Madison Metropolitan Sewerage District Lagoons

Regulatory timeline

1. June 24, 1988Proposed for the NPL
2. February 21, 1990Established on the NPL (final listing)
3. September 19, 2001Construction 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 19, 2021Projected five-year review (reinspection), cycle 4
2. September 19, 2026Projected five-year review (reinspection), cycle 5
3. September 19, 2031Projected five-year review (reinspection), cycle 6

Official EPA records