Rancho Blanco is an earth dam located in Webb County, Texas, built in 1943. It carries a Low hazard potential classification.
Dam profile
NID height · 49 ft49 ft tall and 1,350 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Rancho Blanco
The primary purpose of Rancho Blanco is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Rancho Blanco LLC (private). It impounds the Becerra Creek.
The dam stands 49 feet tall and stretches 1,350 feet across, and has a maximum storage capacity of 21,500 acre-feet. Completed in 1943, 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. The most recent inspection on record was 02/11/1976. That was over 50 years ago.
At 49 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Texas |
| County | Webb |
| River/Stream | Becerra Creek |
| Coordinates | 27.29453, -99.48139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 1,350 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 21,500 acre-ft |
| Max Storage | 21,500 acre-ft |
| Normal Storage | 1,730 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Rancho Blanco LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/11/1976 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02250 |
| Federal ID | TX02250 |
| More Info | State Dam Safety Program |