Johnson Ranch Dam No 2 is an earth dam located in Gray County, Texas, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 473 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 Ranch Dam No 2
The primary purpose of Johnson Ranch Dam No 2 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 Mt Johnson Et Al (private). It impounds the Tr-mcclellan Creek.
The dam stands 22 feet tall and stretches 473 feet across, has a maximum storage capacity of 123 acre-feet, and collects water from a drainage area of 540 square miles. Completed in 1966, 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 | Gray |
| River/Stream | Tr-mcclellan Creek |
| Coordinates | 35.18333, -100.81667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 21 ft |
| Dam Length | 473 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 123 acre-ft |
| Max Storage | 123 acre-ft |
| Normal Storage | 79 acre-ft |
| Drainage Area | 540 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Mt Johnson Et Al |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX06685 |
| Federal ID | TX06685 |
| More Info | State Dam Safety Program |