Grogan Dam

Grogan Dam is an earth dam located in Cass County, Texas, built in 1929. It carries a Low hazard potential classification.

About Grogan Dam

Grogan Dam is a dam in Cass, Texas. The dam is owned by Pj Grogan (private). It impounds the Tr-frazier Creek.

The dam stands 25 feet tall and stretches 700 feet across, and has a maximum storage capacity of 192 acre-feet. Completed in 1929, the structure is well-established, with more than 75 years of service.

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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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyCass
River/StreamTr-frazier Creek
Coordinates32.99659, -94.20834

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length700 ft
Year Completed1929 (97 years old)

Storage & Hydraulics

NID Storage192 acre-ft
Max Storage192 acre-ft
Normal Storage64 acre-ft
Spillway TypeNone

Ownership & Safety

OwnerPJ GROGAN
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDTX00394
Federal IDTX00394
More InfoState Dam Safety Program

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