Riley Dam
Significant HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Michigan |
| County | Branch |
| Nearest City | Sherwood |
| River/Stream | Saint Joseph River |
| Coordinates | 42.04425, -85.20299 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 824 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 5,000 acre-ft |
| Max Storage | 5,000 acre-ft |
| Normal Storage | 3,240 acre-ft |
| Surface Area | 518 acres |
| Drainage Area | 523 sq mi |
| Max Discharge | 10,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Village of Union City |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/28/2020 |
| Emergency Action Plan | Yes |