Chestnut Lake Dam is a gravity dam located in Macomb County, Michigan, built in 1968. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Chestnut Lake Dam
The primary purpose of Chestnut Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Shelby Charter Township (local government). It impounds the Middle Branch Clinton River near Macomb.
The dam stands 16 feet tall and stretches 200 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 100 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1968, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 12/19/2019.
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Location
| State | Michigan |
| County | Macomb |
| Nearest City | Macomb |
| River/Stream | Middle Branch Clinton River |
| Coordinates | 42.67833, -83.08167 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 200 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 760 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Shelby Charter Township |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/19/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01510 |
| Federal ID | MI01510 |
| More Info | State Dam Safety Program |