San Ambrosia Tank Dam is an earth dam located in Webb County, Texas, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 150 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 San Ambrosia Tank Dam
San Ambrosia Tank Dam is a dam in Webb, Texas. The dam is owned by Briscoe Ranch Inc (private). It impounds the San Ambrosia Creek.
The dam stands 16 feet tall and stretches 150 feet across, and has a maximum storage capacity of 164 acre-feet. Completed in 1938, the structure is well-established, with more than 75 years of service.
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 | San Ambrosia Creek |
| Coordinates | 28.16397, -100.10757 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 150 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 164 acre-ft |
| Max Storage | 164 acre-ft |
| Normal Storage | 164 acre-ft |
| 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 | TX02244 |
| Federal ID | TX02244 |
| More Info | State Dam Safety Program |