Rushmore Lake Level Control Structure
Rushmore Lake Level Control Structure is an earth dam located in Ottawa County, Michigan, built in 1975. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rushmore Lake Level Control Structure
The primary purpose of Rushmore 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 Ottawa County Drain Commissioner (private). It impounds the Rushmore Creek near Hudsonville.
The dam stands 8 feet tall and stretches 3,200 feet across, creates a reservoir covering 39 acres, has a maximum storage capacity of 185 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1975, 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 12/11/2018.
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Location
| State | Michigan |
| County | Ottawa |
| Nearest City | Hudsonville |
| River/Stream | Rushmore Creek |
| Coordinates | 42.89306, -85.80167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 3,200 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 39 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ottawa County Drain Commissioner |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/11/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00945 |
| Federal ID | MI00945 |
| More Info | State Dam Safety Program |