southeast rockford ground water contamination

2613 S 11TH ST

The Southeast Rockford Groundwater (SE Rockford) site comprises a three-mile long and two-and-one-half-mile wide area of southeastern Rockford, Illinois. Groundwater investigations conducted by the state of Illinois indicated that residential and municipal wells in this area are impacted by chlorinated solvent contamination. EPA has broken the site into three portions or operable units (OU): OU1 is the drinking water operable unit; OU2 is the groundwater operable unit; and OU3 is the contaminant source control operable unit. OU3 is further subdivided into four major groundwater contaminant source areas that are called Source Areas 4, 7, 9/10, and 11. Land use within the site area is mainly residential with industrial/commercial developments. The population within one mile of the site is about 52,000. EPA placed the SE Rockford site on the National Priorities List on June 24, 1998. Site Responsibility The SE Rockford site is being addressed through a combination of state, federal, and potentially responsible party (PRP) actions. Illinois EPA is the primary technical lead for all of the OUs. However, (U.S.) EPA is the lead enforcement agency and is responsible for negotiating enforcement agreements (e.g. consent decrees (CD)) for Remedial Design/Remedial Action (RD/RA) with the PRPs. Because U.S. EPA signed a CD with Hamilton Sundstrand, the PRP for a portion of Source Area 9/10, it (U.S. EPA) is the primary technical lead for that portion of the site.

Hazardous Ranking Score

42 / 100

A score of 28.5 or higher qualifies a site for the Superfund National Priority List.

Regional Contact

Region 5
Phone: (312) 353-2000

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Timeline

Discovery
Site Inspection
Preliminary Assessment
Final Listing On NPL
Removal

Contaminants & Health Effects

      Carcinogen
      Endocrine Disrupter
      Neurotoxic
      Sensitiser
      Reproductive Toxin
      Persistent, bioaccumulative and toxic
      VOC
      Mutagen

        Census

        White
        African American
        Asian
        American Indian and Alaska Native
        Native Hawaiian
        Other

        8,166

        People living
        within a 1 mile radius

        $52,492

        Average Income

        3,158

        Occupied homes

        Potentially Responsible Parties

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