Tdcj Eastham Unit Garden Lake Dam Reservoir Report
Last Updated: December 5, 2025
The Tdcj Eastham Unit Garden Lake Dam, located in Houston, Texas, is a crucial structure designed by the USDA NRCS for irrigation purposes.
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Summary
Completed in 1939, this Earth-type dam stands at a height of 24 feet and spans a length of 575 feet, providing a storage capacity of 340 acre-feet. Despite its age, the dam is state-regulated and regularly inspected by the Texas Commission on Environmental Quality (TCEQ) to ensure its safety and compliance with regulatory standards.
Situated on the TR-Trinity River, the Tdcj Eastham Unit Garden Lake Dam plays a significant role in water resource management in the region. With a high hazard potential and a risk assessment rating of 2 (High), it is crucial for authorities to closely monitor and manage the dam to prevent any potential risks or emergencies. Although the dam lacks a spillway, it is equipped with one outlet gate for controlled water release. As climate change continues to impact water resources, the maintenance and operation of structures like the Tdcj Eastham Unit Garden Lake Dam become increasingly important for ensuring water security and sustainability in the area.
As water resource and climate enthusiasts, it is essential to understand the significance of dams like the Tdcj Eastham Unit Garden Lake Dam in managing water supply and irrigation needs. With its historical importance and critical role in the region's water infrastructure, this dam serves as a reminder of the ongoing challenges and responsibilities in safeguarding our water resources amidst changing environmental conditions. By staying informed and actively supporting efforts to maintain and improve water management systems, we can contribute to a more sustainable and resilient future for water resources and climate adaptation.
Year Completed |
1939 |
Dam Length |
575 |
Dam Height |
24 |
River Or Stream |
TR-TRINITY RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
24 |
Nid Storage |
340 |
Structural Height |
24 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Bedias Ck Nr Madisonville
|
19cfs |
W Fk San Jacinto Rv Nr Huntsville
|
34cfs |
Trinity Rv Nr Crockett
|
2670cfs |
Kickapoo Ck At Onalaska
|
17cfs |
Navasota Rv At Old Spanish Rd Nr Bryan
|
50cfs |
Lake Ck Nr Dobbin
|
14cfs |
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.
Tdcj Eastham Unit Garden Lake Dam