Eason Dam Reservoir Report
Last Updated: December 15, 2025
Eason Dam, located in Battle Creek, Iowa, is a privately owned structure designed by the NRCS.
°F
°F
mph
Wind
%
Humidity
Summary
Completed in 2002, this earth dam stands at a height of 24 feet and stretches 525 feet in length, with a storage capacity of 898 acre-feet. The dam serves multiple purposes, including fire protection and creating a small fish pond, with a low hazard potential and a moderate risk assessment rating.
Managed by the Iowa Department of Natural Resources, Eason Dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with regulations. Situated on the TR-Maple River, the dam's spillway type is uncontrolled, with a spillway width of 2 feet. Despite not being currently rated for condition assessment, the dam poses a low hazard potential and falls under moderate risk management measures. For water resource and climate enthusiasts, Eason Dam offers a glimpse into the intersection of human infrastructure and environmental stewardship.
Year Completed |
2002 |
Dam Length |
525 |
Dam Height |
24 |
River Or Stream |
TR- MAPLE RIVER |
Primary Dam Type |
Earth |
Surface Area |
4.8 |
Drainage Area |
0.48 |
Nid Storage |
898 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Maple River At Mapleton
|
323cfs |
Little Sioux River At Correctionville
|
327cfs |
North Raccoon River Near Sac City
|
312cfs |
West Fork Ditch At Hornick
|
80cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
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.
Eason Dam