Shiawassee Flats Dam
Shiawassee Flats Dam is a dam located in Saginaw County, Michigan, built in 1964. It carries a Low hazard potential classification and has a fair condition assessment.
About Shiawassee Flats Dam
The primary purpose of Shiawassee Flats Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mdnr Wildlife (state). It impounds the Shiawassee River near Saginaw.
The dam stands 12 feet tall and stretches 15,000 feet across, creates a reservoir covering 1,600 acres, has a maximum storage capacity of 9,100 acre-feet, and collects water from a drainage area of 626 square miles. Completed in 1964, 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 05/23/2018.
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Location
| State | Michigan |
| County | Saginaw |
| Nearest City | Saginaw |
| River/Stream | Shiawassee River |
| Coordinates | 43.31428, -84.10341 |
Physical Characteristics
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 15,000 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 9,100 acre-ft |
| Max Storage | 9,100 acre-ft |
| Normal Storage | 2,500 acre-ft |
| Surface Area | 1,600 acres |
| Drainage Area | 626 sq mi |
| Max Discharge | 8,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MDNR Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/23/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI01819 |
| Federal ID | MI01819 |
| More Info | State Dam Safety Program |