Big Tank Dam Briscoe is an earth dam located in Webb County, Texas, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 2,845 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 Big Tank Dam Briscoe
Big Tank Dam Briscoe is a dam in Webb, Texas. The dam is owned by Briscoe Ranch Inc (private). It impounds the Alamito Creek.
The dam stands 24 feet tall and stretches 2,845 feet across, creates a reservoir covering 310 acres, and has a maximum storage capacity of 2,920 acre-feet. Completed in 1967, 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 | Webb |
| River/Stream | Alamito Creek |
| Coordinates | 27.78869, -99.01421 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 10 ft |
| Dam Length | 2,845 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 2,920 acre-ft |
| Max Storage | 2,920 acre-ft |
| Normal Storage | 992 acre-ft |
| Surface Area | 310 acres |
| Spillway Type | None |
Ownership & Safety
| Owner | Briscoe Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02278 |
| Federal ID | TX02278 |
| More Info | State Dam Safety Program |