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State file — MN

Underground storage tanks in Minnesota

14,357 registered facilities · 10,810 tanks in service · 11,582 leak records · 418 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).

14,357UST facilities
10,810tanks in service
34,911closed tanks
11,582leak records
418open cases
96%cases closed / NFA

Minnesota runs 19.3 tanks in service per 10,000 residents (population 5,604,047). 11,069 of its 11,582 reported releases have reached No Further Action. The regulator of record is the MPCA UST Program, which holds the live registration and case files.

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By county

CountyFacilitiesTanks in serviceLeak recordsOpen cases
Aitkin County8379643
Anoka County55452941811
Becker County15886885
Beltrami County173147969
Benton County112108904
Big Stone County3822300
Blue Earth County2181801546
Brown County12167792
Carlton County15410414010
Carver County1601571168
Cass County226170987
Chippewa County6143463
Chisago County9788927
Clay County1521041315
Clearwater County4437270
Cook County6639453
Cottonwood County7741500
Crow Wing County2391841576
Dakota County67570548610
Dodge County4932512
Douglas County13411311010
Faribault County11256952
Fillmore County10150693
Freeborn County1461151092
Goodhue County1641121254
Grant County3134260
Hennepin County2,0121,5101,94156
Houston County7352501
Hubbard County10562371
Isanti County8264625
Itasca County27315020013
Jackson County5440420
Kanabec County5641292
Kandiyohi County1811051415
Kittson County4124282
Koochiching County9386731
Lac qui Parle County3414330
Lake County8741772
Lake of the Woods County4726201
Le Sueur County10775691
Lincoln County2227280
Lyon County115581131
Mahnomen County5642444
Marshall County5133333
Martin County121691035
McLeod County135821130
Meeker County8558481
Mille Lacs County136124925
Morrison County1691371025
Mower County125911066
Murray County4437340
Nicollet County8363715
Nobles County10161951
Norman County3727371
Olmsted County31422725811
Otter Tail County2411921534
Pennington County5250412
Pine County106106826
Pipestone County4934540
Polk County141961181
Pope County5329301
Ramsey County1,0527161,06433
Red Lake County2321160
Redwood County10460792
Renville County8758633
Rice County134831244
Rock County5232395
Roseau County6162362
Scott County2092141172
Sherburne County125164643
Sibley County6947603
St. Louis County92650399942
Stearns County44140826711
Steele County132751085
Stevens County4747480
Swift County5533453
Todd County7068682
Traverse County2617232
Wabasha County8753482
Wadena County9756400
Waseca County7443673
Washington County3103012448
Watonwan County6543482
Wilkin County3625270
Winona County1901081305
Wright County1951911622
Yellow Medicine County6447470

Frequently asked questions

How many underground storage tanks are in Minnesota?

The EPA UST Finder snapshot lists 14,357 registered UST facilities in Minnesota, with 10,810 tanks in service and 34,911 closed or removed tanks across 87 countys.

How many tank leaks have been reported in Minnesota?

11,582 releases are on record statewide. 11,069 (96%) were closed with No Further Action; 418 cleanup cases remained open in the snapshot.

Which Minnesota county has the most underground storage tanks?

By facility count: Hennepin (2,012), Ramsey (1,052), St. Louis (926), Dakota (675), Anoka (554). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.