Hieber Dam Reservoir Report
Nearby: Andresen/Coberly Dam Iowa Noname32
Last Updated: December 23, 2025
Hieber Dam, located in Monona, Iowa, is a private dam designed by NRCS and completed in 2000.
°F
°F
mph
Wind
%
Humidity
Summary
The dam stands at 44 feet high and spans 578 feet in length, with a primary purpose of fire protection, stock, or small fish pond. It has a storage capacity of 301 acre-feet and covers a surface area of 12.7 acres, serving as a crucial water resource in the region.
Managed by the Iowa DNR, Hieber Dam is classified as a low hazard structure with a moderate risk level. Despite its low hazard potential, the dam is equipped with an uncontrolled spillway and is regularly inspected, permitted, and regulated by state authorities. Located on TR- Elk Creek, the dam plays a vital role in managing water flow and ensuring water availability for various uses, highlighting its significance in water resource management and climate adaptation efforts in the area.
With a risk assessment indicating moderate risk, Hieber Dam stands as a key infrastructure for fire protection and water storage in the region. As water resource and climate enthusiasts continue to monitor and assess the impacts of climate change on water availability, Hieber Dam serves as a critical asset in safeguarding against potential hazards and ensuring sustainable water management practices for the future.
Year Completed |
2000 |
Dam Length |
578 |
Dam Height |
44 |
River Or Stream |
TR- ELK CREEK |
Primary Dam Type |
Earth |
Surface Area |
12.7 |
Drainage Area |
1.06 |
Nid Storage |
301 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
44 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Soldier River At Pisgah
|
112cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
Maple River At Mapleton
|
323cfs |
Boyer River At Logan
|
417cfs |
Missouri River At Decatur
|
15100cfs |
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.
Hieber Dam