Sulphur Creek Ws Scs Site 1 Dam

Sulphur Creek Ws Scs Site 1 Dam is an earth dam located in Lampasas County, Texas, built in 1959. It carries a High hazard potential classification and has a fair condition assessment.

About Sulphur Creek Ws Scs Site 1 Dam

The primary purpose of Sulphur Creek 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 Hill Country Swcd;lampasas County Wcid 1 (local government). It impounds the Donalson Creek near Lampasas.

The dam stands 68 feet tall and stretches 2,200 feet across, creates a reservoir covering 90 acres, has a maximum storage capacity of 9,085 acre-feet, and collects water from a drainage area of 20 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 08/10/2022.

At 68 feet, this dam is taller than 96% 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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyLampasas
Nearest CityLampasas
River/StreamDonalson Creek
Coordinates31.08790, -98.26768

Physical Characteristics

Dam TypeEarth
NID Height68 ft
Dam Height65 ft
Dam Length2,200 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage9,085 acre-ft
Max Storage9,085 acre-ft
Normal Storage200 acre-ft
Surface Area90 acres
Drainage Area20 sq mi
Max Discharge42,225 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerHILL COUNTRY SWCD;LAMPASAS COUNTY WCID 1
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection08/10/2022
Emergency Action PlanYes

Identifiers

NID IDTX00983
Federal IDTX00983
More InfoState Dam Safety Program

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