Mike Loftis Reservoir Report
Nearby: City Of Blackwell Oknoname 21978
Last Updated: December 21, 2025
Located in Blackwell, Oklahoma, the Mike Loftis dam is a privately owned structure designed by NRCS and regulated by the state agency OWRB.
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Summary
With a primary purpose of flood risk reduction, this earth-type dam stands at a height of 25 feet and has a hydraulic height of 22.5 feet. It is situated on an unnamed tributary to the Chikaskia River, with a storage capacity of 59.5 acre-feet and a drainage area of 0.33 square miles.
Despite being classified as having a low hazard potential, the Mike Loftis dam is considered to have a very high risk in terms of its potential impact. The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. While the dam has not been rated for its condition, it undergoes inspections every 5 years to ensure its safety and effectiveness in flood risk reduction. The structure is owned and operated privately, with no federal involvement in its funding, design, construction, or regulation.
As an essential asset for flood risk reduction in the area, the Mike Loftis dam plays a crucial role in protecting the surrounding community from potential inundation. With a history of state oversight and maintenance, this earth-type dam serves as a key component in the local water resource management system. Despite its low hazard potential, the high risk associated with the dam underscores the importance of regular inspections and monitoring to ensure its continued safety and functionality in mitigating flood risks in the region.
Dam Length |
408 |
Dam Height |
25 |
River Or Stream |
UNNAMED TRI. TO CHIKASKIA RIVER |
Primary Dam Type |
Earth |
Surface Area |
8 |
Hydraulic Height |
22.5 |
Drainage Area |
0.33 |
Nid Storage |
59.5 |
Structural Height |
25 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Chikaskia River Near Blackwell
|
199cfs |
Salt Fork Arkansas River At Tonkawa
|
368cfs |
Arkansas R At Arkansas City
|
775cfs |
Chikaskia R Nr Corbin
|
139cfs |
Slate C At Wellington
|
15cfs |
Walnut R At Winfield
|
279cfs |
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.
Mike Loftis