Introduction to Phoenix-Goodyear Airport Superfund Site

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Presentation transcript:

Introduction to Phoenix-Goodyear Airport Superfund Site Catherine Brown EPA Region 9 Superfund Program

Geography and Climate Sonoran Desert with arid subtropical desert climate Seven to ten inches of rainfall annually Average summer temperature of around 105F with extremes in excess of 120F Average winter temperature of 72F Groundwater is the main source of drinking water Historically open desert and agriculture Growing population; 2,747 in 1980 and 73,832 in 2014. In excess of 100,000 residents projected for 2020

Phoenix-Goodyear Airport Superfund Site Groundwater contamination discovered in 1981 in City of Goodyear municipal supply wells Listed on the NPL in 1983 Some cleanup of soil contamination Primarily groundwater contaminated by chlorinated solvents Remedy is groundwater pump & treat Treated water at first injected back into groundwater system to provide plume containment. ROD allows for ‘beneficial reuse’ of treated water

ROD-specified Potential Beneficial Reuses of Treated Groundwater Agricultural – irrigation for crop production Industrial Municipal Drinking water supply Certain types of water rights Recreational Creating lakes Irrigating public parks or golf courses Injection for aquifer restoration Surface Discharge Agua Fria River or Gila River discharge Diversion downstream for municipal uses

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Goodyear Recreation Complex Irrigation 81.5 million gallons per year for an annual savings of $200,000 Goodyear Community Park Irrigation 21 million gallons used in 2013 for a savings of $75,000 Saint Thomas Aquinas Grade School Heat Exchanger 197 million gallons used in the exchanger in 2013 and then injected back into the groundwater system for a double benefit Palm Valley Golf Course Irrigation 140 million gallons used in 2013 for a savings of $250,000 Agricultural Plots Irrigation 52 million gallons used in 2013 for a savings between $94K and $250K Injection for plume control 967 million gallons injected in 2014

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Goodyear Recreation Complex

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Goodyear Community Park

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Saint Thomas Aquinas Grade School Heat Exchanger

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Palm Valley Golf Course

Current Phoenix-Goodyear Airport Superfund Site Beneficial Reuses Irrigation Plots

For More Information, Contact: Catherine Brown Remedial Project Manager, EPA Region 9 Brown.Catherine@epa.gov (415) 947-4137