Tmpa Gibbons Creek Mine Dam Sp-64
Tmpa Gibbons Creek Mine Dam Sp-64 is an earth dam located in Grimes County, Texas, built in 1995. It carries a Low hazard potential classification.
About Tmpa Gibbons Creek Mine Dam Sp-64
The primary purpose of Tmpa Gibbons Creek Mine Dam Sp-64 is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Texas Municipal Power Agency (local government). It impounds the Tr-sulphur Creek.
The dam stands 21 feet tall and stretches 1,200 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 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.
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Location
| State | Texas |
| County | Grimes |
| River/Stream | Tr-sulphur Creek |
| Coordinates | 30.62361, -96.02667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Tailings |
| Owner | TEXAS MUNICIPAL POWER AGENCY |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX07044 |
| Federal ID | TX07044 |
| More Info | State Dam Safety Program |