New Idria Asbestos Mine The New Idria Asbestos Mine in San Benito County, California was a significant chrysotile asbestos producer located in the Diablo Range. The remote mine operated for decades, supplying raw fiber to manufacturers of insulation, brake linings, and construction materials.
Last verified: 2026-03-09Mining began at New Idria in the early 20th century alongside mercury mining operations that dated back to the 1850s. Chrysotile production expanded during World War II to meet military demand and continued through the 1970s. The area is now an EPA Superfund site due to both asbestos and mercury contamination. The former mining community is a ghost town.
Workers mined chrysotile from open pits and processed it in on-site mills. Drilling, blasting, crushing, and bagging operations generated dense clouds of asbestos-laden dust. The remote location meant workers often lived in company housing adjacent to operations, extending their daily exposure beyond work shifts.
The following job categories at New Idria Asbestos Mine had the highest risk of asbestos exposure:
Former mine workers face elevated risks of mesothelioma, lung cancer, and asbestosis. The combination of high-intensity occupational exposure and residential proximity to mining operations resulted in cumulative fiber doses well above safe thresholds. Cases continue to emerge due to the disease's long latency.
Health information is based on established medical research on asbestos exposure. Asbestos is classified as a known human carcinogen by the National Cancer Institute, the Agency for Toxic Substances and Disease Registry, and the U.S. Environmental Protection Agency. Consult a physician for medical advice specific to your situation.
Workers exposed to asbestos at New Idria Asbestos Mine may be entitled to compensation through asbestos trust funds, personal injury lawsuits, or veterans benefits. Mesothelioma patients and their families have recovered billions in compensation from companies that manufactured or used asbestos products.
Find Out If You QualifyWorkers who were employed at New Idria Asbestos Mine between 1940s–1970s may have been exposed to asbestos-containing materials. If you've been diagnosed with mesothelioma, lung cancer, or asbestosis, you may have legal options including trust fund claims and lawsuits.
If you were exposed to asbestos at New Idria Asbestos Mine and have been diagnosed with mesothelioma, these specialized treatment centers in California may be able to help.
The New Idria area is an active EPA Superfund site with both asbestos and mercury contamination. The EPA strongly advises against disturbing soil or rock in the area. Visitors should avoid kicking up dust on unpaved roads near the former mine.
Several companies operated the mine over the decades, including New Idria Mining and Chemical Company. Identifying the responsible parties is important for legal claims, and an experienced attorney can help trace corporate ownership and liability.
Yes. Surviving spouses, children, and other dependents of workers who died from asbestos-related diseases may file wrongful death claims. Statutes of limitations vary by state, so prompt legal consultation is recommended.
If you or a loved one worked at New Idria Asbestos Mine and have been diagnosed with mesothelioma, lung cancer, or asbestosis, our attorneys can help you explore your legal options. There is no cost, no pressure, and no obligation.
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