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Update History

November 2013

Though EPA had previously planned to amend its decision to provide municipal water as the alternate water supply to impacted water supply wells, EPA has decided to implement the remedy originally specified in the 2010 Interim Record of Decision IROD for the Ottawa Township Flat Glass site. The selected remedy consists of the redirection of storm water flow away from the arsenic laden quarries; institutional controls to prevent future residential use and potable well installation; municipal water supply; and monitoring of ground-water quality over time. The remedy is currently in the design phase, and EPA expects to begin construction of the remedy in the Summer of 2014.

EPA also conducted a Five-Year Review (FYR) of the remedy chosen in the Record of Decision for Operable Units 1 and 2 of the site. The September 2013 FYR is provided below under the Five Year Review section of this website. A copy of the 2013 FYR is also available in the site’s information repository at the Reddick Library in Ottawa, IL.

January 2013

EPA plans to amend its 2010 Interim Record of Decision (IROD) for the Ottawa Township Flat Glass Superfund site. The amendment will affect only the portion of the remedy that specifies the preferred alternate water supply to properties with affected well water. The IROD amendment will change the preferred alternate water supply from the municipal water line extension to an individual private well into the New Richmond Sandstone aquifer for each of the affected properties.

In order to amend the IROD, EPA must provide a public notice of the proposed decision to the community and provide for a comment period and a public meeting. EPA must consider any comments received before finalizing its decision. EPA expects to offer the public comment period in the Spring of 2013.

June 2012

The U.S. EPA and Pilkington North America, Inc. (PNA) recently entered into an Administrative Settlement Agreement and Order on Consent for Remedial Design.  This agreement provides for PNA to undertake a Remedial Design (RD)—including various procedures and technical analyses—to produce a detailed set of plans and specifications for implementation of the Remedial Action selected in EPA's September 29, 2010, Interim Record of Decision (IROD) for the Ottawa Township Flat Glass site, Operable Unit No. 3 (OU 3).  OU 3 is located in unincorporated areas of LaSalle County and includes source areas and ground water south of the Illinois River. See map (PDF) (1pg, 552KB)

The selected remedy consists of the redirection of storm water flow away from the arsenic laden quarries; institutional controls to prevent future residential use and potable well installation; municipal water supply; and monitoring of ground-water quality over time.

This summer EPA staff contacted community members who may be affected by contaminated wells within their properties to address issues related to the remedial design.

 

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