The US Environmental Protection Agency (EPA) has published a Superfund analysis report that forecasts both funding shortfalls and estimated additions to the National Priorities List (NPL) in coming years. The report, "EPA’s Estimated Costs to Remediate Existing Sites Exceed Current Funding Levels, and More Sites Are Expected to Be Added to the National Priorities List," involved surveys of EPA officials.
Below is a list of the expected new additions to the NPL (or, Superfund) in the next 5 years. New Jersey is well-ahead of other states in terms of needed support:
The whole report is available for download here (PDF).