East Fork Grand River Watershed Site E-52 Reservoir Report
Last Updated: December 15, 2025
East Fork Grand River Watershed Site E-52 is a key flood risk reduction structure located in Ringgold County, Iowa.
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Summary
Owned by the local government and regulated by the Iowa Department of Natural Resources, this earth dam stands at a height of 32 feet and stretches over 560 feet in length. Completed in 2006, it serves the primary purpose of flood risk reduction along the Tr-Lotts Creek, with a storage capacity of 125 acre-feet.
Managed by the USDA NRCS, this site features a stone core and soil foundation, with a spillway width of 32 feet for uncontrolled water release. Despite being rated as low hazard potential and not yet assessed for condition, the dam poses a moderate risk according to the data provided. With a drainage area of 0.47 square miles and a normal storage capacity of 46 acre-feet, this structure plays a crucial role in managing water resources in the area and protecting surrounding communities from potential flooding events.
While the dam has not undergone recent inspections or maintenance assessments, its strategic location and design highlight its importance in the water resource management of the region. With proper oversight and risk management measures, East Fork Grand River Watershed Site E-52 continues to be a crucial asset in safeguarding the local environment and communities from the impacts of extreme weather events and climate change.
Year Completed |
2006 |
Dam Length |
560 |
Dam Height |
32 |
River Or Stream |
Tr-Lotts Creek |
Primary Dam Type |
Earth |
Surface Area |
7 |
Drainage Area |
0.47 |
Nid Storage |
125 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
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.
East Fork Grand River Watershed Site E-52