Croswell Dam
Croswell Dam is a concrete dam located in Sanilac County, Michigan, built in 1902. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Croswell Dam
The primary purpose of Croswell Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Michigan Sugar Company (private). It impounds the Black River near Croswell.
The dam stands 12 feet tall and stretches 200 feet across, creates a reservoir covering 42 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 369 square miles. Completed in 1902, the structure is over a century 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 07/13/2017.
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Location
| State | Michigan |
| County | Sanilac |
| Nearest City | Croswell |
| River/Stream | Black River |
| Coordinates | 43.26786, -82.62063 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 200 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 42 acres |
| Drainage Area | 369 sq mi |
| Max Discharge | 1,960 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Michigan Sugar Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/13/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI00321 |
| Federal ID | MI00321 |
| More Info | State Dam Safety Program |