# UST Check

> Per-address underground storage tank (UST) screening from EPA's national registry. 741,380 registered facilities, 2,297,155 tank records, 529,159 leak (LUST) incidents — EPA UST Finder, data vintage 2024-12-04, re-ingested weekly. County aggregates are EPA's own (layers 2/3 of the UST Finder service).

Important caveat carried on every page and report: This is a screen of EPA-registered tank and leak records, not an environmental site assessment. State registries are incomplete by design: tanks removed before 1986 and most residential heating-oil tanks were never registered, so a clean screen cannot prove the absence of a tank. "Closed" means a tank was taken out of service per the registry — it does not certify that no contamination remains.

- [Methodology and sources](https://ustcheck.com/methodology/): source, distances, vintages, screen-vs-ESA limits
- [Screen report](https://ustcheck.com/screen/): registered tanks at a parcel, facilities within 500/1,500 ft, open leak cleanups — $49–$149, Pro $299/yr
- [National statistics](https://ustcheck.com/counties/): 741,447 facilities, 69,986 open cleanups, by state and county
- [Terms of service](https://ustcheck.com/tos/)

## County pages (3,220 counties)

County pages answer "how many underground storage tanks / leak sites are in {county}":
https://ustcheck.com/counties/{state}/{county-slug}/ — e.g. https://ustcheck.com/counties/nj/cape-may/

## States by registered facilities

- [Texas](https://ustcheck.com/counties/tx/): 61,249 facilities, 27,948 leak incidents, 1,356 open cleanups
- [Florida](https://ustcheck.com/counties/fl/): 38,194 facilities, 34,554 leak incidents, 10,168 open cleanups
- [New York](https://ustcheck.com/counties/ny/): 33,631 facilities, 25,802 leak incidents, 656 open cleanups
- [Wisconsin](https://ustcheck.com/counties/wi/): 32,827 facilities, 20,472 leak incidents, 921 open cleanups
- [Pennsylvania](https://ustcheck.com/counties/pa/): 32,435 facilities, 17,487 leak incidents, 1,775 open cleanups
- [North Carolina](https://ustcheck.com/counties/nc/): 28,734 facilities, 23,567 leak incidents, 6,063 open cleanups
- [Illinois](https://ustcheck.com/counties/il/): 28,236 facilities, 25,334 leak incidents, 5,924 open cleanups
- [Michigan](https://ustcheck.com/counties/mi/): 27,944 facilities, 23,450 leak incidents, 8,674 open cleanups
- [Georgia](https://ustcheck.com/counties/ga/): 24,573 facilities, 17,921 leak incidents, 1,075 open cleanups
- [Ohio](https://ustcheck.com/counties/oh/): 24,534 facilities, 34,212 leak incidents, 2,044 open cleanups
- [Virginia](https://ustcheck.com/counties/va/): 24,529 facilities, 12,140 leak incidents, 323 open cleanups
- [New Jersey](https://ustcheck.com/counties/nj/): 23,144 facilities, 16,783 leak incidents, 4,663 open cleanups
- [Tennessee](https://ustcheck.com/counties/tn/): 19,058 facilities, 13,821 leak incidents, 155 open cleanups
- [Indiana](https://ustcheck.com/counties/in/): 17,730 facilities, 9,987 leak incidents, 1,851 open cleanups
- [Kentucky](https://ustcheck.com/counties/ky/): 16,761 facilities, 13,104 leak incidents, 0 open cleanups
- [Washington](https://ustcheck.com/counties/wa/): 16,732 facilities, 2,983 leak incidents, 2,730 open cleanups
- [Louisiana](https://ustcheck.com/counties/la/): 16,285 facilities, 5,654 leak incidents, 594 open cleanups
- [Alabama](https://ustcheck.com/counties/al/): 15,923 facilities, 5,106 leak incidents, 978 open cleanups
- [South Carolina](https://ustcheck.com/counties/sc/): 15,284 facilities, 10,125 leak incidents, 2,270 open cleanups
- [Missouri](https://ustcheck.com/counties/mo/): 14,550 facilities, 6,872 leak incidents, 695 open cleanups
- [Minnesota](https://ustcheck.com/counties/mn/): 14,357 facilities, 11,582 leak incidents, 418 open cleanups
- [Oklahoma](https://ustcheck.com/counties/ok/): 13,597 facilities, 4,124 leak incidents, 351 open cleanups
- [California](https://ustcheck.com/counties/ca/): 13,588 facilities, 41,677 leak incidents, 2,260 open cleanups
- [Iowa](https://ustcheck.com/counties/ia/): 13,223 facilities, 6,331 leak incidents, 555 open cleanups
- [Maryland](https://ustcheck.com/counties/md/): 12,656 facilities, 12,329 leak incidents, 79 open cleanups
- [Colorado](https://ustcheck.com/counties/co/): 11,328 facilities, 8,481 leak incidents, 493 open cleanups
- [Mississippi](https://ustcheck.com/counties/ms/): 11,225 facilities, 4,084 leak incidents, 1,756 open cleanups
- [Arkansas](https://ustcheck.com/counties/ar/): 10,772 facilities, 1,334 leak incidents, 117 open cleanups
- [Oregon](https://ustcheck.com/counties/or/): 10,669 facilities, 8,579 leak incidents, 984 open cleanups
- [Massachusetts](https://ustcheck.com/counties/ma/): 10,528 facilities, 5,331 leak incidents, 419 open cleanups
- [Arizona](https://ustcheck.com/counties/az/): 10,121 facilities, 9,330 leak incidents, 469 open cleanups
- [Connecticut](https://ustcheck.com/counties/ct/): 9,356 facilities, 2,273 leak incidents, 874 open cleanups
- [Kansas](https://ustcheck.com/counties/ks/): 9,337 facilities, 11,343 leak incidents, 1,486 open cleanups
- [West Virginia](https://ustcheck.com/counties/wv/): 8,733 facilities, 3,693 leak incidents, 556 open cleanups
- [Utah](https://ustcheck.com/counties/ut/): 6,202 facilities, 4,847 leak incidents, 286 open cleanups
- [Montana](https://ustcheck.com/counties/mt/): 6,136 facilities, 4,844 leak incidents, 1,027 open cleanups
- [New Mexico](https://ustcheck.com/counties/nm/): 6,062 facilities, 2,855 leak incidents, 937 open cleanups
- [Maine](https://ustcheck.com/counties/me/): 5,999 facilities, 3,097 leak incidents, 8 open cleanups
- [Idaho](https://ustcheck.com/counties/id/): 5,498 facilities, 1,576 leak incidents, 67 open cleanups
- [New Hampshire](https://ustcheck.com/counties/nh/): 4,636 facilities, 2,419 leak incidents, 594 open cleanups
- [Nevada](https://ustcheck.com/counties/nv/): 4,200 facilities, 2,406 leak incidents, 167 open cleanups
- [Wyoming](https://ustcheck.com/counties/wy/): 3,759 facilities, 1,616 leak incidents, 344 open cleanups
- [North Dakota](https://ustcheck.com/counties/nd/): 3,620 facilities, 1,047 leak incidents, 57 open cleanups
- [Vermont](https://ustcheck.com/counties/vt/): 3,520 facilities, 2,169 leak incidents, 601 open cleanups
- [Rhode Island](https://ustcheck.com/counties/ri/): 3,386 facilities, 2,077 leak incidents, 225 open cleanups
- [South Dakota](https://ustcheck.com/counties/sd/): 3,357 facilities, 4,082 leak incidents, 196 open cleanups
- [Delaware](https://ustcheck.com/counties/de/): 2,915 facilities, 4,965 leak incidents, 111 open cleanups
- [Alaska](https://ustcheck.com/counties/ak/): 2,597 facilities, 2,099 leak incidents, 256 open cleanups
- [Hawaii](https://ustcheck.com/counties/hi/): 2,563 facilities, 1,393 leak incidents, 77 open cleanups
- [Nebraska](https://ustcheck.com/counties/ne/): 2,194 facilities, 8,721 leak incidents, 871 open cleanups
- [Puerto Rico](https://ustcheck.com/counties/pr/): 1,655 facilities, 598 leak incidents, 329 open cleanups