Dacus Lake Dam

Dacus Lake Dam is an earth dam located in Brazoria County, Texas, built in 1956. It carries a High hazard potential classification and has a fair condition assessment.

About Dacus Lake Dam

The primary purpose of Dacus Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dacus Land & Cattle Co (private). It impounds the Off Ch-brazos River near Brazoria.

The dam stands 9 feet tall and stretches 5,742 feet across, creates a reservoir covering 49 acres, has a maximum storage capacity of 439 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1956, 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 12/10/2019.

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
CountyBrazoria
Nearest CityBrazoria
River/StreamOff Ch-brazos River
Coordinates29.06253, -95.56896

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length5,742 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage439 acre-ft
Max Storage439 acre-ft
Normal Storage342 acre-ft
Surface Area49 acres
Drainage Area0 sq mi
Max Discharge29 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDACUS LAND & CATTLE CO
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection12/10/2019
Emergency Action PlanYes

Identifiers

NID IDTX01724
Federal IDTX01724
More InfoState Dam Safety Program

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