Tanks

​Underground Storage Tank Program

Tank Statistics
​Number of tanks with operating permits* ​4,949
Number of new tanks installed from 12/22/88 - present ​3,609
Number of tanks with upgrades/retrofits
​1,340
​Number of out-of-service tanks** ​451
​Number of tanks in service with operating permits and out of service ​5,400
​Number of permanently decommissioned tanks ​27,239
​Percentage of tanks with operating permits ​91.65%
Facility Statistics
​Number of facilities with operating permits ​1,612
​Number of facilities with out-of-service tanks ​185
​Number of facilities with operating permits and out-of-service tanks ​1,797
​Percentage of facilities with operating permits ​9​9.71%
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 ​50,601
​Number of cleanups completed ​43,970
Regulated Releases
​Number of releases reported ​7,715
​Number of cleanups initiated ​7,452
​Number of cleanups completed ​6,928
Unregulated Releases***
​Number of releases reported ​967
​Number of cleanups completed ​803
Heating Oil Tank Releases
​Number of releases reported ​41,919
​Number of cleanups completed ​36,239
Note: *** Does not include HOTs.

Data updated January 2020