Montgomery Dam

Montgomery Dam is an earth dam located in Cameron County, Texas, built in 1963. It carries a Low hazard potential classification.

About Montgomery Dam

The primary purpose of Montgomery Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Rio Hondo (local government). It impounds the Arroyo Colorado near Rio Hondo.

The dam stands 21 feet tall and stretches 680 feet across, and has a maximum storage capacity of 505 acre-feet. Completed in 1963, 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. The most recent inspection on record was 04/18/1979. That was over 46 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyCameron
Nearest CityRio Hondo
River/StreamArroyo Colorado
Coordinates26.22463, -97.58610

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length680 ft
Year Completed1963 (63 years old)

Storage & Hydraulics

NID Storage505 acre-ft
Max Storage505 acre-ft
Normal Storage380 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCITY OF RIO HONDO
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection04/18/1979
Emergency Action PlanNot Required

Identifiers

NID IDTX04053
Federal IDTX04053
More InfoState Dam Safety Program

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