Earnest L Johnson Dam is an earth dam located in Nacogdoches County, Texas, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 440 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 Earnest L Johnson Dam
The primary purpose of Earnest L 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 Earnest Johnson (private). It impounds the Tr-banita Creek near Nacogdoches.
The dam stands 12 feet tall and stretches 440 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 | Nacogdoches |
| Nearest City | Nacogdoches |
| River/Stream | Tr-banita Creek |
| Coordinates | 31.72497, -94.65479 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 440 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Earnest Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03867 |
| Federal ID | TX03867 |
| More Info | State Dam Safety Program |