Leroy Johnson Dam is an earth dam located in Deaf Smith County, Texas, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 425 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 Leroy Johnson Dam
The primary purpose of Leroy Johnson Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leroy Johnson (private). It impounds the Tr-tierra Blanca Creek.
The dam stands 22 feet tall and stretches 425 feet across, and has a maximum storage capacity of 100 acre-feet. Completed in 1965, 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 | Deaf Smith |
| River/Stream | Tr-tierra Blanca Creek |
| Coordinates | 34.87167, -102.26500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 425 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 62 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Leroy Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03701 |
| Federal ID | TX03701 |
| More Info | State Dam Safety Program |