French And Sacia Reservoir Report
Nearby: Galesville Mill Oines
Last Updated: December 13, 2025
French and Sacia is a private dam located in Trempealeau, Wisconsin, specifically in Galesville.
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Summary
Built in 1972 by the USDA NRCS, this earth dam stands at a height of 24 feet and has a hydraulic height of 13 feet. Its primary purpose is for fire protection, stock, or as a small fish pond, with a storage capacity of 60 acre-feet and a surface area of 4 acres. The dam is regulated by the Wisconsin Department of Natural Resources and undergoes regular inspections.
Despite its age, French and Sacia is in poor condition and has been assessed with a significant hazard potential. The dam's risk assessment is classified as very high, emphasizing the importance of proper risk management measures. In the event of an emergency, there are no detailed plans or contacts readily available, highlighting the need for an updated emergency action plan. With a drainage area of 0.7 square miles and a maximum discharge of 280 cubic feet per second, the dam plays a crucial role in water resource management in the region.
Water resource and climate enthusiasts should take note of French and Sacia as a key infrastructure in the area. Its state-regulated status, coupled with its poor condition and high hazard potential, underscores the importance of effective risk management and emergency preparedness. As one of the essential structures for fire protection and water storage, the dam's significance in the local ecosystem cannot be understated. Further monitoring and maintenance efforts are crucial to ensuring the safety and functionality of French and Sacia for years to come.
Year Completed |
1972 |
Dam Length |
530 |
Dam Height |
24 |
River Or Stream |
TR-BEAVER CREEK / FRENCH CR |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
13 |
Drainage Area |
0.7 |
Nid Storage |
60 |
Structural Height |
24 |
Hazard Potential |
Significant |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Black River Near Galesville
|
862cfs |
Trempealeau River At Dodge
|
953cfs |
Trempealeau River At Arcadia
|
400cfs |
Mississippi River At Winona
|
14700cfs |
La Crosse River Near La Crosse
|
348cfs |
Root River Near Houston
|
563cfs |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Champions Riverside Resort
|
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Upper Comanche
|
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Lower Comanche
|
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Staff Row
|
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Upper Apache
|
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Lower Apache
|
French And Sacia
Marinuka Lake -- Access