Upper East Fk Laterals Ws Scs Site 5a Dam

Upper East Fk Laterals Ws Scs Site 5a Dam is an earth dam located in Rockwall County, Texas, built in 1955. It carries a High hazard potential classification and has a unsatisfactory condition assessment.

Hazard potentialHighFailure would probably cost lives
ConditionUnsatisfactoryWorst of 4 · considered unsafe
Emergency action planOn file
Last inspection06/06/2023
Height39 ft
Built195571 years ago

Dam profile

NID height · 39 ft
39 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

39 ft tall and 1,934 ft long, taller than 85% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Upper East Fk Laterals Ws Scs Site 5a Dam

The primary purpose of Upper East Fk Laterals Ws Scs Site 5a 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 Kaufman Van Zandt Rockwall Swcd;rockwall County (local government). It impounds the Brockway Branch.

The dam stands 39 feet tall and stretches 1,934 feet across, has a maximum storage capacity of 890 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1955, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 06/06/2023.

At 39 feet, this dam is taller than 85% 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.

Location

StateTexas
CountyRockwall
River/StreamBrockway Branch
Coordinates32.87535, -96.46128

Physical Characteristics

Dam TypeEarth
NID Height39 ft
Dam Height39 ft
Dam Length1,934 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage890 acre-ft
Max Storage890 acre-ft
Normal Storage131 acre-ft
Drainage Area1 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerKaufman Van Zandt Rockwall Swcd;rockwall County
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection06/06/2023
Emergency Action PlanYes

Identifiers

NID IDTX00802
Federal IDTX00802
More InfoState Dam Safety Program