Johnson is an earth dam located in Trempealeau County, Wisconsin, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 380 ft long, taller than 55% of U.S. dams with a recorded height. 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
Johnson is a dam in Trempealeau, Wisconsin. The dam is owned by Gordon Johnson (private). It impounds the Tr Elk Creek.
The dam stands 26 feet tall and stretches 380 feet across, and has a maximum storage capacity of 40 acre-feet. Completed in 1976, the structure is 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 | Wisconsin |
| County | Trempealeau |
| Nearest City | None |
| River/Stream | Tr Elk Creek |
| Coordinates | 44.50215, -91.25035 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 380 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 40 acre-ft |
| Max Storage | 40 acre-ft |
| Normal Storage | 17 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Gordon Johnson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00916 |
| Federal ID | WI00916 |
| More Info | State Dam Safety Program |