Mahon Reservoir
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Oregon |
| County | Harney |
| Nearest City | VENATOR |
| River/Stream | CAMP CREEK & SOUTH FORK MALHEUR RIVER |
| Coordinates | 43.15387, -118.39911 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 25 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1904 (122 years old) |
Storage & Hydraulics
| NID Storage | 3,456 acre-ft |
| Max Storage | 2,000 acre-ft |
| Normal Storage | 3,456 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 30 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | TREE TOP RANCHES, LTD. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/15/2012 |
| Emergency Action Plan | Not Required |