Mirror Lake Dam Reservoir Report
Nearby: Kickapoo Lake Dam Swan Lake Dam
Last Updated: December 5, 2025
Mirror Lake Dam, located in Normangee, Texas, is a local government-owned structure primarily used for recreation purposes.
°F
°F
mph
Wind
%
Humidity
Summary
Built in 1965, this earth dam stands at a height of 12 feet and has a length of 250 feet, creating a reservoir with a normal storage capacity of 37 acre-feet and a maximum storage of 50 acre-feet. The dam is regulated by the Texas Commission on Environmental Quality (TCEQ) and undergoes regular inspections to ensure its fair condition.
The dam features an uncontrolled spillway and one outlet gate, with a maximum discharge capacity of 1 cubic feet per second. In 2004, the dam underwent structural modifications to maintain its safety and functionality. Despite the moderate risk assessment rating (3), the hazard potential of the dam is not available, indicating a need for further evaluation. With its picturesque location on Running Creek and its recreational purposes, Mirror Lake Dam serves as a valuable resource for water enthusiasts and climate lovers alike.
Overall, Mirror Lake Dam presents a unique blend of natural beauty and engineering ingenuity, providing a safe and enjoyable recreational space for the community. Its consistent compliance with state regulations and regular maintenance efforts ensure the dam's continued functionality and safety for both visitors and the surrounding environment. As a vital part of the local water resource infrastructure, Mirror Lake Dam stands as a testament to the importance of sustainable water management practices in the face of changing climate conditions.
Years Modified |
2004 - Structural |
Year Completed |
1965 |
Dam Length |
250 |
Dam Height |
12 |
River Or Stream |
RUNNING CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
12 |
Drainage Area |
0.77 |
Nid Storage |
50 |
Structural Height |
12 |
Outlet Gates |
Uncontrolled - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Mirror Lake Dam