Salt Mines in California
38Total Sites
19Active
Salt Mining in California
California has 38 salt-related mine and mineral deposit locations recorded in federal databases. Of these, 19 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.
By County
| County | Sites |
|---|---|
| San Bernardino County | 17 |
| San Diego County | 5 |
| Alameda County | 4 |
| San Mateo County | 3 |
| Kern County | 2 |
| Orange County | 2 |
| Imperial County | 1 |
| Monterey County | 1 |
| Napa County | 1 |
| Santa Clara County | 1 |
| Siskiyou County | 1 |
Salt Mines
| Mine | County | Type | Status |
|---|---|---|---|
| Valley Salt | San Bernardino | Surface | Active |
| American Salt Co. | Alameda | Surface | Producer |
| Bay Evaporators | Santa Clara | Brine Operation | Producer |
| Dale Lake Project | San Bernardino | Processing Plant | Producer |
| Dredging Operation | San Bernardino | Surface | Producer |
| Lake and Mineral Resources | San Bernardino | Brine Operation | Producer |
| Leslie Salt Co | Alameda | Processing Plant | Producer |
| Leslie Salt Company Salt Mine | San Bernardino | Surface | Producer |
| Monterey Bay Salt Works | Monterey | Brine Operation | Producer |
| Napa Evaporators | Napa | Surface | Producer |
| National Chloride Co. Mine | San Bernardino | Brine Operation | Producer |
| Newark Evaporation Ponds | Alameda | Surface | Producer |
| Oliver Salt | Alameda | Surface | Producer |
| Pacific Salt & Chemical Co. | San Bernardino | Surface | Producer |
| Redwood City Plant | San Mateo | Brine Operation | Producer |
| Redwood City Plant | San Mateo | Surface | Producer |
| Saltus Mine and Mill | San Bernardino | Surface | Producer |
| Searles Plant | San Bernardino | Brine Operation | Producer |
| Trona Plant | San Bernardino | Brine Operation | Producer |
| Avawatz | San Bernardino | Surface | Prospect |
| California Salt Co. | San Diego | Brine Operation | Past Producer |
| California Salt Company | San Bernardino | Surface | Past Producer |
| Chollas Valley Salt Co. | San Diego | Brine Operation | Past Producer |
| Chula Vista Evaporators | San Diego | Brine Operation | Past Producer |
| Danby Dry Lake Pit | San Bernardino | Brine Operation | Past Producer |
| Danby Dry Lake Pit | San Bernardino | Brine Operation | Past Producer |
| Evans | San Bernardino | Past Producer | |
| Fremont Salt Co. | Kern | Surface | Past Producer |
| Imperial Salt Works | Imperial | Surface | Past Producer |
| Newport Bay, Shellmaker, Inc. | Orange | Offshore | Past Producer |
| Orohood Pit | Siskiyou | Surface | Unknown |
| Portuguese Flat | San Diego | Brine Operation | Past Producer |
| Redwood City Operation | San Mateo | Surface | Past Producer |
| Reeder | San Bernardino | Occurrence | |
| Salt Ponds | Orange | Brine Operation | Past Producer |
| Saltdale Works | Kern | Brine Operation | Past Producer |
| Searles Lake Plant | San Bernardino | Brine Operation | Past Producer |
| Sweetwater Creek | San Diego | Brine Operation | Past Producer |