Johnson Springs
Johnson Springs is an earth dam located in Bayfield County, Wisconsin, built in 1969. It carries a Low hazard potential classification.
About Johnson Springs
The primary purpose of Johnson Springs is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Johnson Springs Outlet near Na.
The dam stands 11 feet tall and stretches 275 feet across, creates a reservoir covering 10 acres, and has a maximum storage capacity of 60 acre-feet. Completed in 1969, 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. The most recent inspection on record was 08/01/2012. That was over 13 years ago.
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Location
| State | Wisconsin |
| County | Bayfield |
| Nearest City | Na |
| River/Stream | Johnson Springs Outlet |
| Coordinates | 46.36570, -91.23090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 7 ft |
| Dam Length | 275 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 10 acres |
| Max Discharge | 50 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/01/2012 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WI00522 |
| Federal ID | WI00522 |
| More Info | State Dam Safety Program |