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  • Mining Waste Treatment Technology Selection—Case Study

    From the 1860s through 1963, the 4,400-acre Iron Mountain Mine (IMM) site was periodically mined for iron, silver, gold, copper, zinc, and pyrite Though mining operations were discontinued in 1963, underground mine workings, waste rock dumps, piles of mine tailings, and an open mine pit still remain at the site Historic mining activity at IMM has fractured the mountain, exposing minerals in

  • Iron Mountain Mine case study - University of Arizona

    Iron Mountain Mine Case Study Success Through Planning, Partnerships, and Perseverance Prior to EPA’s cleanup of the site, most of the acidic effluent from Iron Mountain flowed or seeped out of the

  • Abandoned Mine Lands: Technical Resources | US EPA

    This page contains technical reports, studies, and meeting proceedings related to EPA's Abandoned Mine Lands (AML) Program These technical resources cover such topics as: AML contamination assessment and characterization techniques; Types of waste found at AMLs; Technologies used to remediate

  • Iron Mountain Mine Shasta County, California - itrcweborg

    CASE STUDY Iron Mountain Mine Shasta County, California August 2010 Prepared by The Interstate Technology & Regulatory Council Mining Waste Team Permission is granted to refer to or quote from this publication with the customary acknowledgment of the source The suggested citation for this document is as follows: ITRC (Interstate Technology & Regulatory Council) 2010 Iron

  • IRON MOUNTAIN MINE - US Environmental Protection Agency

    IRON MOUNTAIN MINE \R0001 SUPERFUND SITE Redding, California October 1986 Record of Decision ADMINISTRATIVE RECORD INDEX UNITED STATES ENVIRONMENTAL PROTECTION AGENCY REGION IX IRON MOUNTAIN MINE SUPERFUND SITE Administrative Record Index (Indexed by Date) This Administrative Record Index lists the documents contained in the Administrative Record for the Iron Mountain Mine

  • Superfund Site Document, Iron Mountain Mine, Pacific

    The documents contained in this administrative record (AR) were used by the US Environmental Protection Agency (EPA) in identifying appropriate remedial activities for the Record of Decision (ROD) signed by EPA on September 30, 1997 This ROD addresses sources in the Slickrock Creek watershed at the Iron Mountain Mine Superfund site near Redding, California The original AR compilation and

  • Iron Mountain Mine | The EPA Blog

    Though I’ve put in time on a number of projects like Iron Mountain Mine during my 20 years with EPA, one of my best memories is of a project in which I was not involved One day, on my drive back from a nearby San Francisco Bay wildlife refuge, I saw a sign on the City of Hayward, California wastewater treatment plant which read “Funded by a grant from USEPA” Hayward is a small, largely

  • Environmental Effects of Mining Iron Mountain | USGS

    Environmental Effects of Iron Mountain According to EPA documents, workers once inadvertently left a shovel standing in the green liquid flowing from one of the mine portals The next day half of the shovel had been eaten away USEPA (2006) The environmental consequences of mining Iron Mountain became apparent only a few years after the start of open mining in 1896 Fish kills in 1902 in the

  • Superfund Record of Decision: Iron Mountain Mine, CA

    ----- EPA/ROD/R09-93/101 Iron Mountain Mine, CA Third Remedial Action Abstract (Continued) recover copper from the acid mine drainage (AMD) Due to various fish kills and toxicity problems, a number of investigations were conducted by the State which revealed high concentrations of copper, cadmium, and zinc in the acidic discharges flowing from

  • Remediating Some of the World's Most Acidic Waters at the

    Mine Shaft Plugging Assessment - Geochemical characterization of Iron Mountain and geochemical modeling studies predicted that if the mine portals were plugged, a pool of water would develop with extremely acidic pH (near 1) and high metal concentrations (grams of dissolved metals per liter) The flooded mine pool would have a volume of about 600,000 cubic meters and would present a high risk

  • Consequences & Management of Iron Mountain Mine Acid Mine

    Iron Mountain Mine: A Deadly Legacy The state of California is facing a major issue caused by thousands of abandoned mines, 20 of which are known to cause major environmental damage (CSWRCB 2018) Pyrite left in the mines can react with water, oxygen, and bacteria to form an acidic, corrosive solution, which dissolves metals and carries them downstream, this is known as Acid Mine Drainage (AMD)

  • Case Study #1 - Fisheries - Google Sites

    The Iron Mountain Mine is an abandoned copper mine located in Redding California This mine went from being known as one of the largest copper mines in the world, generating the most amount of copper in all of California, to being the copper mine that unintentionally produced the most amount of water pollution in the United states and

  • State of Knowledge: Past, Current & Potential Solutions

    Consequences & Management of Iron Mountain Mine Acid Mine Drainage A Limnology Case Study by Rebecca Burke Menu and widgets Iron Mountain Mine: A Deadly Legacy ; Ecological Consequences of Acid Mine Drainage from Iron Mountain Mine; State of Knowledge: Past, Current & Potential Solutions; Full USGS Lecture on Iron Mountain Mine; References; Search for: Advertisements State of Knowledge

  • Environmental Risk Financing RISK FINANCING for MINE

    Environmental Risk Financing Case Study – Iron Mountain Mine The Risk – Mined since late 19th century, ceased 1963 – Federal gov’t constructed dam & WTP – Acid drainage to Sacramento River – Largest source of toxic metals in USA – Source of most acidic mine drainage – EPA declared Superfund Site – 1984 – Cleanup costs could approach $1 billion Case Study – Iron Mountain

  • Iron Mountain Mine - US Environmental Protection Agency

    acid mine drainage formation The studies and pilot demonstrations were completed In 1989, the EPA completed capping cracked and caved ground areas and the open pit mine on Iron Mountain The EPA completed the diversion of Slick Rock Creek in early 1990 Rhone-Poulenc completed construction of the Upper Spring Creek diversion in early 1991 EPA has not yet constructed two of the actions, the

  • Negative pH, efflorescent mineralogy, and consequences for

    The Richmond Mine of the Iron Mountain copper deposit contains some of the most acid mine waters ever reported Values of pH have been measured as low as −36, combined metal concentrations as high as 200 g/liter, and sulfate concentrations as high as 760 g/liter Copious quantities of soluble metal sulfate salts such as melanterite

  • Remediating Some of the World's Most Acidic Waters at the

    Mine Shaft Plugging Assessment - Geochemical characterization of Iron Mountain and geochemical modeling studies predicted that if the mine portals were plugged, a pool of water would develop with extremely acidic pH (near 1) and high metal concentrations (grams of dissolved metals per liter) The flooded mine pool would have a volume of about 600,000 cubic meters and would present a high risk

  • Human Health and Environmental Damages from Mining and

    The US EPA Environmental Protection Agency (EPA) developed this background document to illustrate the human health and environmental damages caused by management of wastes from mining (ie, extraction and beneficiation) and mineral processing, particularly damages caused by placement of

  • Technical Document: Acid Mine Drainage Prediction - US EPA

    short case studies of four sites on the NPL due, in part to acid drainage (US EPA 1991) Wastes that have the potential to generate acid as a result of metal mining activity include mined material such as spent ore from heap leach operations, tailings, and waste rock units, including overburden material

  • IRON MOUNTAIN MINE

    Iron Mountain Mine Institute remediation comprises a range of best practices that may be applied throughout the private remedy operations The best management practices of green remediation provide potential means to improve waste management; conserve or preserve energy, fuel, water, and other natural resources; promote sustainable long-term

  • US EPA Contaminated Site Cleanup Information (CLU-IN)

    Characterization and Remediation of Iron(III) Oxide-Rich Scale in a Pipeline Carrying Acid Mine Drainage at Iron Mountain Mine, California, USA - Kate Campbell, PhD, US Geological Survey PDF Tackling AMD, Mining Impacted Groundwater and Private Mine Ownership in a Superfund Site that Spans the Panhandle of Idaho - Ed Moreen, US EPA PDF

  • Environmental Risk Financing RISK FINANCING for MINE

    Environmental Risk Financing Case Study – Iron Mountain Mine The Risk – Mined since late 19th century, ceased 1963 – Federal gov’t constructed dam & WTP – Acid drainage to Sacramento River – Largest source of toxic metals in USA – Source of most acidic mine drainage – EPA declared Superfund Site – 1984 – Cleanup costs could approach $1 billion Case Study – Iron Mountain

  • EPA Asks Public to Comment on Iron Mountain Mine Cleanup

    The US Environmental Protection Agency opened the public comment period on the proposed cleanup plan for the Spring Creek arm of the Keswick Reservoir at the Iron Mountain Mine Superfund site, located approximately nine miles northwest of Redding, Calif The thirty

  • Iron Mountain Mine - Water Education Foundation

    Iron Mountain Mine Superfund Site Site History, Cleanup, and Current Status October 2015 •Location •Site Overview •History and Mining Impacts •Cleanup History •Preparing for the Future Agenda Iron Mountain Mine Shasta Lake and Dam Whiskeytown Lake Keswick Spring Creek Power Plant Dam City of Redding Spring Creek Debris Dam Location 3 •4,400 acre property •Mined 1890-1963 for

  • Iron Mountain: The History and Complications in Metal Ore

    (Nordstrom & Alpers, 1999) and is designated by the US Environmental Protection Agency as a one of 98 Superfund sites located in California The purpose of this thesis is to discuss the history, background, and basic geology of the Iron Mountain Superfund site, briefly elaborate on the superfund program, analyze the various environmental impacts associated with this type of mining as well as

  • iron mountain mine case study quarry crusher famous js1500

    iron mountain mine case study quarry crusher mine to mill ppt - Iron Mountain Mine case study - EPA Iron Mountain Mine Case Study Success Through Planning, Partnerships, and Perseverance SITE HISTORY Iron Mountain is loed in Shasta County, California, in Crushing And Grinding Ppt

  • Negative pH, efflorescent mineralogy, and consequences for

    The Richmond Mine of the Iron Mountain copper deposit contains some of the most acid mine waters ever reported Values of pH have been measured as low as −36, combined metal concentrations as high as 200 g/liter, and sulfate concentrations as high as 760 g/liter Copious quantities of soluble metal sulfate salts such as melanterite

  • History of Iron Mountain | USGS California Water Science

    Several successive studies recommended remedial measures to clean up contamination sources at the Iron Mountain site Starting in 1986, the EPA authorized four Records of Decision (RODs) that enforced specific clean up tasks, such as partial capping, surface-water diversions, tailings removal, and lime neutralization treatment of the most acidic, metal-rich flows, which have reduced copper and

  • Five-Year Review Report - IRON MOUNTAIN MINE

    currently in the Remedial Investigation and Feasibility Study phase of the process They are expected to have a Record of Decision by December 2004 and September 2005, respectively This is the third Five-Year review for the Iron Mountain Mine site The trigger for the first five-year review was the start of construction of the “partial cap” in September 1988 The first five-year review

  • Spring Creek Dam - Wikipedia

    The Iron Mountain Mine, the most productive copper mine in California in at least one point along its history, operated along the banks of two Spring Creek tributaries, upstream from the current dam site, from 1879 to the 1960s

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