Lower Greens Bayou Regional Detention Facility

Lower Greens Bayou Regional Detention Facility is a concrete dam located in Harris County, Texas, built in 1995. It carries a Low hazard potential classification.

About Lower Greens Bayou Regional Detention Facility

The primary purpose of Lower Greens Bayou Regional Detention Facility is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Harris County Flood Control District (local government). It impounds the Greens Bayou.

The dam stands 47 feet tall and stretches 21,400 feet across, has a maximum storage capacity of 4,684 acre-feet, and collects water from a drainage area of 131 square miles. Completed in 1995, the structure is 31 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 02/18/2011. That was over 15 years ago.

At 47 feet, this dam is taller than 92% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyHarris
River/StreamGreens Bayou
Coordinates29.85948, -95.23167

Physical Characteristics

Dam TypeConcrete
NID Height47 ft
Dam Height47 ft
Dam Length21,400 ft
Year Completed1995 (31 years old)

Storage & Hydraulics

NID Storage4,684 acre-ft
Max Storage4,684 acre-ft
Drainage Area131 sq mi
Spillway TypeNone

Ownership & Safety

PurposeFlood Risk Reduction
OwnerHARRIS COUNTY FLOOD CONTROL DISTRICT
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection02/18/2011
Emergency Action PlanNot Required

Identifiers

NID IDTX06947
Federal IDTX06947
More InfoState Dam Safety Program

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