Snake Den Tank Dam Reservoir Report

Last Updated: December 5, 2025

Snake Den Tank Dam, located in King County, Texas, is a private earth dam completed in 1960 with a primary purpose of fire protection, stock, or small fish pond.


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Summary

With a height of 28 feet and a length of 1020 feet, the dam has a storage capacity of 370 acre-feet and covers a surface area of 19 acres. It is situated on the TR-Little Croton Creek and is managed by the Tulsa District of the US Army Corps of Engineers.

Despite being uncontrolled, the dam has three outlet gates and a spillway width of 43 feet. The last inspection of the dam was conducted in 1977, with a moderate risk assessment rating of 3. While the hazard potential and condition assessment are listed as "Not Available" and "Not Rated" respectively, the dam continues to serve its designated purposes effectively. For water resource and climate enthusiasts, Snake Den Tank Dam offers a unique opportunity to study the intersection of water management, ecological conservation, and maintenance of critical infrastructure in a rural setting.

Year Completed

1960

Dam Length

1020

Dam Height

28

River Or Stream

TR-LITTLE CROTON CREEK

Primary Dam Type

Earth

Surface Area

19

Hydraulic Height

28

Drainage Area

1.5

Nid Storage

370

Structural Height

28

Outlet Gates

Uncontrolled - 3

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

28
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.