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 Phase	Sites
Historical review planned.	558
Historical review completed. Initial testing underway.	831

Active

Assessment Phase	Sites
Initial testing completed. Detailed testing underway.	1,854
Detailed testing completed. Remediation / risk management planned.	431
Classification completed. Remedial action plan under development.	660

Remediation/Risk Management Phase	Sites
Remedial action plan completed. Remediation / risk management underway.	646
Remediation / risk management completed. Confirmatory sampling underway.	412

Long-Term Monitoring Phase	Sites
Confirmatory sampling completed. Long term monitoring underway.	455

Closed

Suspected Phase	Sites
Historical review not required.	4,178
Historical review completed. No further action required.	4,535

Assessment Phase	Sites
Initial testing completed. No further action required.	4,142
Detailed testing completed. No further action required.	1,306

Remediation/Risk Management Phase	Sites
Detailed testing completed. No further action required.	716
Remediation / risk management completed. No further action required.	649
Confirmatory sampling completed. No further action required.	2,366

Long-Term Monitoring Phase	Sites
Long term monitoring completed. No further action required.	518

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.