Dry Devils And Lowrey Ws Scs Site 1 Dam

Dry Devils And Lowrey Ws Scs Site 1 Dam is an earth dam located in Schleicher County, Texas, built in 1961. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Dry Devils And Lowrey Ws Scs Site 1 Dam

The primary purpose of Dry Devils And Lowrey Ws Scs Site 1 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 Eldorado Divide Swcd;schleicher County (local government). It impounds the Tr-dry Devils River near Sonora.

The dam stands 48 feet tall and stretches 2,480 feet across, creates a reservoir covering 37 acres, has a maximum storage capacity of 9,466 acre-feet, and collects water from a drainage area of 20 square miles. Completed in 1961, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 01/31/2024.

At 48 feet, this dam is taller than 92% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateTexas
CountySchleicher
Nearest CitySonora
River/StreamTr-dry Devils River
Coordinates30.77662, -100.66358

Physical Characteristics

Dam TypeEarth
NID Height48 ft
Dam Height48 ft
Dam Length2,480 ft
Year Completed1961 (65 years old)

Storage & Hydraulics

NID Storage9,466 acre-ft
Max Storage9,466 acre-ft
Normal Storage200 acre-ft
Surface Area37 acres
Drainage Area20 sq mi
Max Discharge24,909 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerELDORADO DIVIDE SWCD;SCHLEICHER COUNTY
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection01/31/2024
Emergency Action PlanYes

Identifiers

NID IDTX02298
Federal IDTX02298
More InfoState Dam Safety Program

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