Neshkoro Reservoir Report
Nearby: Alan Wilcox Lower White River
Last Updated: December 5, 2025
Neshkoro, a small town in Wisconsin, is home to the White River dam, which was completed in 1852 for recreational purposes.
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Summary
This gravity dam stands at 19 feet tall and has a storage capacity of 945 acre-feet. Despite its age, the dam has a low hazard potential but is currently in poor condition according to a 2014 assessment. The dam is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections and enforcement to ensure public safety.
Located in Marquette County, Neshkoro offers visitors a picturesque setting along the White River, with a surface area of 184 acres and a drainage area of 120 square miles. The dam, with a length of 100 feet, controls the flow of water and has a maximum discharge of 2200 cubic feet per second. The risk assessment for the dam is very high, indicating the need for comprehensive risk management measures to address any potential issues and ensure the safety of the surrounding community.
Despite its historical significance and recreational appeal, the White River dam in Neshkoro faces challenges in terms of its structural integrity and risk management. With its unique design and location, the dam serves as a focal point for water resource and climate enthusiasts who are interested in understanding the complexities of managing and maintaining aging infrastructure in a changing environment. As efforts continue to address the dam's poor condition and high risk level, stakeholders and regulators work together to ensure the long-term sustainability and safety of this vital water resource.
Years Modified |
1912 - Other |
Year Completed |
1852 |
Dam Length |
100 |
Dam Height |
19 |
River Or Stream |
WHITE RIVER |
Primary Dam Type |
Gravity |
Surface Area |
184 |
Hydraulic Height |
13 |
Drainage Area |
120 |
Nid Storage |
945 |
Structural Height |
19 |
Hazard Potential |
Low |
Nid Height |
19 |
Seasonal Comparison
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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.
Neshkoro
Neshkoro Pond -- Access