Old Second Lift Dam

Old Second Lift Dam is an earth dam located in Fort Bend County, Texas, built in 1948. It carries a Low hazard potential classification.

About Old Second Lift Dam

The primary purpose of Old Second Lift Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Galveston County Water Authority (local government). It impounds the Oyster Creek near Sugar Land.

The dam stands 12 feet tall and stretches 200 feet across, and has a maximum storage capacity of 2,000 acre-feet. Completed in 1948, 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. The most recent inspection on record was 02/01/1983. That was over 43 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyFort Bend
Nearest CitySugar Land
River/StreamOyster Creek
Coordinates29.66139, -95.75869

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length200 ft
Year Completed1948 (78 years old)

Storage & Hydraulics

NID Storage2,000 acre-ft
Max Storage2,000 acre-ft
Normal Storage1,000 acre-ft
Spillway TypeNone

Ownership & Safety

PurposeIrrigation
OwnerGALVESTON COUNTY WATER AUTHORITY
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection02/01/1983
Emergency Action PlanNot Required

Identifiers

NID IDTX01562
Federal IDTX01562
More InfoState Dam Safety Program

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