Twp Road 127 Reservoir Report

Last Updated: December 13, 2025

Twp Road 127 is a flood risk reduction structure located in Lincoln County, Minnesota, specifically in the city of Canby.


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Summary

Completed in 1995, this earth dam stands at a height of 19 feet and spans 100 feet in length, with a storage capacity of 140 acre-feet. It serves the primary purpose of flood risk reduction along the Yellow Medicine River N B, within the Omaha District of the US Army Corps of Engineers.

Managed by the local government, Twp Road 127 is regulated by the Minnesota Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure its functionality and safety. Despite being classified as having a low hazard potential, the dam's condition assessment in 2018 deemed it satisfactory. With a moderate risk rating, risk management measures for the structure are currently unspecified, but the regular inspection interval of 8 years helps to maintain its operational integrity.

As a crucial infrastructure for managing water resources in the area, Twp Road 127 plays a significant role in mitigating flood risks and protecting the surrounding communities. With its strategic location and design features, this dam stands as a testament to the ongoing efforts to balance water resource management and climate resilience in the region.

Year Completed

1995

Dam Length

100

Dam Height

19

River Or Stream

YELLOW MEDICINE RIVER N B

Primary Dam Type

Earth

Surface Area

1

Drainage Area

15

Nid Storage

140

Structural Height

20

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
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.