Millerville Reservoir Report

Last Updated: December 5, 2025

Millerville is a local government-owned dam located in Millerville, Minnesota, specifically designed by the County of Douglas for flood risk reduction along County Ditch 60.


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Summary

Completed in 2012, this dam stands at a height of 10 feet and has a storage capacity of 50 acre-feet. With a drainage area of 37.4 square miles, the dam serves to mitigate potential flooding in the surrounding area, showcasing its primary purpose as flood risk reduction.

Managed by the Minnesota Department of Natural Resources, Millerville operates under state regulations for permitting, inspection, and enforcement to ensure its structural integrity and functionality. Despite its low hazard potential and satisfactory condition assessment, the dam undergoes regular inspections every 8 years to uphold safety standards. With Collin Peterson (D) representing the area in Congress, the dam plays a crucial role in safeguarding the community against potential water-related risks and emergencies, underscoring its importance in water resource and climate management efforts.

Year Completed

2012

Dam Height

10

River Or Stream

COUNTY DITCH 60

Primary Dam Type

Other

Surface Area

15

Drainage Area

37.4

Nid Storage

50

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

10
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.