Nepessing Lake Level Control Structure is an earth dam located in Lapeer County, Michigan, built in 1966. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 8 ft8 ft tall and 500 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 Nepessing Lake Level Control Structure
The primary purpose of Nepessing Lake Level Control Structure is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lapeer County Dc (private). It impounds the Tributary to Farmers Creek near Lapeer.
The dam stands 8 feet tall and stretches 500 feet across, creates a reservoir covering 354 acres, has a maximum storage capacity of 730 acre-feet, and collects water from a drainage area of 3 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 12/13/2019.
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Location
| State | Michigan |
| County | Lapeer |
| Nearest City | Lapeer |
| River/Stream | Tributary to Farmers Creek |
| Coordinates | 43.02500, -83.37667 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 500 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 730 acre-ft |
| Max Storage | 730 acre-ft |
| Normal Storage | 580 acre-ft |
| Surface Area | 354 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lapeer County Dc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 12/13/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01974 |
| Federal ID | MI01974 |
| More Info | State Dam Safety Program |