Mack Pond Reservoir Report
Nearby: Limestone Twp 1 Twp Road 112
Last Updated: December 12, 2025
Mack Pond, also known as Limestone 11, is a private water resource located in Taunton, Minnesota.
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Summary
Managed by AREA II and NRCS, this earth dam structure was completed in 1958 to primarily serve as a fire protection, stock, or small fish pond. The pond has a hydraulic height of 13 feet and a total height of 24 feet, with a storage capacity of 53 acre-feet and a drainage area of 1.3 square miles.
Owned and regulated by the state of Minnesota, Mack Pond is under the jurisdiction of the MNDNR EWR agency. With a low hazard potential and a satisfactory condition assessment, the dam has an uncontrolled spillway system and outlet gates. While the structure has not been modified in recent years, it underwent its last inspection in March 2016 and is scheduled for inspections every 8 years. The risk assessment for Mack Pond is moderate, indicating the need for continued monitoring and potential risk management measures in the future.
Overall, Mack Pond serves multiple purposes and provides essential services to the local community, including fire protection and water storage for livestock. Its location along the Yellow Medicine River-TR and its proximity to the city of Taunton make it a vital resource for the surrounding area. With a history dating back to the late 1950s, Mack Pond stands as a testament to the importance of water resource management and climate resilience in the face of changing environmental conditions.
Year Completed |
1958 |
Dam Length |
320 |
Dam Height |
22 |
River Or Stream |
YELLOW MEDICINE RIVER-TR |
Primary Dam Type |
Earth |
Hydraulic Height |
13 |
Drainage Area |
1.3 |
Nid Storage |
53 |
Structural Height |
24 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
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.
Mack Pond