Upper Locust Watershed Site L-14 Reservoir Report
Last Updated: December 11, 2025
Upper Locust Watershed Site L-14, located in Wayne County, Iowa, is a local government-owned earth dam completed in 1999 by the USDA NRCS.
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Summary
With a primary purpose of fire protection, stock, or small fish pond, this dam also serves as a flood risk reduction measure for the area. The dam has a height of 30 feet and a storage capacity of 111 acre-feet, with a normal storage level of 35 acre-feet and a surface area of 6.4 acres.
Managed by the Iowa DNR, this dam on the TR- Locust Creek has a low hazard potential and a moderate risk assessment rating. The dam is state regulated, permitted, inspected, and enforced, ensuring its safety and compliance with regulations. Despite not being rated for condition assessment, the dam plays a crucial role in water resource management and climate resilience in the region.
As a part of the Rock Island District, Upper Locust Watershed Site L-14 contributes to the overall watershed management and serves as a vital infrastructure for water supply, agricultural activities, and environmental conservation. With its strategic location and design, this dam exemplifies the collaborative efforts between federal and state agencies in safeguarding water resources and enhancing community resilience to climate-related challenges.
Year Completed |
1999 |
Dam Length |
447 |
Dam Height |
30 |
River Or Stream |
TR- LOCUST CREEK |
Primary Dam Type |
Earth |
Surface Area |
6.4 |
Drainage Area |
0.34 |
Nid Storage |
111 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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 Watershed Site L-14