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County file — LA

Underground Storage Tanks in Ouachita Parish, LA — 621 facilities, 235 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Ouachita Parish, population 160,178.

621UST facilities
325tanks in service
1,364closed tanks
235leak records
29open cases
206no further action

Ouachita Parish has 621 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 325 tanks in service and 1,364 tanks that have been closed or removed, plus 43 temporarily out of service. Over the life of the program, 235 fuel releases were reported here; 206 (88% of records) were investigated and closed with No Further Action, and 29 of those cleanup cases were still open when the snapshot was compiled.

That works out to 20.3 tanks in service per 10,000 residents, about equal to 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.

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Frequently asked questions

How many underground storage tanks are in Ouachita Parish, LA?

The EPA UST Finder snapshot lists 621 registered UST facilities in Ouachita Parish with 325 tanks currently in service, 1,364 closed or removed tanks, and 43 temporarily out of service.

How many fuel leaks have been reported in Ouachita Parish?

235 releases from underground storage tanks are on record for Ouachita Parish. 206 (88%) reached No Further Action status, while 29 cleanup cases remained open in the snapshot.

How do I check a specific address in Ouachita Parish?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Ouachita 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 Ouachita 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

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