SYSTEM HAS TO COMPLY WITH THE RADIUM MCL OF 5 pCi/L. We discussed this matter with the owner and his attorney over the phone and received periodic written communications from owner's attorney on progress complying with the 2006 Order. However owner did not submit to U.S. EPA and Illinois EPA detailed plans for Wildlife Mobile Home Park compliance, and continued to violate the Combined Radium MCL beyond the December 31, 2006 compliance date in the 2006 Order.
On January 6, 2011, U.S. EPA issued an Amended Administrative Order (January 2011 Order) requiring Wildlife to comply with the Combined Radium MCL. In response to the January 2011 Order, Wildlife submitted a plan to reduce the number of occupied mobile home lots so that Wildlife would no longer be considered a public water system by Illinois. On
November 11, 2011, U.S. EPA issued Wildlife a Warning Letter that (1) provided important information regarding the health effects of long-term Combined Radium consumption; (2) outlined the AgencyÂs enforcement options under the SDWA when a water supply violates an MCL, regardless of whether Wildlife deactivates or remains a public water system; and (3) requested Wildlife to immediately provide a written proposal to resolve WildlifeÂs drinking water noncompliance. In response to the Warning Letter, WildlifeÂs attorney submitted a proposal to install a point of entry (POE) water softener at each residential unit at Wildlife Mobile Home Park to resolve its noncompliance