Iron Mountain, California: An Extreme Acid Mine Drainage Environment

 

• "The world's most acid water" - explaining negative pH
• Colorful mineral salts that store metals and acidity in underground mine workings
• Microbial iron oxidation and formation of pipe scale in the water treatment system
• Challenges and successes of environmental remediation by USEPA's Superfund program

Speaker: Charles Alpers, USGS