State file — NJ
Underground storage tanks in New Jersey
23,144 registered facilities · 12,186 tanks in service · 16,783 leak records · 4,663 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).
New Jersey runs 13.4 tanks in service per 10,000 residents (population 9,100,237). 12,120 of its 16,783 reported releases have reached No Further Action. The regulator of record is the NJDEP UST Program, which holds the live registration and case files.
Check any New Jersey address
Free screening of every registered tank and reported leak within a mile of any address.
Screen an addressBy county
| County | Facilities | Tanks in service | Leak records | Open cases |
|---|---|---|---|---|
| Atlantic County | 909 | 425 | 537 | 150 |
| Bergen County | 2,488 | 1,371 | 2,003 | 592 |
| Burlington County | 1,137 | 677 | 772 | 205 |
| Camden County | 1,263 | 713 | 901 | 234 |
| Cape May County | 496 | 160 | 304 | 65 |
| Cumberland County | 619 | 255 | 285 | 87 |
| Essex County | 1,870 | 917 | 1,549 | 552 |
| Gloucester County | 692 | 329 | 412 | 133 |
| Hudson County | 1,258 | 534 | 1,094 | 386 |
| Hunterdon County | 454 | 274 | 310 | 67 |
| Mercer County | 983 | 537 | 733 | 204 |
| Middlesex County | 1,984 | 1,113 | 1,527 | 386 |
| Monmouth County | 1,632 | 760 | 1,136 | 354 |
| Morris County | 1,484 | 830 | 1,044 | 203 |
| Ocean County | 1,115 | 711 | 598 | 123 |
| Passaic County | 1,388 | 707 | 1,010 | 287 |
| Salem County | 264 | 160 | 156 | 55 |
| Somerset County | 777 | 379 | 616 | 119 |
| Sussex County | 469 | 307 | 339 | 60 |
| Union County | 1,452 | 766 | 1,228 | 351 |
| Warren County | 410 | 261 | 229 | 50 |
Frequently asked questions
How many underground storage tanks are in New Jersey?
The EPA UST Finder snapshot lists 23,144 registered UST facilities in New Jersey, with 12,186 tanks in service and 77,464 closed or removed tanks across 21 countys.
How many tank leaks have been reported in New Jersey?
16,783 releases are on record statewide. 12,120 (72%) were closed with No Further Action; 4,663 cleanup cases remained open in the snapshot.
Which New Jersey county has the most underground storage tanks?
By facility count: Bergen (2,488), Middlesex (1,984), Essex (1,870), Monmouth (1,632), Morris (1,484). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.