Crystal Lake Dam
Crystal Lake Dam is an earth dam located in Hillsdale County, Michigan, built in 1976. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Crystal Lake Dam
The primary purpose of Crystal Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hillsdale County Drain Commissioner (private). It impounds the Trib To Grand River.
The dam stands 10 feet tall and stretches 100 feet across, creates a reservoir covering 125 acres, and has a maximum storage capacity of 290 acre-feet. Completed in 1976, the structure is 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 09/30/2019.
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Location
| State | Michigan |
| County | Hillsdale |
| River/Stream | Trib To Grand River |
| Coordinates | 42.06167, -84.41139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 100 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 125 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hillsdale County Drain Commissioner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/30/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00956 |
| Federal ID | MI00956 |
| More Info | State Dam Safety Program |