Geothermal Mines in California
87Total Sites
32Active
Geothermal Mining in California
California has 87 geothermal-related mine and mineral deposit locations recorded in federal databases. Of these, 32 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
Geothermal Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Arrowhead Hot Spring | San Bernardino | Well | Producer |
| Benton Hot Springs | Mono | Well | Producer |
| Borrego Springs | San Diego | Well | Producer |
| Buckeye Hot Spring | Mono | Well | Producer |
| Deerlick Springs | Trinity | Producer | |
| Desert Hot Springs | Riverside | Well | Producer |
| Dolan's Hot Springs | Monterey | Geothermal | Producer |
| Eden Hot Springs | Riverside | Well | Producer |
| El Granito Mineral Springs | San Diego | Geothermal | Producer |
| Fales Hot Spring | Mono | Well | Producer |
| Gilman Hot Springs | Riverside | Well | Producer |
| Glamis Hot Spring | Riverside | Well | Producer |
| Glen Ivy Hot Springs | Riverside | Well | Producer |
| Highland Springs | Riverside | Well | Producer |
| Jacumba Hot Springs | San Diego | Geothermal | Producer |
| Lake Elsinore Hotel Spring | Riverside | Well | Producer |
| Lakeview Inn Hot Springs | Riverside | Well | Producer |
| Little Sur Hot Springs | Monterey | Geothermal | Producer |
| Murrieta Hot Springs | Riverside | Well | Producer |
| Nichols Warm Spring | Riverside | Well | Producer |
| Packard Well | Riverside | Well | Producer |
| Palm Springs | Riverside | Well | Producer |
| Paoha Island | Mono | Well | Producer |
| Paraiso Hot Springs | Monterey | Geothermal | Producer |
| Red's Meadow | Mono | Well | Producer |
| Slate's Hot Springs | Monterey | Geothermal | Producer |
| Soboba Hot Springs | Riverside | Well | Producer |
| Tassajara Hot Springs | Monterey | Geothermal | Producer |
| Travertine Hot Spring | Mono | Well | Producer |
| Unnamed Hot Spring Near Black Pt. | Mono | Well | Producer |
| Unnamed Thermal Spring | Mendocino | Geothermal | Producer |
| Warners Hot Springs | San Diego | Geothermal | Producer |
| Aetna Springs | Napa | Well | Unknown |
| Alvardo Hot Springs | Los Angeles | Occurrence | |
| Baker Soda Spring | Lake | Well | Unknown |
| Big Bend Hot Spring | Trinity | Well | Unknown |
| Big Bend Hot Springs | Shasta | Well | Past Producer |
| Blayney Meadows Hot Spring | Fresno | Well | Unknown |
| Border | Imperial | Well | Unknown |
| Brawley | Imperial | Well | Unknown |
| Byron Hot Springs | Contra Costa | Well | Occurrence |
| Cadiz Valley Geothermal Prospect | San Bernardino | Plant | |
| Calistoga | Napa | Well | Unknown |
| Cooks Spring | Colusa | Well | Unknown |
| Coso Hot Spring | Inyo | Occurrence | |
| Crabtree Hotsprings | Lake | Well | Unknown |
| Deadhot Springs | Colusa | Well | Unknown |
| Dunes | Imperial | Well | Unknown |
| East Mesa | Imperial | Well | Unknown |
| Gilroy Hot Springs | Santa Clara | Occurrence |
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