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List of Superfund sites in South Dakota

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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. 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. No sites are currently proposed for entry on the list. Two sites have been cleaned up and removed from the NPL.

Superfund sites

  Deleted from National Priorities List
CERCLIS ID Name County Reason Proposed Listed Construction
completed 		Partially
deleted 		Deleted
SDD987673985 Gilt Edge Mine Lawrence Sulfide 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. 05/11/2000 12/01/2000 – – –
SDD980717136 Whitewood Creek Lawrence Heavy metals, including arsenic, cadmium, copper, silver, mercury and cyanide contaminate soil, ground water, and surface water. 12/30/1982 09/08/1983 09/25/1992 – 08/13/1996
SD2571924644 Ellsworth Air Force Base Meade and Pennington On-site shallow monitoring wells downgradient from the landfills and burn pit are contaminated with 1,1-dichloroethane, 1,2-dichloroethylene, trichloroethylene, arsenic, and chromium. 10/26/1989 08/30/1990 09/10/1999 12/04/2006 –
SDD000823559 Williams Pipe Line Co. Disposal Pit Minnehaha Sediment 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. 10/26/1989 08/30/1990 09/29/1994 – 04/02/1999

See also

Sources

References

  1. P.L. 96-510, (42 U.S.C. §§ 9601–9675), December 11, 1980.
  2. ^ "National Priorities List". United States Environmental Protection Agency. Retrieved April 25, 2010.
  3. "Proposed NPL sites". EPA. Retrieved 2010-05-01.
  4. "Final NPL sites". EPA. Retrieved 2010-05-01.
  5. "Construction Completions at NPL sites". EPA. Retrieved 2010-05-01.
  6. "Partial deletions at NPL sites". EPA. Retrieved 2010-05-01.
  7. "Deleted NPL sites". EPA. Retrieved 2010-05-01.
  8. "Gilt Edge Mine". Retrieved December 4, 2009.
  9. "NPL Site Narrative for Gilt Edge Mine". Retrieved December 4, 2009.
  10. "Whitewood Creek". Retrieved December 4, 2009.
  11. "NPL Site Narrative for Whitewood Creek". Retrieved December 4, 2009.
  12. "Ellsworth Air Force Base". Retrieved December 4, 2009.
  13. "NPL Site Narrative for Ellsworth Air Force Base". Retrieved December 4, 2009.
  14. "Williams Pipe Line Co. Disposal Pit". Retrieved December 4, 2009.
  15. "NPL Site Narrative for Williams Pipe Line Co. Disposal Pit". Retrieved December 4, 2009.
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