Walters Creek Watershed Site 12-1 Reservoir Report
Last Updated: December 14, 2025
Walters Creek Watershed Site 12-1, located in Nodaway, Iowa, is a dam with a primary purpose of fire protection, stock, or small fish pond, as well as flood risk reduction.
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Summary
Built in 1968 by the USDA NRCS, this earth dam stands at a height of 34 feet and has a length of 681 feet. The dam has a storage capacity of 101 acre-feet and covers a drainage area of 0.52 square miles along the TR-Kemp Creek.
Despite being classified as low hazard potential, the dam at Walters Creek Watershed Site 12-1 has a moderate risk assessment rating of 3. While the condition of the dam has not been officially rated, it is under state jurisdiction and regulation by the Iowa DNR. With a controlled spillway type and uncontrolled spillway width, the dam poses a moderate risk that requires ongoing risk management measures to ensure its continued safety and functionality for the surrounding community. For water resource and climate enthusiasts, this site offers a fascinating opportunity to study the intersection of water management, infrastructure, and environmental risk assessment in a rural Iowa setting.
Year Completed |
1968 |
Dam Length |
681 |
Dam Height |
34 |
River Or Stream |
TR-KEMP CREEK |
Primary Dam Type |
Earth |
Surface Area |
7 |
Drainage Area |
0.52 |
Nid Storage |
101 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
34 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Walters Creek Watershed Site 12-1