Wright Dam No 1 is an earth dam located in Webb County, Texas, built in 1928. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 1,500 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 Wright Dam No 1
The primary purpose of Wright Dam No 1 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Dr La Wright Et Al (private). It impounds the Tr-rio Grande.
The dam stands 18 feet tall and stretches 1,500 feet across, and has a maximum storage capacity of 360 acre-feet. Completed in 1928, 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 03/06/1972. That was over 54 years ago.
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Location
| State | Texas |
| County | Webb |
| River/Stream | Tr-rio Grande |
| Coordinates | 27.45531, -99.43843 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 150 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Dr La Wright Et Al |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/06/1972 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02257 |
| Federal ID | TX02257 |
| More Info | State Dam Safety Program |