East Locust Creek Watershed Dam E- 39 Reservoir Report

Last Updated: December 16, 2025

East Locust Creek Watershed Dam E- 39, also known as Site E-39, is a vital flood risk reduction structure located in Milan, Missouri.


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Summary

This earth-type dam was completed in 1991 by the USDA NRCS and stands at a height of 24 feet with a length of 400 feet. The dam has a storage capacity of 85 acre-feet, with a normal storage level of 29 acre-feet, serving to protect the area against potential flood events.

Situated on the TR-East Locust Creek, this dam plays a crucial role in managing water flow and reducing flood risks in the region. With a low hazard potential and a moderate risk assessment rating, the structure is designed to withstand various hydrological challenges. The dam's uncontrolled spillway, with a width of 42 feet, ensures effective water release during peak flow conditions, contributing to the overall safety and resilience of the watershed.

Managed by the local government, East Locust Creek Watershed Dam E- 39 serves as a testament to effective collaboration between various agencies and organizations in safeguarding communities against the impacts of climate change. As a key component of the region's water resource infrastructure, this dam exemplifies sustainable water management practices and the importance of proactive flood risk reduction measures in the face of evolving environmental conditions.

Year Completed

1991

Dam Length

400

Dam Height

24

River Or Stream

TR-EAST LOCUST CREEK

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

24

Drainage Area

110.08

Nid Storage

85

Structural Height

24

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

24
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.