Gratiot-saginaw Sga Impoundment #1 Dam
Gratiot-saginaw Sga Impoundment #1 Dam is an earth dam located in Gratiot County, Michigan, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
About Gratiot-saginaw Sga Impoundment #1 Dam
Gratiot-saginaw Sga Impoundment #1 Dam is a dam in Gratiot, Michigan. The dam is owned by Mdnr Wildlife (state). It impounds the Tributary To Potato Creek near Saint Charles.
The dam stands 7 feet tall and stretches 1,500 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 190 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1963, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 10/29/2014. That was over 11 years ago.
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Location
| State | Michigan |
| County | Gratiot |
| Nearest City | Saint Charles |
| River/Stream | Tributary To Potato Creek |
| Coordinates | 43.24847, -84.42090 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 190 acre-ft |
| Max Storage | 190 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 240 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | MDNR Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 10/29/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01625 |
| Federal ID | MI01625 |
| More Info | State Dam Safety Program |