Halsey Forebay No. 2
Halsey Forebay No. 2 is an earth dam located in Placer County, California, built in 1913. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Halsey Forebay No. 2
The primary purpose of Halsey Forebay No. 2 is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Pacific Gas And Electric Company (private). It impounds the Dry Creek near Auburn.
The dam stands 55 feet tall and stretches 1,167 feet across, creates a reservoir covering 18 acres, and has a maximum storage capacity of 244 acre-feet. Completed in 1913, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/07/2023.
At 55 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | California |
| County | Placer |
| Nearest City | Auburn |
| River/Stream | Dry Creek |
| Coordinates | 38.97280, -121.03980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 1,167 ft |
| Year Completed | 1913 (113 years old) |
Storage & Hydraulics
| NID Storage | 244 acre-ft |
| Max Storage | 244 acre-ft |
| Normal Storage | 244 acre-ft |
| Surface Area | 18 acres |
| Max Discharge | 1,200 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Pacific Gas and Electric Company |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/07/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00352 |
| Federal ID | CA00352S001 |
| More Info | State Dam Safety Program |