Anderson Pond Reservoir Report

Last Updated: December 6, 2025

Anderson Pond, located in White Rock, Minnesota, was completed in 1958 by the USDA NRCS for the primary purpose of flood risk reduction along the TR-Belle Creek River.


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Summary

This private earth dam structure stands at 26 feet high and spans 228 feet in length, with a storage capacity of 20 acre-feet and a surface area of 1 acre. Despite its low hazard potential and moderate risk assessment, the dam is currently rated as "Not Rated" in terms of condition assessment.

With a drainage area of 0.19 square miles and a maximum discharge capacity of 88 cubic feet per second, Anderson Pond serves as a vital resource for managing stormwater runoff and reducing flood risks in the surrounding area. The dam features an uncontrolled spillway and outlet gates, with no associated locks for navigation purposes. Although it has not been inspected recently and lacks an Emergency Action Plan (EAP), the pond remains a key element in the region's water resource management infrastructure.

Water resource and climate enthusiasts will appreciate Anderson Pond for its role in mitigating flood risks and protecting the local community from potential inundation. While its condition assessment may be undetermined, the pond's strategic location and design by the Natural Resources Conservation Service underscore its importance in safeguarding the environment and enhancing water conservation efforts in Goodhue County, Minnesota.

Year Completed

1958

Dam Length

228

Dam Height

26

River Or Stream

TR-BELLE CREEK RIVER

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

26

Drainage Area

0.19

Nid Storage

20

Structural Height

27

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

27
       
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.