East Locust Creek Watershed Dam E- 70 Reservoir Report
Last Updated: December 17, 2025
East Locust Creek Watershed Dam E-70, located in Milan, Missouri, is a key flood risk reduction structure managed by the local government.
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Summary
Built in 1988 by the USDA NRCS, this Earth-type dam stands at a height of 27 feet and has a length of 435 feet, providing a storage capacity of 73 acre-feet. With a primary purpose of flood risk reduction, the dam serves the East Locust Creek watershed, covering a drainage area of 320 square miles.
The dam boasts a low hazard potential and a moderate risk assessment, making it a crucial infrastructure for managing water resources in the region. Despite not being rated for its condition, the dam's design and construction by the Natural Resources Conservation Service ensure its reliability in safeguarding the surrounding area from potential flooding events. With an uncontrolled spillway and no outlet gates, the dam's operation is streamlined for efficient water management, reflecting its importance in mitigating flood risks and protecting the local community.
As an integral part of the flood control system in Sullivan County, East Locust Creek Watershed Dam E-70 plays a vital role in safeguarding the area from potential inundation. With its strategic location and effective design, the dam stands as a testament to collaborative efforts between local and federal agencies to protect the community from the impacts of extreme weather events and ensure the sustainable management of water resources in the region.
Year Completed |
1988 |
Dam Length |
435 |
Dam Height |
27 |
River Or Stream |
TR-EAST LOCUST CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
27 |
Drainage Area |
320 |
Nid Storage |
73 |
Structural Height |
27 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Chariton River At Novinger
|
71cfs |
Medicine Creek Near Laredo
|
15cfs |
Locust Creek Near Linneus
|
36cfs |
Chariton River At Livonia
|
45cfs |
Thompson River At Trenton
|
140cfs |
Chariton River Near Moulton
|
34cfs |
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- 70