Site Status

The tables below shows the number of Federal Contaminated Sites which are in one of the following status groups: Suspected, Active, or Closed. Each group has one or more phases with corresponding messages describing the status of sites.

Click on a site count below to search sites with the corresponding status.

Suspected

Suspected PhaseSites
Historical review planned.531
Historical review completed. Initial testing underway.827

Active

Assessment PhaseSites
Initial testing completed. Detailed testing underway.1,853
Detailed testing completed. Remediation / risk management planned.431
Detailed testing completed. Remedial action plan under development.659
Remediation/Risk Management PhaseSites
Remedial action plan completed. Remediation / risk management underway.645
Remediation / risk management completed. Confirmatory sampling underway.412
Long-Term Monitoring PhaseSites
Confirmatory sampling completed. Long term monitoring underway.452

Closed

Suspected PhaseSites
Historical review not required.4,179
Historical review completed. No further action required.4,536
Assessment PhaseSites
Initial testing completed. No further action required.4,137
Detailed testing completed. No further action required.1,306
Remediation/Risk Management PhaseSites
Detailed testing completed. No further action required.716
Remediation / risk management completed. No further action required.649
Confirmatory sampling completed. No further action required.2,367
Long-Term Monitoring PhaseSites
Long term monitoring completed. No further action required.522
The following are the definitions for the three site status types for contaminated sites:
Suspected
Further assessment work is required to confirm whether the site is considered a "contaminated site."
Active
Active sites are confirmed contaminated sites where remedial action is or may be required.
Closed
No further action is required.