Tmpa Gibbons Creek Mine Dam Sp 7 is an earth dam located in Grimes County, Texas, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 3,400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Tmpa Gibbons Creek Mine Dam Sp 7
Tmpa Gibbons Creek Mine Dam Sp 7 is a dam in Grimes, Texas. The dam is owned by Texas Municipal Power Agency (local government). It impounds the Gibbons Creek.
The dam stands 18 feet tall and stretches 3,400 feet across, creates a reservoir covering 72 acres, has a maximum storage capacity of 1,286 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1988, the structure is 38 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. An emergency action plan is in place for this dam. The most recent inspection on record was 06/28/2005. That was over 21 years ago.
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Location
| State | Texas |
| County | Grimes |
| River/Stream | Gibbons Creek |
| Coordinates | 30.53043, -96.13604 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 3,400 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 1,286 acre-ft |
| Max Storage | 1,286 acre-ft |
| Normal Storage | 289 acre-ft |
| Surface Area | 72 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 10,188 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Texas Municipal Power Agency |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/28/2005 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX06555 |
| Federal ID | TX06555 |
| More Info | State Dam Safety Program |