Nahma Marsh Dam
Nahma Marsh Dam is an earth dam located in Delta County, Michigan, built in 1988. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Nahma Marsh Dam
The primary purpose of Nahma Marsh Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hiawatha National Forest (federal). It impounds the Tributary To Sturgeon River near Nahma Junction.
The dam stands 7 feet tall and stretches 390 feet across, creates a reservoir covering 82 acres, has a maximum storage capacity of 360 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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 10/30/2017.
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Location
| State | Michigan |
| County | Delta |
| Nearest City | Nahma Junction |
| River/Stream | Tributary To Sturgeon River |
| Coordinates | 45.85972, -86.67694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 390 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 160 acre-ft |
| Surface Area | 82 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hiawatha National Forest |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/30/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00283 |
| Federal ID | MI00283 |
| More Info | State Dam Safety Program |