Upper Cibolo Creek Ws Scs Site 3 Dam

Upper Cibolo Creek Ws Scs Site 3 Dam is an earth dam located in Kendall County, Texas, built in 1980. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Upper Cibolo Creek Ws Scs Site 3 Dam

The primary purpose of Upper Cibolo Creek Ws Scs Site 3 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 City Of Boerne;kendall County;kendall Swcd (local government). It impounds the Frederick Creek near Boerne.

The dam stands 76 feet tall and stretches 2,436 feet across, creates a reservoir covering 51 acres, has a maximum storage capacity of 4,750 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1980, the structure is 46 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 03/09/2023.

At 76 feet, this dam is taller than 97% of all dams in the United States.

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
CountyKendall
Nearest CityBoerne
River/StreamFrederick Creek
Coordinates29.77934, -98.78316

Physical Characteristics

Dam TypeEarth
NID Height76 ft
Dam Height76 ft
Dam Length2,436 ft
Year Completed1980 (46 years old)

Storage & Hydraulics

NID Storage4,750 acre-ft
Max Storage4,750 acre-ft
Normal Storage394 acre-ft
Surface Area51 acres
Drainage Area8 sq mi
Max Discharge56,812 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCITY OF BOERNE;KENDALL COUNTY;KENDALL SWCD
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/09/2023
Emergency Action PlanYes

Identifiers

NID IDTX04655
Federal IDTX04655
More InfoState Dam Safety Program

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