Hillbolt Lake Dam

Hillbolt Lake Dam is an earth dam located in Austin County, Texas, built in 1960. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height20 ft
Built196066 years ago

Dam profile

NID height · 20 ft
20 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

20 ft tall and 575 ft long. 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 Hillbolt Lake Dam

The primary purpose of Hillbolt Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Wc Hillbolt (private). It impounds the Tr-cat Springs Creek.

The dam stands 20 feet tall and stretches 575 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 80 acre-feet. Completed in 1960, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

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Location

StateTexas
CountyAustin
River/StreamTr-cat Springs Creek
Coordinates29.86657, -96.30608

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length575 ft
Year Completed1960 (66 years old)

Storage & Hydraulics

NID Storage80 acre-ft
Max Storage80 acre-ft
Normal Storage40 acre-ft
Surface Area5 acres
Spillway TypeNone

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerWc Hillbolt
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDTX05480
Federal IDTX05480
More InfoState Dam Safety Program