Deer Creek Dam Reservoir Report
Last Updated: December 14, 2025
Deer Creek Dam, located in Sioux City, Iowa, was completed in 1995 and serves as a vital water resource for the area.
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Summary
Owned by the state and regulated by the Iowa Department of Natural Resources, this earth dam stands at a height of 55 feet and spans a length of 745 feet. With a storage capacity of 1400 acre-feet and a surface area of 44 acres, Deer Creek Dam primarily caters to recreational purposes, offering opportunities for activities like boating and fishing.
Despite its high hazard potential, Deer Creek Dam has been assessed as being in satisfactory condition, with inspections conducted every two years to ensure its safety and functionality. The dam's spillway, classified as uncontrolled, has a width of 5 feet, allowing for the controlled release of excess water during periods of heavy rainfall. With a moderate risk assessment rating, Deer Creek Dam continues to play a crucial role in managing water resources and mitigating the impacts of potential flooding events in the region. It stands as a testament to effective water resource management and engineering design by BUTTS ENGINEERING.
Year Completed |
1995 |
Dam Length |
745 |
Dam Height |
55 |
River Or Stream |
DEER CREEK |
Primary Dam Type |
Earth |
Surface Area |
44 |
Drainage Area |
2.49 |
Nid Storage |
1400 |
Hazard Potential |
High |
Foundations |
Rock, Soil |
Nid Height |
55 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Perry Creek Near Milnerville
|
25cfs |
Big Sioux River At Akron
|
816cfs |
Floyd River At James
|
187cfs |
Missouri River At Sioux City
|
13700cfs |
Vermillion River Nr Vermillion Sd
|
33cfs |
Omaha Cr At Homer
|
45cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Deer Creek Dam