Johnson Dam
Johnson Dam is an earth dam located in Coleman County, Texas, built in 1962. It carries a Low hazard potential classification.
About Johnson Dam
The primary purpose of Johnson Dam 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 Otis Johnson (private). It impounds the Tr-bull Creek.
The dam stands 17 feet tall and stretches 670 feet across, creates a reservoir covering 19 acres, and has a maximum storage capacity of 184 acre-feet. Completed in 1962, 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 | Coleman |
| River/Stream | Tr-bull Creek |
| Coordinates | 31.53619, -99.45612 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 670 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 184 acre-ft |
| Max Storage | 184 acre-ft |
| Normal Storage | 106 acre-ft |
| Surface Area | 19 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | OTIS JOHNSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02176 |
| Federal ID | TX02176 |
| More Info | State Dam Safety Program |