Water Resource Collections and Archives

Developing a Methodology for Clean Up of Abandoned Mines Project

Organization: Sustainable Conservation
2008 Grant Recipient – Contra Costa County

Project Background

In June 2007, in an effort to advance implementation of the Good Samaritan Initiative, the U.S. Department of Justice (DOJ) and U.S. Environmental Protection Agency (EPA) released interim guidance and a model agreement designed to remove legal liabilities and regulatory constraints that discouraged the voluntary cleanup of abandoned mines.

California's Department of Conservation estimates that more than 47,000 abandoned mines exist in California, and more than 5,000 present environmental hazards. Of these, approximately 900 are located within the nine-county San Francisco Bay Area. Approximately 67% of the abandoned mines in California occur on federal lands, while 31% occur on private lands.

While "acid mine drainage" from these mines pollutes creeks and rivers, degrades drinking water, and can harm and kill fish and wildlife, the mining industry has not addressed these "legacy mines." Only a fraction of these sites will ever be formally cleaned up by government given existing staffing and funding levels at state and federal agencies. If organizations not responsible for the development or operation of abandoned mines wish to clean them up voluntarily, then the guidance and model agreement released by the EPA and DOJ provide these Good Samaritans with some important tools needed to do the job. Funding for the work presents another challenge entirely.

For additional Supporting Documents, refer to the Sustainable Conservation website at: Abandoned Mines.

• American Fork Canyon - Mineral Basin Map
• EPA Region 8's Pollution Report - American Fork River, Pacific Mine
• EPA Executed Administrative Order on Consent - American Fork Canyon River
• American Fork Canyon River - Snowbird Access Agreement
• Trout Unlimited - Final Construction Report
• EPA Guiding Principles for Good Samaritan Projects - Model Settlement Agreement
• Unnecessarily Hesitant Good Samaritans: Conducting Voluntary Cleanups of Inactive and Abandoned Mines Without Incurring Liability