TankCheck

TankCheck / States / Iowa

County file — IA

Underground Storage Tanks in Polk County, IA — 1,097 facilities, 676 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Polk County, population 488,405.

1,097UST facilities
748tanks in service
2,659closed tanks
676leak records
20open cases
654no further action

Polk County has 1,097 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 748 tanks in service and 2,659 tanks that have been closed or removed. Over the life of the program, 676 fuel releases were reported here; 654 (97% of records) were investigated and closed with No Further Action, and 20 of those cleanup cases were still open when the snapshot was compiled.

That works out to 15.3 tanks in service per 10,000 residents, well below the Iowa average of 22.3 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 Polk County

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 address

Frequently asked questions

How many underground storage tanks are in Polk County, IA?

The EPA UST Finder snapshot lists 1,097 registered UST facilities in Polk County with 748 tanks currently in service, 2,659 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Polk County?

676 releases from underground storage tanks are on record for Polk County. 654 (97%) reached No Further Action status, while 20 cleanup cases remained open in the snapshot.

How do I check a specific address in Polk County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Polk County 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 Iowa DNR UST Program.

Verify with the state

The live regulatory record for any Polk County facility or leak case is held by the Iowa DNR UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Iowa

← All Iowa counts