Tanks

​Underground Storage Tank Program

Tank Statistics
​Number of tanks with operating permits* ​5,034
Number of new tanks installed from 12/22/88 - present ​3,584
Number of tanks with upgrades/retrofits
​1,450
​Number of out-of-service tanks** ​438
​Number of tanks in service with operating permits and out of service ​5,473
​Number of permanently decommissioned tanks ​27,018
​Percentage of tanks with operating permits ​92.0%
Facility Statistics
​Number of facilities with operating permits ​1,647
​Number of facilities with out-of-service tanks ​181
​Number of facilities with operating permits and out-of-service tanks ​1,828
​Percentage of facilities with operating permits ​90.1%
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 ​48,719
​Number of cleanups completed ​42,005
Regulated Releases
​Number of releases reported ​7,639
​Number of cleanups initiated ​7,373
​Number of cleanups completed ​6,827
Unregulated Releases***
​Number of releases reported ​929
​Number of cleanups completed ​756
Heating Oil Tank Releases
​Number of releases reported ​40,151
​Number of cleanups completed ​34,422
Note: *** Does not include HOTs.

Data updated July 2018