Piedra Tank Dam
Piedra Tank Dam is an earth dam located in Duval County, Texas, built in 1958. It carries a Low hazard potential classification.
About Piedra Tank Dam
The primary purpose of Piedra Tank Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Exxon Mobil Corporation (private). It impounds the Tr-ygnacio Creek.
The dam stands 14 feet tall and stretches 1,037 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 61 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1958, the structure is well into its service life at over 50 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 | Duval |
| River/Stream | Tr-ygnacio Creek |
| Coordinates | 27.99555, -98.69226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,037 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | EXXON MOBIL CORPORATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06648 |
| Federal ID | TX06648 |
| More Info | State Dam Safety Program |