Richard Hill Gss #1 Reservoir Report
Last Updated: December 10, 2025
Richard Hill Gss #1 is a private earth dam located in Garvin, Oklahoma, specifically in the city of Antioch.
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Summary
Built in 1976 by the USDA NRCS, this dam's primary purpose is debris control along Panther Creek. With a dam height of 38 feet and a length of 250 feet, it has a storage capacity of 75 acre-feet and a maximum discharge of 600 cubic feet per second. The dam's spillway is uncontrolled, with a width of 70 feet, and it has a low hazard potential and a moderate risk assessment rating.
Situated in the Tulsa District, Richard Hill Gss #1 is a vital structure in managing water resources in the area. Its strategic location in Antioch and its function in controlling debris along Panther Creek contribute to the overall water management efforts in the region. Despite not being state-regulated, the dam plays a crucial role in maintaining the environmental integrity of the surrounding area and ensuring the safety of downstream communities.
As water resource and climate enthusiasts, understanding the specifications and maintenance of dams like Richard Hill Gss #1 is essential for assessing their impact on the local ecosystem and water supply. With a focus on debris control and a moderate risk assessment, this earth dam serves as a key infrastructure for water management in Garvin, Oklahoma. Its construction by the USDA NRCS and its low hazard potential highlight the importance of responsible dam operation to ensure the safety and sustainability of water resources in the region.
Year Completed |
1976 |
Dam Length |
250 |
Dam Height |
38 |
River Or Stream |
PANTHER CR |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
38 |
Drainage Area |
0.44 |
Nid Storage |
75 |
Hazard Potential |
Low |
Nid Height |
38 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
335cfs |
North Criner Creek Near Criner
|
1cfs |
Walnut Creek At Purcell
|
28cfs |
Canadian River At Purcell
|
204cfs |
Washita River At Alex
|
239cfs |
Little Washita River East Of Ninnekah
|
18cfs |
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.
Richard Hill Gss #1