List of Superfund sites in South Dakota explained

This is a list of Superfund sites in South Dakota designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up hazardous material contaminations.[1] These locations are known as Superfund sites, and are placed on the National Priorities List (NPL). The NPL guides the EPA in "determining which sites warrant further investigation" for environmental remediation.

As of March 26, 2010, there were two Superfund sites on the National Priorities List in South Dakota.[2] No sites are currently proposed for entry on the list. Two sites have been cleaned up and removed from the NPL.[2]

Superfund sites

CERCLIS IDNameCountyReasonProposed[3] Listed[4] Construction
completed[5] 		Partially
deleted[6] 		Deleted[7]
SDD987673985Gilt Edge MineLawrenceSulfide waste rock and exposed ore zones contain heavy metals, including arsenic, cadmium, chromium, copper, lead, nickel, silver and zinc. These heavy metals, in addition to cobalt and manganese, have been found in Strawberry Creek. Elevated nitrates and sulfates are also present in heap leach residues.[8] [9] 05/11/200012/01/2000
SDD980717136Whitewood CreekLawrenceHeavy metals, including arsenic, cadmium, copper, silver, mercury and cyanide contaminate soil, ground water, and surface water.[10] [11] 12/30/198209/08/198308/13/1996
SD2571924644Ellsworth Air Force BaseMeade and PenningtonOn-site shallow monitoring wells downgradient from the landfills and burn pit are contaminated with 1,1-dichloroethane, 1,2-dichloroethylene, trichloroethylene, arsenic, and chromium.[12] [13] 10/26/198908/30/1990
SDD000823559Williams Pipe Line Co. Disposal PitMinnehahaSediment in the 7 foot deep unlined pit measuring 9 feet by 9 feet contains barium, beryllium, chromium, copper, iron, lead, zinc, benzene, toluene, xylene, polynuclear aromatic hydrocarbons, and pesticides. Ground water near the pit is contaminated with 4,4'-DDD, 4,4'-DDT, gamma-chlordane, beta-BHC, and lead.[14] [15] 10/26/198908/30/199004/02/1999

See also

Sources

Notes and References

  1. P.L. 96-510,, December 11, 1980.
  2. Web site: National Priorities List . United States Environmental Protection Agency . April 25, 2010.
  3. Web site: Proposed NPL sites. EPA. 2010-05-01.
  4. Web site: Final NPL sites. EPA. 2010-05-01.
  5. Web site: Construction Completions at NPL sites. EPA. 2010-05-01.
  6. Web site: Partial deletions at NPL sites. EPA. 2010-05-01.
  7. Web site: Deleted NPL sites. EPA. 2010-05-01.
  8. Web site: Gilt Edge Mine . December 4, 2009.
  9. Web site: NPL Site Narrative for Gilt Edge Mine . December 4, 2009.
  10. Web site: Whitewood Creek . December 4, 2009.
  11. Web site: NPL Site Narrative for Whitewood Creek . December 4, 2009.
  12. Web site: Ellsworth Air Force Base . December 4, 2009.
  13. Web site: NPL Site Narrative for Ellsworth Air Force Base . December 4, 2009.
  14. Web site: Williams Pipe Line Co. Disposal Pit . December 4, 2009.
  15. Web site: NPL Site Narrative for Williams Pipe Line Co. Disposal Pit . December 4, 2009.

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