Tanks

​Underground Storage Tank Program

Tank Statistics
​Number of tanks with operating permits* ​5,052
Number of new tanks installed from 12/22/88 - present ​3,587
Number of tanks with upgrades/retrofits
​1,465
​Number of out-of-service tanks** ​444
​Number of tanks in service with operating permits and out of service ​5,496
​Number of permanently decommissioned tanks ​26,972
​Percentage of tanks with operating permits ​91.92%
Facility Statistics
​Number of facilities with operating permits ​1,658
​Number of facilities with out-of-service tanks ​177
​Number of facilities with operating permits and out-of-service tanks ​1,835
​Percentage of facilities with operating permits ​90.35%
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 ​47,986
​Number of cleanups completed ​41,365
Regulated Releases
​Number of releases reported ​7,618
​Number of cleanups initiated ​7,354
​Number of cleanups completed ​6,791
Unregulated Releases***
​Number of releases reported ​908
​Number of cleanups completed ​740
Heating Oil Tank Releases
​Number of releases reported ​39,460
​Number of cleanups completed ​33,834
Note: *** Does not include HOTs.

Data updated Jan. 3, 2018