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.751
Historical review completed. Initial testing underway.978

Active

Assessment PhaseSites
Initial testing completed. Detailed testing underway.2,231
Detailed testing completed. Remediation / risk management planned.469
Detailed testing completed. Remedial action plan under development.735
Remediation/Risk Management PhaseSites
Remedial action plan completed. Remediation / risk management underway.668
Remediation / risk management completed. Confirmatory sampling underway.420
Long-Term Monitoring PhaseSites
Confirmatory sampling completed. Long term monitoring underway.444

Closed

Suspected PhaseSites
Historical review not required.3,749
Historical review completed. No further action required.3,801
Assessment PhaseSites
Initial testing completed. No further action required.3,406
Detailed testing completed. No further action required.1,033
Remediation/Risk Management PhaseSites
Detailed testing completed. No further action required.534
Remediation / risk management completed. No further action required.462
Confirmatory sampling completed. No further action required.1,680
Long-Term Monitoring PhaseSites
Long term monitoring completed. No further action required.185
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.