Tmpa Gibbons Creek Mine Dam Dp 1 is an earth dam located in Grimes County, Texas, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 2,700 ft long, taller than 80% of U.S. dams with a recorded height. 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 Dp 1
Tmpa Gibbons Creek Mine Dam Dp 1 is a dam in Grimes, Texas. The dam is owned by Pintail Hunting Club LLC (private). It impounds the Rock Lake Creek near Navasota.
The dam stands 35 feet tall and stretches 2,700 feet across, creates a reservoir covering 188 acres, has a maximum storage capacity of 2,170 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1987, the structure is 39 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 01/08/2001. That was over 25 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Texas |
| County | Grimes |
| Nearest City | Navasota |
| River/Stream | Rock Lake Creek |
| Coordinates | 30.58250, -96.08972 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 2,700 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 2,170 acre-ft |
| Max Storage | 2,170 acre-ft |
| Normal Storage | 669 acre-ft |
| Surface Area | 188 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,732 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 | 01/08/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06525 |
| Federal ID | TX06525 |
| More Info | State Dam Safety Program |