Heil Dam
Heil Dam is an earth dam located in Gladwin County, Michigan, built in 1970. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Heil Dam
The primary purpose of Heil Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mcdonald And Gurnsey (private). It impounds the Black Creek near Edenville.
The dam stands 23 feet tall and stretches 120 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1970, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 10/01/2016.
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Location
| State | Michigan |
| County | Gladwin |
| Nearest City | Edenville |
| River/Stream | Black Creek |
| Coordinates | 43.97147, -84.32364 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 120 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 11 sq mi |
| Max Discharge | 160 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | McDonald and Gurnsey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 10/01/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00208 |
| Federal ID | MI00208 |
| More Info | State Dam Safety Program |