Johnson Dam is an earth dam located in Lapeer County, Michigan, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall, taller than 62% 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 Dam
The primary purpose of Johnson Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Keita & Yusuke Horiba (private). It impounds the Tributary to Farmers Creek near Lapeer.
The dam stands 28 feet tall, creates a reservoir covering 10 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 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 11/12/1994. That was over 31 years ago.
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Location
| State | Michigan |
| County | Lapeer |
| Nearest City | Lapeer |
| River/Stream | Tributary to Farmers Creek |
| Coordinates | 42.95500, -83.35500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 112 acre-ft |
| Max Storage | 112 acre-ft |
| Normal Storage | 108 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | Keita & Yusuke Horiba |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/12/1994 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01425 |
| Federal ID | MI01425 |
| More Info | State Dam Safety Program |