Mc Intosh Dam Reservoir Report
Last Updated: December 13, 2025
Mc Intosh Dam, located in Pisgah, Iowa, is a privately owned structure designed by the USDA NRCS and completed in 1977.
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Summary
The dam serves multiple purposes including fire protection, stock, and small fish pond. It is an earth dam with a height of 42 feet and a length of 500 feet, creating a reservoir with a storage capacity of 31 acre-feet. The dam is regulated by the Iowa Department of Natural Resources, with state jurisdiction and permitting in place.
Situated on the TR- Soldier River, Mc Intosh Dam has a low hazard potential and is currently rated as "Not Rated" for condition assessment. Despite being in a moderate risk area, the dam meets guidelines for emergency action plans and has not experienced any recent modifications. The risk management measures for the dam are not specified, and there is no information available on the emergency contact updates or inundation maps. Overall, Mc Intosh Dam is a vital resource for water storage and protection in the Harrison County area, serving the local community and wildlife.
Year Completed |
1977 |
Dam Length |
500 |
Dam Height |
42 |
River Or Stream |
TR- SOLDIER RIVER |
Primary Dam Type |
Earth |
Surface Area |
3.9 |
Drainage Area |
0.38 |
Nid Storage |
31 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
42 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Soldier River At Pisgah
|
112cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
Boyer River At Logan
|
417cfs |
Missouri River At Decatur
|
15200cfs |
Maple River At Mapleton
|
323cfs |
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.
Mc Intosh Dam