Keyes Branch Mine Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Missouri |
| County | Washington |
| Nearest City | TIFF |
| River/Stream | TRIBUTARY KEYES BRANCH CREEK |
| Coordinates | 37.96307, -90.75241 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 77 ft |
| Dam Height | 77 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 1,192 acre-ft |
| Max Storage | 1,192 acre-ft |
| Normal Storage | 1,192 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,323 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/07/2022 |
| Emergency Action Plan | Yes |