Betty Thomas Dam

Betty Thomas Dam is an earth dam located in Rapides Parish, Louisiana, built in 1957. It carries a Low hazard potential classification and has a fair condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionFair2nd of 4 ratings
Emergency action planNone on file
Last inspection04/11/2023
Height21 ft
Built195769 years ago

Dam profile

NID height · 21 ft
21 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

21 ft tall and 870 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 Betty Thomas Dam

The primary purpose of Betty Thomas Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Kent Bryant (private). It impounds the Tr-clear Bayou.

The dam stands 21 feet tall and stretches 870 feet across, creates a reservoir covering 19 acres, has a maximum storage capacity of 200 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 04/11/2023.

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Location

StateLouisiana
CountyRapides
River/StreamTr-clear Bayou
Coordinates31.42983, -92.20391

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length870 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage200 acre-ft
Max Storage200 acre-ft
Normal Storage181 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Max Discharge1,527 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerKent Bryant
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection04/11/2023
Emergency Action PlanNo

Identifiers

NID IDLA00448
Federal IDLA00448
More InfoState Dam Safety Program