Chilkoot
Chilkoot is a rockfill dam located in Madera County, California, built in 1890. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Chilkoot
The primary purpose of Chilkoot 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 Chilkoot Creek near Bass Lake.
The dam stands 11 feet tall and stretches 110 feet across, creates a reservoir covering 57 acres, and has a maximum storage capacity of 308 acre-feet. Completed in 1890, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/16/2019.
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Location
| State | California |
| County | Madera |
| Nearest City | Bass Lake |
| River/Stream | Chilkoot Creek |
| Coordinates | 37.41130, -119.48460 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 110 ft |
| Year Completed | 1890 (136 years old) |
Storage & Hydraulics
| NID Storage | 308 acre-ft |
| Max Storage | 308 acre-ft |
| Normal Storage | 308 acre-ft |
| Surface Area | 57 acres |
| Max Discharge | 50 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Pacific Gas and Electric Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/16/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CA82568 |
| Federal ID | CA82568 |
| More Info | State Dam Safety Program |