Ashton
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Idaho |
| County | Fremont |
| Nearest City | Chester |
| River/Stream | Henrys Fork, Snake River |
| Coordinates | 44.07850, -111.49680 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 65 ft |
| Dam Height | 65 ft |
| Dam Length | 252 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 9,900 acre-ft |
| Max Storage | 9,900 acre-ft |
| Normal Storage | 9,800 acre-ft |
| Surface Area | 404 acres |
| Drainage Area | 1,040 sq mi |
| Max Discharge | 46,100 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | PacifiCorp |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/20/2022 |
| Emergency Action Plan | Yes |