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Community Meeting Conclusions on Groundwater Contamination in Hillcrest

On February 24, 2011, George Rice presented key findings regarding groundwater contamination affecting the Hillcrest Neighborhood. The volume of the LNAPL plume beneath local refineries has decreased by 12 million cubic feet since 2006, with minimal impact from refinery pumpage. Contaminated groundwater has migrated into the Hillcrest area, highlighting the need for protection of this valuable resource. Recommendations include the installation of pumping wells along the boundary between the refineries and Hillcrest to prevent further contamination.

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Community Meeting Conclusions on Groundwater Contamination in Hillcrest

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  1. Presentation to theHillcrest Community MeetingConclusions RegardingGroundwater ContaminationFebruary 24, 2011George Rice

  2. Conclusion 1 Since 2006 the volume of the LNAPL plume beneath the refineries has been reduced by approximately 12 million cubic feet (90 million gallons). During that time, the refineries have pumped less than 1 million cubic feet of LNAPL from beneath their facilities. Thus, pumpage by the refineries has contributed little to the reduction in LNAPL plume volume.

  3. Conclusion 2 Groundwater flows from the Flint Hills East and CITGO East refineries, into the Hillcrest Neighborhood.

  4. Conclusion 3 Contaminated groundwater from the refineries has migrated into the Hillcrest Neighborhood.

  5. Conclusion 4 The groundwater in the Hillcrest Neighborhood is a valuable resource that should be protected.

  6. Conclusion 5 Pumping wells should be installed along the boundary between the refineries and the Hillcrest Neighborhood to reduce or eliminate the migration of contaminated groundwater into the neighborhood.

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