UGI Columbia Gas Plant

Regulatory timeline

1. June 23, 1993Proposed for the NPL
2. May 31, 1994Established on the NPL (final listing)
3. September 24, 2007Construction completed

Projected reinspection cycle

CERCLA requires a five-year review while hazards remain on site. These dates are projected from this site's cleanup timeline — they are estimates, not EPA-published dates. Check the site progress profile for the actual review schedule.

1. September 24, 2022Projected five-year review (reinspection), cycle 3
2. September 24, 2027Projected five-year review (reinspection), cycle 4
3. September 24, 2032Projected five-year review (reinspection), cycle 5

Official EPA records