Teal Lake Dam Reservoir Report

Last Updated: December 5, 2025

Teal Lake Dam, located in Harris County, Texas, was completed in 1953 and serves primarily for irrigation purposes.


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Summary

The dam is an earth structure with a buttress core type, standing at a height of 8 feet and spanning a length of 6560 feet. With a storage capacity of 325 acre-feet, the dam plays a crucial role in managing water resources in the area.

Despite its age, Teal Lake Dam has not been rated for its condition, and its hazard potential is listed as "Not Available." The dam lacks a spillway and is equipped with only one outlet gate. While the last inspection date was in 1983, the dam remains under state jurisdiction and regulation by the Texas Commission on Environmental Quality (TCEQ), ensuring its continued safety and maintenance for the surrounding community.

Given its high risk assessment of 2 out of 5, there is a need for increased monitoring and risk management measures for Teal Lake Dam. As a key infrastructure for irrigation in the region, the dam's importance in water resource management cannot be understated, making its continued maintenance and oversight crucial for the safety and sustainability of the area's water supply.

Year Completed

1953

Dam Length

6560

Dam Height

8

River Or Stream

OFF CH-CYPRESS CREEK

Hydraulic Height

8

Nid Storage

325

Structural Height

8

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

8
       
Seasonal Comparison

Weather Forecast

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.