Rw Mansfield Dam Reservoir Report
Nearby: Division Corral Dam Bradley Tank Dam
Last Updated: December 19, 2025
Rw Mansfield Dam, located in Oldham County, Texas, is a privately owned earth dam with a primary purpose classified as "Other." Constructed in 1979 by the USDA NRCS, this dam stands at a height of 18 feet and stretches 480 feet in length, with a storage capacity of 98 acre-feet.
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Summary
Serving as a barrier on TR-Ranch Creek, this dam plays a crucial role in managing water resources in the area, with a normal storage capacity of 23 acre-feet.
Despite not having a spillway, the dam has a maximum discharge capacity of 0. With a risk assessment rating of "High (2)" and a hazard potential that is not available, this structure has not been rated for its condition. The last inspection of the dam took place in 1982, with no subsequent updates on its condition or emergency action plan. While there are no associated structures with the dam, its construction and operation fall under the jurisdiction of the Natural Resources Conservation Service. For water resource and climate enthusiasts, Rw Mansfield Dam represents a vital piece of infrastructure in the management of water resources in the region.
Year Completed |
1979 |
Dam Length |
480 |
Dam Height |
18 |
River Or Stream |
TR-RANCH CREEK |
Primary Dam Type |
Earth |
Surface Area |
5.7 |
Drainage Area |
195 |
Nid Storage |
98 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
18 |
Seasonal Comparison
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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.
Rw Mansfield Dam