Sediment Pond 34c Reservoir Report
Nearby: Big Lake Dam Sediment Pond 30c
Last Updated: December 5, 2025
Sediment Pond 34c is a private earth dam located in Atascosa, Texas, with a primary purpose of serving as a sediment pond.
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Summary
The dam stands at a height of 13 feet and has a storage capacity of 594 acre-feet, with a normal storage level of 363 acre-feet. The dam is constructed with stone core and soil foundation, covering a length of 2875 feet and a surface area of 60 acres.
Managed by the Galveston District, Sediment Pond 34c does not have a spillway and is not regulated by the state. Despite being rated as "Not Available" in terms of hazard potential and "Not Rated" in condition assessment, the dam poses a high risk level of 2 due to its lack of updated emergency action plans and risk management measures. The dam does not have any inspection records or designated emergency contacts, raising concerns about its resilience and safety in the event of a catastrophic event.
With a risk assessment indicating a high risk level, Sediment Pond 34c requires immediate attention and proper management to ensure the safety of surrounding communities and the preservation of water resources. It is crucial for relevant agencies to conduct thorough inspections, update emergency action plans, and implement risk management measures to mitigate potential hazards and protect both the dam and the environment.
Dam Length |
2875 |
Dam Height |
13 |
River Or Stream |
|
Primary Dam Type |
Earth |
Surface Area |
60 |
Hydraulic Height |
13 |
Drainage Area |
1.79 |
Nid Storage |
594 |
Structural Height |
13 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Soil |
Nid Height |
13 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Atascosa Rv Nr Mccoy
|
1cfs |
Atascosa Rv At Whitsett
|
0cfs |
San Miguel Ck Nr Tilden
|
0cfs |
Choke Canyon Res Owc Nr Three Rivers
|
33cfs |
San Antonio Rv Nr Falls City
|
151cfs |
Frio Rv At Tilden
|
0cfs |
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.
Sediment Pond 34c