Johnsons Draw Ws Scs Site 4 Dam

Johnsons Draw Ws Scs Site 4 Dam is an earth dam located in Crockett County, Texas, built in 1959. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Johnsons Draw Ws Scs Site 4 Dam

The primary purpose of Johnsons Draw Ws Scs Site 4 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Crockett County;crockett Swcd (local government). It impounds the Garrett Draw near Ozona.

The dam stands 54 feet tall and stretches 2,130 feet across, creates a reservoir covering 30 acres, has a maximum storage capacity of 8,091 acre-feet, and collects water from a drainage area of 17 square miles. Completed in 1959, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/10/2021.

At 54 feet, this dam is taller than 94% of dams nationwide.

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 HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyCrockett
Nearest CityOzona
River/StreamGarrett Draw
Coordinates30.80139, -101.18713

Physical Characteristics

Dam TypeEarth
NID Height54 ft
Dam Height45 ft
Dam Length2,130 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage8,091 acre-ft
Max Storage8,091 acre-ft
Normal Storage202 acre-ft
Surface Area30 acres
Drainage Area17 sq mi
Max Discharge30,217 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCROCKETT COUNTY;CROCKETT SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/10/2021
Emergency Action PlanYes

Identifiers

NID IDTX02370
Federal IDTX02370
More InfoState Dam Safety Program

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