Marlin New City Lake Dam Reservoir Report
Last Updated: December 22, 2025
Marlin New City Lake Dam, located in Falls County, Texas, serves as a crucial water supply source for the area.
°F
°F
mph
Wind
%
Humidity
Summary
Built in 1948, this earth dam stands at a height of 50 feet and stretches 2000 feet in length. With a storage capacity of 7221 acre-feet and a surface area of 485 acres, the dam plays a key role in managing the water resources of the region and regulating the flow of Big Sandy Creek.
The dam has undergone structural modifications in 1983 and 1988 to ensure its continued reliability and safety. It features an uncontrolled spillway with a width of 750 feet, capable of discharging up to 38,000 cubic feet per second. Despite being classified as having an unsatisfactory condition, the dam has a moderate risk level according to assessments. The Texas Commission on Environmental Quality (TCEQ) oversees the regulation, inspection, and enforcement of this dam, highlighting the importance of maintaining its integrity for the community's water supply needs.
Marlin New City Lake Dam's strategic location and design make it a vital component of the water infrastructure in Falls County. With its historical significance and ongoing monitoring for safety and risk mitigation, this dam exemplifies the intersection of water resource management and climate resilience in the region, serving as a testament to the critical role of infrastructure in sustaining communities and ecosystems in the face of changing environmental conditions.
Years Modified |
1983 - Structural, 1988 - Structural |
Year Completed |
1948 |
Dam Length |
2000 |
Dam Height |
50 |
River Or Stream |
BIG SANDY CREEK |
Primary Dam Type |
Earth |
Surface Area |
485 |
Hydraulic Height |
50 |
Drainage Area |
22.3 |
Nid Storage |
7221 |
Structural Height |
50 |
Outlet Gates |
Uncontrolled - 2, Valve - 3 |
Hazard Potential |
Not Available |
Foundations |
Rock, Soil |
Nid Height |
50 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Brazos Rv Nr Highbank
|
213cfs |
Brazos Rv At Waco
|
111cfs |
Little Pond Ck Nr Burlington
|
0cfs |
Navasota Rv Abv Groesbeck
|
2cfs |
N Elm Ck At Rosebud Rd Nr Meeks
|
0cfs |
Big Elm Ck At Sh 77 Nr Cameron
|
940cfs |
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.
Marlin New City Lake Dam