Deer Flat Lower Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Idaho |
| County | Canyon |
| Nearest City | PARMA, WILDER |
| River/Stream | BOISE RIVER SNAKE RIVER OS |
| Coordinates | 43.58280, -116.73610 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 48 ft |
| Dam Length | 7,270 ft |
| Year Completed | 1908 (118 years old) |
Storage & Hydraulics
| NID Storage | 159,365 acre-ft |
| Max Storage | 159,365 acre-ft |
| Surface Area | 10,100 acres |
| Drainage Area | 80 sq mi |
| Max Discharge | 1,270 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BUREAU OF RECLAMATION |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 06/28/2023 |
| Emergency Action Plan | Yes |