Upper Locust Creek Watershed Site L-32 Reservoir Report
Last Updated: December 10, 2025
Upper Locust Creek Watershed Site L-32 is a flood risk reduction dam located in Wayne County, Iowa.
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Summary
Constructed in 2007 by the Natural Resources Conservation Service, this earth dam stands at a height of 22 feet and spans 535 feet in length. With a storage capacity of 81 acre-feet and a maximum discharge of 158 cubic feet per second, this structure plays a crucial role in managing water flow in the Tr to W. Fork Locust Creek.
Managed by the Iowa Department of Natural Resources, Upper Locust Creek Watershed Site L-32 is regulated, permitted, inspected, and enforced to ensure its structural integrity and functionality. With a low hazard potential and a condition assessment of "Not Rated," this dam serves as a key infrastructure for flood risk reduction in the region. Despite not having an Emergency Action Plan or inundation maps prepared, this site meets guidelines for risk management and safety measures.
Located in the Rock Island District and under the jurisdiction of the State of Iowa, Upper Locust Creek Watershed Site L-32 is a vital piece of water resource infrastructure in the area. With its primary purpose being flood risk reduction, this dam provides critical protection for surrounding communities and helps mitigate the impact of extreme weather events on the local ecosystem.
Year Completed |
2007 |
Dam Length |
535 |
Dam Height |
22 |
River Or Stream |
Tr to W. Fork Locust Creek |
Primary Dam Type |
Earth |
Surface Area |
5 |
Drainage Area |
0.25 |
Nid Storage |
81 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
22 |
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 Creek Watershed Site L-32
Corydon Lake