East Locust Creek Watershed Dam E-126 Reservoir Report
Last Updated: December 18, 2025
East Locust Creek Watershed Dam E-126, located in Sullivan, Missouri, is a vital structure designed by the USDA NRCS to mitigate flood risks along the TR-Little East Locust Creek.
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Summary
Completed in 1992, this earth dam stands at a height of 31 feet and has a hydraulic height of 28 feet, offering flood protection to the surrounding area. With a drainage area of 108.8 square miles and a storage capacity of 120 acre-feet, this dam plays a crucial role in managing water resources in the region.
The dam's spillway, with a width of 42 feet, helps control water flow during periods of high discharge, ensuring the safety of downstream communities. Despite its low hazard potential and moderate risk assessment, the dam's condition remains unrated, highlighting the need for ongoing monitoring and maintenance. While it currently lacks an Emergency Action Plan (EAP) and inundation maps, efforts to enhance risk management measures and update emergency protocols could further improve the dam's resilience to climate-related challenges.
Overall, East Locust Creek Watershed Dam E-126 serves as a key infrastructure for flood risk reduction in the area, showcasing the importance of sustainable water resource management and climate resilience. As climate change continues to impact weather patterns, structures like this play a critical role in safeguarding communities and ecosystems from the threats of extreme rainfall and flooding events.
Year Completed |
1992 |
Dam Length |
555 |
Dam Height |
31 |
River Or Stream |
TR-LITTLE EAST LOCUST CREEK |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
28 |
Drainage Area |
108.8 |
Nid Storage |
120 |
Structural Height |
33 |
Outlet Gates |
None |
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 |
Grand River Near Sumner
|
223cfs |
Long Branch Creek Near Atlanta
|
0cfs |
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-126