Corey Lake Level Overflow Structure
Corey Lake Level Overflow Structure is a gravity dam located in St. Joseph County, Michigan, built in 1974. It carries a Low hazard potential classification and has a fair condition assessment.
About Corey Lake Level Overflow Structure
The primary purpose of Corey Lake Level Overflow Structure is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Corey Lake Association (private). It impounds the Trib To Profile Lake Drain near Jones.
The dam stands 6 feet tall and stretches 25 feet across, creates a reservoir covering 567 acres, has a maximum storage capacity of 430 acre-feet, and collects water from a drainage area of 25 square miles. Completed in 1974, 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 04/30/2018.
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Location
| State | Michigan |
| County | St. Joseph |
| Nearest City | Jones |
| River/Stream | Trib To Profile Lake Drain |
| Coordinates | 41.92781, -85.73034 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 6 ft |
| Dam Height | 6 ft |
| Dam Length | 25 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 430 acre-ft |
| Max Storage | 430 acre-ft |
| Normal Storage | 215 acre-ft |
| Surface Area | 567 acres |
| Drainage Area | 25 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Corey Lake Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 04/30/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MI02015 |
| Federal ID | MI02015 |
| More Info | State Dam Safety Program |