Tmpa Gibbons Creek Mine Dam 10a 10b is an earth dam located in Grimes County, Texas, built in 1983. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 1,600 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 10a 10b
Tmpa Gibbons Creek Mine Dam 10a 10b is a dam in Grimes, Texas. The dam is owned by Pintail Hunting Club LLC (private). It impounds the Tr-navasota River.
The dam stands 23 feet tall and stretches 1,600 feet across, creates a reservoir covering 112 acres, has a maximum storage capacity of 1,508 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1983, the structure is 43 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 12/17/2007. That was over 18 years ago.
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Location
| State | Texas |
| County | Grimes |
| River/Stream | Tr-navasota River |
| Coordinates | 30.54722, -96.14389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 1,600 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 1,508 acre-ft |
| Max Storage | 1,508 acre-ft |
| Normal Storage | 953 acre-ft |
| Surface Area | 112 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,830 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Pintail Hunting Club LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/17/2007 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | TX06935 |
| Federal ID | TX06935 |
| More Info | State Dam Safety Program |