Twin Odessa Terminal Storage Reservoir

Twin Odessa Terminal Storage Reservoir is an earth dam located in Ector County, Texas, built in 1954. It carries a High hazard potential classification.

About Twin Odessa Terminal Storage Reservoir

Twin Odessa Terminal Storage Reservoir is a dam in Ector, Texas. The dam is owned by Colorado River Municipal Water District (local government). It impounds the Off-channel, Upstream Of Unnamed Trib To Monahans Draw near Odessa.

The dam stands 25 feet tall and stretches 4,600 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 491 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 03/12/2024.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Texas dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyEctor
Nearest CityOdessa
River/StreamOff-channel, Upstream Of Unnamed Trib To Monahans Draw
Coordinates31.88124, -102.39181

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length4,600 ft
Year Completed1954 (72 years old)

Storage & Hydraulics

NID Storage491 acre-ft
Max Storage491 acre-ft
Normal Storage330 acre-ft
Surface Area12 acres
Drainage Area0 sq mi
Max Discharge80 cfs
Spillway TypeUncontrolled

Ownership & Safety

OwnerCOLORADO RIVER MUNICIPAL WATER DISTRICT
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection03/12/2024
Emergency Action PlanYes

Identifiers

NID IDTX07366
Federal IDTX07366
More InfoState Dam Safety Program

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