Krob Herbert R. Reservoir Report
Last Updated: December 22, 2025
Krob Herbert R.
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Summary
is a privately owned dam located in Guthrie, Oklahoma, and is regulated by the Oklahoma Water Resources Board. It was completed in 1965 and primarily serves as a recreational area, offering a surface area of 8 acres for various water activities. The dam stands at a height of 25 feet and has a controlled spillway type with a width of 1 foot.
With a maximum storage capacity of 100 acre-feet and a normal storage level of 70 acre-feet, Krob Herbert R. has a low hazard potential and a very high risk assessment rating. Despite not being rated for its condition assessment, the dam has not undergone any recent modifications and is inspected every 5 years. Emergency action plans and inundation maps have not been prepared, indicating a potential area for improvement in risk management measures.
Water resource and climate enthusiasts interested in the management and regulation of dams will find Krob Herbert R. to be an intriguing case study. With its location along the TR-Cottonwood Creek and close proximity to Guthrie, this privately owned dam provides valuable insights into the recreational and safety considerations that go into maintaining water infrastructure in Oklahoma.
Year Completed |
1965 |
Dam Length |
370 |
Dam Height |
25 |
River Or Stream |
TR-COTTONWOOD CREEK |
Primary Dam Type |
Earth |
Surface Area |
8 |
Hydraulic Height |
25 |
Nid Storage |
100 |
Structural Height |
25 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
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.
Krob Herbert R.