County file — LA
Underground Storage Tanks in St. Tammany Parish, LA — 418 facilities, 212 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for St. Tammany Parish, population 259,212.
St. Tammany Parish has 418 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 343 tanks in service and 856 tanks that have been closed or removed, plus 31 temporarily out of service. Over the life of the program, 212 fuel releases were reported here; 203 (96% of records) were investigated and closed with No Further Action, and 9 of those cleanup cases were still open when the snapshot was compiled.
That works out to 13.2 tanks in service per 10,000 residents, well below the Louisiana average of 19.5 per 10,000. Countywide numbers are context, not a verdict on any parcel — tank risk is hyper-local, falling off within a few hundred feet.
Check any address in St. Tammany Parish
Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.
Screen an addressFrequently asked questions
How many underground storage tanks are in St. Tammany Parish, LA?
The EPA UST Finder snapshot lists 418 registered UST facilities in St. Tammany Parish with 343 tanks currently in service, 856 closed or removed tanks, and 31 temporarily out of service.
How many fuel leaks have been reported in St. Tammany Parish?
212 releases from underground storage tanks are on record for St. Tammany Parish. 203 (96%) reached No Further Action status, while 9 cleanup cases remained open in the snapshot.
How do I check a specific address in St. Tammany Parish?
Use the free TankCheck screening at https://tankcheckusa.site/ — paste any St. Tammany Parish address to map every registered tank and reported leak within a mile, with distances in feet and an A–F screening grade. Verify current records with the Louisiana DEQ UST Program.
Verify with the state
The live regulatory record for any St. Tammany Parish facility or leak case is held by the Louisiana DEQ UST Program. Newer records than this 2018–2021 snapshot may exist.
Nearby parishs in Louisiana
- St. James Parish 108 fac · 19 leaks
- St. John the Baptist Parish 122 fac · 45 leaks
- St. Landry Parish 425 fac · 156 leaks
- St. Martin Parish 214 fac · 85 leaks
- St. Mary Parish 230 fac · 78 leaks
- Tangipahoa Parish 396 fac · 121 leaks
- Tensas Parish 27 fac · 5 leaks
- Terrebonne Parish 406 fac · 140 leaks
- Union Parish 130 fac · 25 leaks
- Vermilion Parish 186 fac · 55 leaks