Upper Locust Creek L-143 Reservoir Report
Last Updated: December 12, 2025
Upper Locust Creek L-143 is a flood risk reduction structure located in Reger, Putnam County, Missouri.
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Summary
Built in 2008 by the Natural Resources Conservation Service, this earth dam stands at a height of 29 feet and has a maximum storage capacity of 137.9 acre-feet. With a primary purpose of flood risk reduction, the dam also serves fire protection, stock, or small fish pond, fish and wildlife pond purposes, covering a drainage area of 200 acres.
The dam features an uncontrolled spillway with a width of 40 feet and has a low hazard potential with a moderate risk assessment rating. Despite not being state regulated, Upper Locust Creek L-143 plays a crucial role in managing the water resources of the area. With its structural height of 33 feet and a normal storage capacity of 41.1 acre-feet, this dam contributes to the conservation and protection of the surrounding environment, making it a significant asset for water resource and climate enthusiasts in the region.
Overall, Upper Locust Creek L-143 stands as a testament to the importance of flood risk reduction infrastructure in protecting communities and ecosystems. Its construction and design by the USDA NRCS highlight the collaborative efforts of local government and federal agencies in managing water resources effectively. As a key feature in the Rock Island District, this dam serves as a model for sustainable water management practices and underscores the critical role that such structures play in mitigating the impact of extreme weather events on the environment.
Year Completed |
2008 |
Dam Length |
455 |
Dam Height |
29 |
River Or Stream |
TR-LOCUST CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
28 |
Drainage Area |
200 |
Nid Storage |
137.9 |
Structural Height |
33 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
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.
Upper Locust Creek L-143