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State file — AR

Underground storage tanks in Arkansas

10,772 registered facilities · 6,615 tanks in service · 1,334 leak records · 117 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).

10,772UST facilities
6,615tanks in service
22,549closed tanks
1,334leak records
117open cases
91%cases closed / NFA

Arkansas runs 21.7 tanks in service per 10,000 residents (population 3,041,640). 1,217 of its 1,334 reported releases have reached No Further Action. The regulator of record is the Arkansas DEQ Regulated Storage Tanks, which holds the live registration and case files.

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By county

CountyFacilitiesTanks in serviceLeak recordsOpen cases
Arkansas County11753133
Ashley County11473142
Baxter County14090201
Benton County364298322
Boone County1528961
Bradley County653871
Calhoun County341531
Carroll County7460112
Chicot County703741
Clark County12869190
Clay County723441
Cleburne County10878140
Cleveland County402200
Columbia County17169101
Conway County8570120
Craighead County286159302
Crawford County158135286
Crittenden County209140618
Cross County904240
Dallas County834670
Desha County954052
Drew County1054750
Faulkner County176205424
Franklin County743960
Fulton County432251
Garland County308187566
Grant County754050
Greene County1227195
Hempstead County13066110
Hot Spring County13477170
Howard County9542100
Independence County15692182
Izard County543421
Jackson County8245132
Jefferson County334193505
Johnson County12671160
Lafayette County633091
Lawrence County804761
Lee County702310
Lincoln County572531
Little River County702971
Logan County9566101
Lonoke County150123253
Madison County383000
Marion County574251
Miller County167111393
Mississippi County258110242
Monroe County8446100
Montgomery County683530
Nevada County6252121
Newton County332610
Ouachita County19310990
Perry County331650
Phillips County16446123
Pike County884280
Poinsett County1407883
Polk County834461
Pope County209130232
Prairie County462431
Pulaski County1,33296623610
Randolph County763020
Saline County212186242
Scott County753470
Searcy County533350
Sebastian County512248603
Sevier County705260
Sharp County614431
St. Francis County153118284
Stone County442320
Union County333137344
Van Buren County664890
Washington County459279746
White County228169382
Woodruff County362640
Yell County855040

Frequently asked questions

How many underground storage tanks are in Arkansas?

The EPA UST Finder snapshot lists 10,772 registered UST facilities in Arkansas, with 6,615 tanks in service and 22,549 closed or removed tanks across 75 countys.

How many tank leaks have been reported in Arkansas?

1,334 releases are on record statewide. 1,217 (91%) were closed with No Further Action; 117 cleanup cases remained open in the snapshot.

Which Arkansas county has the most underground storage tanks?

By facility count: Pulaski (1,332), Sebastian (512), Washington (459), Benton (364), Jefferson (334). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.