Millen Lake Dam Reservoir Report

Last Updated: May 6, 2026

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Millen Lake Dam, located in Bailey, Texas, was completed in 1967 for the primary purpose of irrigation.


Summary

This private Earth dam stands at 17 feet in height and stretches 1500 feet in length, holding a storage capacity of 290 acre-feet. Situated on the Blackwater Draw river, the dam does not have a spillway and is not regulated by the state. Despite its age, the dam's condition is not rated, and its hazard potential is marked as "Not Available."

Although Millen Lake Dam lacks certain safety assessments and emergency preparedness measures, its risk assessment is considered high. The dam's current condition and maintenance standards are not clearly outlined, raising concerns for potential hazards and emergencies. The surrounding area, including the city of Millen, may face risks if the dam's structural integrity is compromised. Climate and water resource enthusiasts may find interest in further investigating the safety measures and management practices associated with Millen Lake Dam to ensure the protection of its downstream communities and ecosystems.

15-Day Long Term Forecast


Year Completed

1967

Dam Length

1500

Dam Height

17

River Or Stream

BLACKWATER DRAW

Primary Dam Type

Earth

Hydraulic Height

17

Nid Storage

290

Structural Height

17

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

17
       
Seasonal Comparison

5-Day Hourly Forecast Detail

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.
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