Tanks

​Underground Storage Tank Program

Tank statistics
​Number of tanks with operating permits* ​4,943
Number of new tanks installed from 12/22/88 - present ​3,647
Number of tanks with upgrades/retrofits
​1,296
​Number of out-of-service tanks** ​430
​Number of tanks in service with operating permits and out of service ​5,373
​Number of permanently decommissioned tanks ​27,404
​Percentage of tanks with operating permits ​92.00%
Facility statistics
​Number of facilities with operating permits ​1,597
​Number of facilities with out-of-service tanks ​172
​Number of facilities with operating permits and out-of-service tanks ​1,769
​Percentage of facilities with operating permits ​90.28%
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. These tanks were required to permanently decommission by 12/22/99.

Leaking Underground Storage Tank Program

Total releases
​Number of releases reported ​51,738
​Number of cleanups initiated29,960
​Number of cleanups completed ​45,075
Regulated releases
​Number of releases reported ​7,765
​Number of cleanups initiated ​7,499
​Number of cleanups completed ​6,980
Unregulated releases including heating oil tanks
​Number of releases reported ​43,973
​Number of cleanups initiated ​22,461
​Number of cleanups completed38,095
Heating oil tank releases
​Number of releases reported ​42,978
​Number of cleanups completed ​37,268
Data updated January 2021