Halsey Afterbay
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | California |
| County | Placer |
| Nearest City | Baxter |
| River/Stream | Dry Creek |
| Coordinates | 38.95600, -121.04310 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 40 ft |
| Dam Height | 38 ft |
| Dam Length | 222 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 106 acre-ft |
| Max Storage | 106 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 2,830 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Pacific Gas and Electric Company |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/07/2023 |
| Emergency Action Plan | Yes |