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 Phase | Sites |
Historical review planned. | 634 |
Historical review completed. Initial testing underway. | 858 |
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 |
Long-Term Monitoring Phase | Sites |
Confirmatory sampling completed. Long term monitoring underway. | 450 |
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 |
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.
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