Llano Grande Tank Dam
Llano Grande Tank Dam is an earth dam located in McMullen County, Texas, built in 1952. It carries a Low hazard potential classification.
About Llano Grande Tank Dam
Llano Grande Tank Dam is a dam in McMullen, Texas. The dam is owned by Briscoe Ranch Inc (private). It impounds the Tr-caballo Creek.
The dam stands 12 feet tall and stretches 1,290 feet across, creates a reservoir covering 15 acres, and has a maximum storage capacity of 72 acre-feet. Completed in 1952, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | McMullen |
| River/Stream | Tr-caballo Creek |
| Coordinates | 28.30127, -98.71013 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,290 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 15 acres |
| Spillway Type | None |
Ownership & Safety
| Owner | BRISCOE RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03045 |
| Federal ID | TX03045 |
| More Info | State Dam Safety Program |