East Locust Creek Watershed Dam E- 5 Reservoir Report

Last Updated: December 12, 2025

East Locust Creek Watershed Dam E-5, also known as Site E-5, is a vital structure in flood risk reduction located in Sullivan, Missouri.


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Summary

Constructed in 1999 by the USDA NRCS, this earth dam stands at a height of 26 feet and spans 500 feet in length. With a storage capacity of 71 acre-feet and a drainage area of 140.16 square miles, this dam plays a crucial role in managing water flow and protecting the surrounding areas from potential flooding.

The dam's primary purpose is flood risk reduction, but it also serves other functions such as fire protection, stock or small fish pond, fish and wildlife pond. With a low hazard potential and a moderate risk assessment, East Locust Creek Watershed Dam E-5 is a key component in the region's water resource management strategy. The dam is inspected every 5 years and has not been rated for condition assessment, highlighting the need for ongoing monitoring and maintenance to ensure its continued effectiveness in safeguarding the community.

Located in the Rock Island District and managed by local government authorities, this dam is a testament to collaborative efforts in water resource conservation. Despite not being regulated by the state, East Locust Creek Watershed Dam E-5 remains a critical infrastructure for flood control and water management in the area. As climate change continues to impact water resources, structures like E-5 play a crucial role in adapting to evolving environmental challenges and ensuring the resilience of the region's water systems.

Year Completed

1999

Dam Length

500

Dam Height

26

River Or Stream

TR-UNNAMED TO EAST LOCUST

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

26

Drainage Area

140.16

Nid Storage

71

Structural Height

30

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
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.