Alan Wilcox Reservoir Report
Nearby: Lower White River Neshkoro
Last Updated: December 5, 2025
Alan Wilcox, also known as Flowage, is a privately owned water resource located in Neshkoro, Wisconsin, along the picturesque Little Lunch Creek.
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Summary
Managed by the USDA NRCS, this earth dam was completed in 1963 for recreational purposes and stands at 15 feet tall with a length of 400 feet. With a storage capacity of 250 acre-feet and a surface area of 40 acres, this dam provides a serene environment for outdoor enthusiasts to enjoy various water activities.
Despite having a low hazard potential and fair condition assessment, Alan Wilcox poses a very high risk due to its location and potential impact on surrounding areas in case of emergencies. The dam is state-regulated by the WIDNR and undergoes regular inspections to ensure its structural integrity and compliance with safety standards. With a controlled spillway and a maximum discharge of 60 cubic feet per second, this water resource plays a crucial role in managing water flow and maintaining ecological balance in the region.
As a significant water infrastructure in Waushara County, Alan Wilcox not only offers recreational opportunities but also serves as a vital resource for the local community. With its rich history and ongoing maintenance efforts, this dam serves as a reminder of the importance of sustainable water management practices in the face of climate change and increasing water scarcity challenges. For water resource and climate enthusiasts, Alan Wilcox stands as a testament to the harmonious coexistence of human development and environmental conservation.
Year Completed |
1963 |
Dam Length |
400 |
Dam Height |
15 |
River Or Stream |
LITTLE LUNCH CREEK |
Primary Dam Type |
Earth |
Surface Area |
40 |
Hydraulic Height |
9 |
Drainage Area |
2 |
Nid Storage |
250 |
Structural Height |
15 |
Hazard Potential |
Low |
Nid Height |
15 |
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.
Alan Wilcox
White River Flowage -- Access at Near 19th And Pine View Rd