Johnson Lake Dam is an earth dam located in Shackelford County, Texas, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 640 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 Johnson Lake Dam
The primary purpose of Johnson Lake Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by James Johnson (private). It impounds the Tr-deep Creek.
The dam stands 18 feet tall and stretches 640 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 159 acre-feet. 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 | Shackelford |
| River/Stream | Tr-deep Creek |
| Coordinates | 32.59205, -99.15090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 640 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 159 acre-ft |
| Max Storage | 159 acre-ft |
| Normal Storage | 40 acre-ft |
| Surface Area | 9 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | James Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX03112 |
| Federal ID | TX03112 |
| More Info | State Dam Safety Program |