Gray's Creek Raised Grade Dam is an earth dam located in Schoolcraft County, Michigan, built in 1978. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 11 ft11 ft tall and 620 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 Gray's Creek Raised Grade Dam
The primary purpose of Gray's Creek Raised Grade Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by US Fish and Wildlife Service (federal). It impounds the Gray's Creek.
The dam stands 11 feet tall and stretches 620 feet across, has a maximum storage capacity of 1,725 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. 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 07/16/2018.
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Location
| State | Michigan |
| County | Schoolcraft |
| River/Stream | Gray's Creek |
| Coordinates | 46.27528, -85.94556 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 620 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 1,725 acre-ft |
| Max Storage | 1,725 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 79 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | US Fish and Wildlife Service |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/16/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI02614 |
| Federal ID | MI02614 |
| More Info | State Dam Safety Program |