East Locust Creek Watershed Dam E-122 Reservoir Report
Last Updated: December 18, 2025
East Locust Creek Watershed Dam E-122, located in Sullivan County, Missouri, is a key flood risk reduction structure designed by the USDA NRCS and completed in 2006.
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Summary
This earth dam stands at 28 feet high with a hydraulic height of 27 feet and a structural height of 33 feet, providing essential protection for the surrounding area. With a storage capacity of 218.2 acre-feet and a drainage area of 352 square miles, this dam plays a vital role in managing water resources in the region.
The primary purpose of Dam E-122 is flood risk reduction, although it also serves fire protection, stock or small fish pond, fish and wildlife pond purposes. With a low hazard potential and a moderate risk assessment rating, this dam is considered a crucial infrastructure for safeguarding the local community against potential flooding events. Despite not being state regulated, inspected, or permitted, the dam's construction and operation are overseen by the Natural Resources Conservation Service, ensuring its structural integrity and functionality for years to come.
Overall, East Locust Creek Watershed Dam E-122 contributes significantly to water resource management and climate resilience efforts in the region. As part of the Rock Island District, this dam exemplifies the collaboration between local government and federal agencies in implementing effective flood control measures. With its strategic location, design, and storage capacity, Dam E-122 stands as a testament to the importance of sustainable water infrastructure in addressing environmental challenges and protecting communities from natural disasters.
Year Completed |
2006 |
Dam Length |
490 |
Dam Height |
28 |
River Or Stream |
TR-EAST LOCUST CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
27 |
Drainage Area |
352 |
Nid Storage |
218.2 |
Structural Height |
33 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Locust Creek Near Linneus
|
31cfs |
Medicine Creek Near Laredo
|
18cfs |
Chariton River At Novinger
|
73cfs |
Thompson River At Trenton
|
152cfs |
Long Branch Creek Near Atlanta
|
0cfs |
Grand River Near Sumner
|
223cfs |
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 Locust Creek Watershed Dam E-122