurricane Creek S- 2