A highway authority agreement is recognized as an “institutional control” for sites that have been remediated in accordance with the Illinois EPA’s Tiered Approach to Corrective Action Objectives and where the Illinois EPA has determined that no further remediation is required as to the property(ies) to which the agreement is to apply.
West Nile virus can cause mild to severe illness. Most people who get infected do not get sick. Some get a mild, flu-like illness. In rarer cases, the virus can affect the brain and spinal cord, and can be fatal.