Mercer Lake No 2 Dam Reservoir Report
Last Updated: December 5, 2025
Mercer Lake No 2 Dam, located in Gonzales, Texas, was completed in 1962 and serves primarily for recreation and water supply purposes.
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Summary
This private-owned earth dam stands at a height of 22 feet and has a length of 1775 feet, providing a storage capacity of 123 acre-feet. Despite its modest size, the dam plays a crucial role in the local water management system, supporting both recreational activities and water supply needs in the area.
Situated on the TR-Sandy Fork stream and managed by the Fort Worth District of the US Army Corps of Engineers, Mercer Lake No 2 Dam has a high risk assessment rating of 2, although its specific hazard potential and condition assessment are currently unavailable. The dam lacks a spillway and drainage area, which may pose challenges in the event of heavy rainfall or flooding. With no recent inspection data or emergency action plan in place, there is a need for enhanced monitoring and risk management measures to ensure the safety and longevity of this water resource infrastructure.
Enthusiasts interested in water resource management and climate resilience will find Mercer Lake No 2 Dam a fascinating case study, highlighting the importance of proper maintenance and oversight for small-scale dams. As climate change continues to impact water availability and quality, the significance of infrastructure like Mercer Lake No 2 Dam in ensuring sustainable water supply and recreational opportunities becomes increasingly evident. The dam's unique design features and location provide valuable insights into the challenges and opportunities associated with managing water resources in a changing climate.
Year Completed |
1962 |
Dam Length |
1775 |
Dam Height |
22 |
River Or Stream |
TR-SANDY FORK |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
22 |
Nid Storage |
123 |
Structural Height |
22 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
22 |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Independence City Park
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Green Dickson Park
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Lake Wood Rec Area
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Mercer Lake No 2 Dam