Weidman Mill Pond Dam Reservoir Report

Last Updated: December 5, 2025

Located in Weidman, Michigan, the Weidman Mill Pond Dam is a privately owned structure that serves the primary purpose of recreation.


°F

°F

mph

Wind

%

Humidity

Summary

Built in 1900, this earth dam on the Coldwater River stands at a height of 12 feet and has a storage capacity of 300 acre-feet. The dam's surface area covers 65 acres with a drainage area of 47.6 square miles, making it a significant feature in the region.

Managed by the Michigan Department of Environment, Great Lakes, and Energy (DEGLE), the Weidman Mill Pond Dam has a state-regulated status, with inspections conducted regularly to ensure its structural integrity. Despite being classified as having a significant hazard potential, the dam's condition assessment remains fair. With a spillway type of uncontrolled and a moderate risk assessment rating, the dam poses manageable risks that are continuously monitored by the responsible authorities.

Water resource and climate enthusiasts will find the Weidman Mill Pond Dam's historical significance and recreational value appealing. The dam's presence on the Coldwater River provides opportunities for outdoor activities and serves as a key feature in the local landscape. With its fair condition and moderate risk level, the dam exemplifies the balance between human use and environmental safety in water resource management.

Year Completed

1900

Dam Height

12

River Or Stream

Coldwater River

Primary Dam Type

Earth

Surface Area

65

Hydraulic Height

11

Drainage Area

47.6

Nid Storage

300

Structural Height

12

Hazard Potential

Significant

Nid Height

12
       
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.