West Fork Big Creek Dam P- 14 Reservoir Report
Last Updated: December 13, 2025
West Fork Big Creek Dam P-14, located in Bridgeport, Missouri, is a flood risk reduction structure owned by the local government and designed by the USDA NRCS.
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Summary
Completed in 2004, this earth dam stands at a height of 31 feet and has a structural height of 32 feet, with a length of 570 feet. It has a storage capacity of 88 acre-feet, with a normal storage of 23 acre-feet and a maximum discharge of 250.4 cubic feet per second.
The dam's primary purpose is flood risk reduction, serving to protect the surrounding area from potential inundation. It is classified as having a low hazard potential and a moderate risk assessment of 3. The spillway, which is uncontrolled, has a width of 40 feet. The dam is situated on the Polecat River, within the Rock Island District, and is not regulated by the state nor subject to state inspections, permitting, or enforcement.
Overall, West Fork Big Creek Dam P-14 plays a crucial role in mitigating flood risks in the region, showcasing the collaborative effort between local government and federal agencies in safeguarding communities against potential water-related disasters. Its strategic location, design, and storage capacity make it a key component in the area's water resource management and climate resilience efforts.
Year Completed |
2004 |
Dam Length |
570 |
Dam Height |
31 |
River Or Stream |
POLECAT |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
31 |
Drainage Area |
590 |
Nid Storage |
88 |
Structural Height |
32 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
East Fork Big Creek Near Bethany
|
4cfs |
Thompson River At Trenton
|
137cfs |
Grand River Near Gallatin
|
75cfs |
Thompson River At Davis City
|
22cfs |
Medicine Creek Near Laredo
|
21cfs |
Grand River At Chillicothe
|
361cfs |
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.
West Fork Big Creek Dam P- 14