Borders Reservoir No 2 Dam Reservoir Report
Last Updated: December 5, 2025
Borders Reservoir No 2 Dam, located in San Augustine, Texas, is a private-owned Earth dam that was completed in 2013.
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Summary
With a height of 20 feet and a storage capacity of 260 acre-feet, this dam serves a primary purpose of "Other" and is designed with a buttress core type. The dam stands on the off-channel of Little Iron Ore Creek and has a surface area of 13 acres, with a drainage area of 0.02 square miles.
Despite its relatively small size, Borders Reservoir No 2 Dam presents a high hazard potential, classified as a risk level of 2 out of 4. The dam does not have a spillway, locks, or a hazard assessment rating, and its condition assessment is listed as "Not Rated." It is important to note that the dam is not regulated by the state and has not been inspected or assessed for emergency preparedness and response.
For water resource and climate enthusiasts, the Borders Reservoir No 2 Dam presents an intriguing case study of a privately-owned dam in Texas with limited regulatory oversight and high hazard potential. The dam's design and construction details, combined with its location and risk assessment, offer valuable insights into the challenges and considerations of managing water resources in a changing climate.
Year Completed |
2013 |
Dam Height |
20 |
River Or Stream |
OFF CHANNEL LITTLE IRON ORE CREEK |
Primary Dam Type |
Earth |
Surface Area |
13 |
Hydraulic Height |
20 |
Drainage Area |
0.02 |
Nid Storage |
260 |
Structural Height |
20 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
20 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Attoyac Bayou Nr Chireno
|
1200cfs |
Ayish Bayou Nr San Augustine
|
196cfs |
Bayou Lanana At Nacogdoches
|
9cfs |
Bayou Grand Cane Near Stanley
|
6cfs |
E Fk Angelina Rv Nr Cushing
|
40cfs |
Bayou San Patricio Near Benson
|
29cfs |
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.
Borders Reservoir No 2 Dam