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.	634
Historical review completed. Initial testing underway.	858

Active

Assessment Phase	Sites
Initial testing completed. Detailed testing underway.	1,904
Detailed testing completed. Remediation / risk management planned.	407
Detailed testing completed. Remedial action plan under development.	682

Remediation/Risk Management Phase	Sites
Remedial action plan completed. Remediation / risk management underway.	656
Remediation / risk management completed. Confirmatory sampling underway.	411

Long-Term Monitoring Phase	Sites
Confirmatory sampling completed. Long term monitoring underway.	450

Closed

Suspected Phase	Sites
Historical review not required.	4,180
Historical review completed. No further action required.	4,460

Assessment Phase	Sites
Initial testing completed. No further action required.	4,064
Detailed testing completed. No further action required.	1,275

Remediation/Risk Management Phase	Sites
Detailed testing completed. No further action required.	681
Remediation / risk management completed. No further action required.	635
Confirmatory sampling completed. No further action required.	2,292

Long-Term Monitoring Phase	Sites
Long term monitoring completed. No further action required.	523

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.