Tanks

​Underground Storage Tank Program

Tank Statistics
​Number of tanks with operating permits* ​4,969
Number of new tanks installed from 12/22/88 - present ​3,605
Number of tanks with upgrades/retrofits
​1,364
​Number of out-of-service tanks** ​449
​Number of tanks in service with operating permits and out of service ​5,418
​Number of permanently decommissioned tanks ​27,178
​Percentage of tanks with operating permits ​91.71%
Facility Statistics
​Number of facilities with operating permits ​1,621
​Number of facilities with out-of-service tanks ​177
​Number of facilities with operating permits and out-of-service tanks ​1,798
​Percentage of facilities with operating permits ​90.16%
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 ​49,986
​Number of cleanups completed ​43,236
Regulated Releases
​Number of releases reported ​7,686
​Number of cleanups initiated ​7,424
​Number of cleanups completed ​6,889
Unregulated Releases***
​Number of releases reported ​955
​Number of cleanups completed ​794
Heating Oil Tank Releases
​Number of releases reported ​41,345
​Number of cleanups completed ​35,553
Note: *** Does not include HOTs.

Data updated July 2019