Windmill Lake Dam Reservoir Report
Nearby: Iowa Noname51 Derry Dam
Last Updated: December 14, 2025
Windmill Lake Dam, located in Pickering, MO, is a local government-owned structure regulated by the Iowa Department of Natural Resources.
°F
°F
mph
Wind
%
Humidity
Summary
Built in 1969, this earth dam stands at a height of 35 feet and spans 900 feet across the TR-West Branch 102 River. The primary purpose of Windmill Lake Dam is for recreation, offering a surface area of 24.5 acres and a storage capacity of 247 acre-feet.
Despite its fair condition assessment and low hazard potential, Windmill Lake Dam is subject to moderate risk due to its location and design. The dam has a drainage area of 0.84 square miles and a normal storage capacity of 66 acre-feet. Managed by the Kansas City District of the US Army Corps of Engineers, this dam serves as an important water resource for the surrounding area, providing opportunities for outdoor activities and wildlife habitat. Climate and water resource enthusiasts will find Windmill Lake Dam to be a fascinating example of infrastructure designed to balance human needs with environmental conservation.
Year Completed |
1969 |
Dam Length |
900 |
Dam Height |
35 |
River Or Stream |
TR-WEST BRANCH 102 RIVER |
Primary Dam Type |
Earth |
Surface Area |
24.5 |
Drainage Area |
0.84 |
Nid Storage |
247 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |
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.
Windmill Lake Dam