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.
Dam profile
NID height · 47 ft47 ft tall and 21,400 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic concrete gravity section and the water level is illustrative.
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 91% of dams nationwide.
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Location
| State | Texas |
| County | Harris |
| River/Stream | Greens Bayou |
| Coordinates | 29.85948, -95.23167 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 21,400 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 4,684 acre-ft |
| Max Storage | 4,684 acre-ft |
| Drainage Area | 131 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Harris County Flood Control District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/18/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06947 |
| Federal ID | TX06947 |
| More Info | State Dam Safety Program |