East Fork Big Creek Dam E- 37 Reservoir Report
Last Updated: December 15, 2025
East Fork Big Creek Dam E-37, also known as Site E-37, is a local government-owned earth dam located in Harrison, Missouri.
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Summary
Designed by USDA NRCS and completed in 1988, this dam serves the primary purpose of flood risk reduction along the East Fork Big Creek. With a height of 23 feet and a length of 460 feet, the dam has a storage capacity of 64 acre-feet and a drainage area of 268.8 square miles.
Despite being classified as having a low hazard potential, East Fork Big Creek Dam E-37 is considered to have a moderate risk level. The dam features an uncontrolled spillway with a width of 20 feet and has not been assessed for condition or emergency action preparedness. While the dam has not been modified in recent years and is not under state jurisdiction or regulation, it plays a crucial role in mitigating flood risks in the region. Overall, East Fork Big Creek Dam E-37 stands as a significant infrastructure for water resource management in the area.
As an important structure in the Rock Island District managed by the Natural Resources Conservation Service, East Fork Big Creek Dam E-37 contributes to the overall water management strategy in Missouri. With Congressman Sam Graves representing the district where the dam is located, it remains a key asset for flood protection and ecosystem preservation along the East Fork Big Creek. Climate and water resource enthusiasts will find East Fork Big Creek Dam E-37 to be a fascinating case study in local government-owned infrastructure for flood risk reduction in Missouri.
Year Completed |
1988 |
Dam Length |
460 |
Dam Height |
23 |
River Or Stream |
EAST FORK BIG CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
23 |
Drainage Area |
268.8 |
Nid Storage |
64 |
Structural Height |
25 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
East Fork Big Creek Dam E- 37