Thunder Hole Dam
Thunder Hole Dam is an earth dam located in Clinton County, Michigan, built in 1966. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Thunder Hole Dam
The primary purpose of Thunder Hole Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Don & Evelyn Kunst (private). It impounds the Tributary To Maple River near Matherton.
The dam stands 26 feet tall and stretches 270 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, 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 05/21/2006. That was over 19 years ago.
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Location
| State | Michigan |
| County | Clinton |
| Nearest City | Matherton |
| River/Stream | Tributary To Maple River |
| Coordinates | 43.10593, -84.74279 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 270 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 78 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 900 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Don & Evelyn Kunst |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/21/2006 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00651 |
| Federal ID | MI00651 |
| More Info | State Dam Safety Program |