and around Butte, Montana, US The Summitville Mine in Rio Grande County, Colorado. The area has both natural and mining-exacerbated acid drainage flowing into the Wrightman Fork, then into the Alamosa River, which flows into the San Luis Valley Britannia Beach, British Columbia, Canada Clinch-Powell River system, Virginia and Tennessee, US Iron Mountain Mine, Shasta County, California, United States Monday Creek, Ohio, US The Irwin Syncline in Southwestern Pennsylvania Pronto mine tailings site, Elliot Lake area, Ontario, Canada North Fork of Kentucky River, Kentucky, US Old Forge borehole, Lackawanna River, Pennsylvania. Discharges 40–100 million gallons of acid mine drainage per day. Cheat River Watershed , West Virginia, US Copperas Brook Watershed, from the Elizabeth Mine in S. Strafford, Vermont, impacting the Ompompanoosuc River Davis Pyrite Mine in NW Massachusetts Hughes bore hole, Pennsylvania Gold King Mine, Colorado, US Oceania Brukunga, South Australia Grasberg mine, Papua province, Indonesia McArthur River zinc mine, Northern Territory, Australia Mount Morgan Mine, Queensland, Australia Ok Tedi environmental disaster caused by Ok Tedi Mine, Ok Tedi River, Papua New Guinea Tui mine, an abandoned mine on the western slopes of Mount Te Aroha in the Kaimai Range of New Zealand, considered to be the most contaminated site in the country West Coast mineral fields, Tasmania, Australia See also Bioleaching Environmental issues with mining International Mine Water Association Passive treatment system Uranium acid mine drainage References External links Managing Acid and Metalliferous Drainage: Leading Practice Sustainable Development Program for the Mining Industry Trove: Australian Government Dept. of Industry, Tourism and Resources handbook, 2007. Accessed 21 May 2016. AMRClearinghouse.org OrangeWaterNetwork.org (EPCAMR's Website) Assessment of treatment methods (PDF) IMWA – International Mine Water Association INAP – International Network of Acid Prevention INAP – Global Acid Rock Drainage Guide Overview of chemical processes involved PADRE – Partnership for Acid Drainage Remediation in Europe The Science of Acid Mine Drainage and Passive Treatment USGS Mine Drainage World's Most Acidic Waters are Found Near Redding, California (pH -3.6) MiWER - Mine Water and Environment Research Centre (based in Australia) Overview of acid mine drainage impacts in the West Rand Goldfield Environmental impact of mining Water management in mining