Tanks

​Underground Storage Tank Program

Tank statistics
​Number of tanks with operating permits* ​4,942
Number of new tanks installed from 12/22/88 - present ​3,620
Number of tanks with upgrades/retrofits
​1,322
​Number of out-of-service tanks** ​443
​Number of tanks in service with operating permits and out of service ​5,385
​Number of permanently decommissioned tanks ​27,308
​Percentage of tanks with operating permits ​91.77%
Facility statistics
​Number of facilities with operating permits ​1,602
​Number of facilities with out-of-service tanks ​179
​Number of facilities with operating permits and out-of-service tanks ​1,781
​Percentage of facilities with operating permits ​89.95%
Note:
* Only tanks with operating permits are authorized to receive fuel.
** Tanks without operating permits are not authorized to receive fuel and are out of service including tanks in temporary closure.

Leaking Underground Storage Tank Program

Total releases
​Number of releases reported ​51,143
​Number of cleanups initiated29,921​
​Number of cleanups completed ​44,579
Regulated releases
​Number of releases reported ​7,747
​Number of cleanups initiated ​7,479
​Number of cleanups completed ​6,957
Unregulated releases including heating oil tanks
​Number of releases reported ​43,396
​Number of cleanups initiated ​22,442
​Number of cleanups completed37,622​
Heating oil tank releases
​Number of releases reported ​42,413
​Number of cleanups completed ​36,809
Data updated July 2020