Hidden Lake Dam is a gravity dam located in Livingston County, Michigan, built in 1960. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 7 ft7 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 Hidden Lake Dam
The primary purpose of Hidden Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Doe Schubert (private). It impounds the Trib to S Br Shiawassee River near Argentine.
The dam stands 7 feet tall and stretches 200 feet across, creates a reservoir covering 60 acres, has a maximum storage capacity of 170 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1960, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 05/14/2014. That was over 12 years ago.
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Location
| State | Michigan |
| County | Livingston |
| Nearest City | Argentine |
| River/Stream | Trib to S Br Shiawassee River |
| Coordinates | 42.73004, -83.92173 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 200 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 170 acre-ft |
| Max Storage | 170 acre-ft |
| Normal Storage | 96 acre-ft |
| Surface Area | 60 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 83 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Doe Schubert |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/14/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01460 |
| Federal ID | MI01460 |
| More Info | State Dam Safety Program |