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.831
Historical review completed. Initial testing underway.1,215

Active

Assessment PhaseSites
Initial testing completed. Detailed testing underway.2,485
Detailed testing completed. Remediation / risk management planned.528
Detailed testing completed. Remedial action plan under development.688
Remediation/Risk Management PhaseSites
Remedial action plan completed. Remediation / risk management underway.689
Remediation / risk management completed. Confirmatory sampling underway.419
Long-Term Monitoring PhaseSites
Confirmatory sampling completed. Long term monitoring underway.438

Closed

Suspected PhaseSites
Historical review not required.4,177
Historical review completed. No further action required.4,153
Assessment PhaseSites
Initial testing completed. No further action required.3,392
Detailed testing completed. No further action required.1,012
Remediation/Risk Management PhaseSites
Detailed testing completed. No further action required.414
Remediation / risk management completed. No further action required.444
Confirmatory sampling completed. No further action required.1,846
Long-Term Monitoring PhaseSites
Long term monitoring completed. No further action required.538
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.