Delta Creek Pool Dam Reservoir Report

Last Updated: December 5, 2025

Delta Creek Pool Dam, located in Schoolcraft, Michigan, is a Federal-owned structure regulated by the Michigan Department of Environment, Great Lakes, and Energy.


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Summary

Completed in 1937 by the USDA Bureau of Agricultural Engineering, this Earth dam stands at 12 feet in height and spans a length of 4450 feet along Delta Creek. The primary purpose of the dam is to create a Fish and Wildlife Pond, providing essential habitat for aquatic species in the area.

Despite its low hazard potential, Delta Creek Pool Dam is currently in poor condition, as assessed during the last inspection in August 2018. The dam has a very high risk rating of 1, highlighting the importance of ongoing monitoring and maintenance efforts to ensure its structural integrity. The dam has undergone modifications in 1960 to enhance its structural stability, and it features a Controlled spillway type with Other Controlled outlet gates for water flow management.

Water resource and climate enthusiasts interested in the ecological significance of dams in supporting local biodiversity and wildlife conservation efforts will find Delta Creek Pool Dam an intriguing case study. As a critical component of the region's water infrastructure, this dam serves as both a flood control measure and a vital habitat for fish and wildlife, showcasing the intersection of human engineering and environmental stewardship in water resource management.

Years Modified

1960 - Structural

Year Completed

1937

Dam Length

4450

Dam Height

12

River Or Stream

DELTA CREEK

Primary Dam Type

Earth

Hydraulic Height

12

Drainage Area

5.9

Nid Storage

2416

Structural Height

13

Outlet Gates

Other Controlled

Hazard Potential

Low

Foundations

Soil

Nid Height

13
       
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.