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Discharge permits in Minnesota

456 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.

By industry

Sewage treatment plants (302)

Adams city of MN0021261
Aitkin city of MN0020095
Albany city of MN0020575
Albert Lea city of MN0041092 · major
Albertville city of MN0050954
Alexandria Lake Area Sanitary District MN0040738 · major
Altura city of MN0021831
Amboy city of MN0022624
Annandale/Maple Lake/Howard Lake Wastewater Commission MN0066966 · major
Appleton city of MN0021890
Aspen Hills Homeowners Association MN0066028
Atwater city of MN0022659
Aurora city of MN0020494
Austin city of MN0022683 · major
Avon city of MN0047325
Bois Forte Tribal Council MN0061310
Bois Forte WTR & San-Nett Lake MN0059447
Babbitt city of MN0020656
Bagley city of MN0022691
Balaton city of MN0020559
Barnesville city of MN0022501
Barrett city of MN0022713
Beaver Bay city of MN0040754
Becker city of MN0025666 · major
Belgrade city of MN0051381
Belle Plaine city of MN0022772
Bellechester city of MN0022764
Bemidji city of MN0022462 · major
Big Lake city of MN0041076
Biwabik city of MN0053279
Blooming Prairie city of MN0021822
Borup city of MN0022853
Bowlus city of MN0020923
Braham city of MN0022870
Brainerd Public Utilities MN0049328 · major
Breckenridge city of MN0022900
Brewster city of MN0021750
Browerville city of MN0022926
Brownsdale city of MN0022934
Brownsville city of MN0053562
Brownton city of MN0022951
Buffalo city of MN0040649 · major
Butterfield city of MN0022977
Byron city of MN0049239
Callaway MN0022985
City of Bejou MN0064688
City of Thief River Falls MN0021431 · major
Caledonia city of MN0020231
Cambridge city of MN0020362 · major
Camp Victory Ministries MN0067032
Cannon Falls city of MN0022993
Canton city of MN0023001
Carlos city of MN0023019
Cedar Mills city of MN0066605
Central Iron Range Sanitary Sewer District MN0020117 · major
Chandler city of MN0039748
Chatfield city of MN0021857
Chisago Lakes Joint STC MN0055808 · major
City of St Cloud MN0040878 · major
City of Winona MN0030147 · major
Clara City city of MN0023035
Clear Lake-Clearwater Sewer Authority MN0047490
Cokato city of MN0049204
Cold Spring city of MN0023094 · major
Coleraine-Bovey-Taconite Joint MN0053341
Cologne city of MN0023108
Comfrey city of MN0021687
Cormorant Park Place Estates MN0067440
Crane Lake Water & Sanitary District MN0066371
Cromwell city of MN0051101
Crookston city of MN0021423 · major
Crosslake city of MN0064882
Dassel city of MN0054127
Dawson city of MN0021881
Delano city of MN0051250 · major
Dennison city of MN0022195
Dodge Center city of MN0021016
Dumont city of MN0064831
East Gull Lake city of MN0059871
Effie city of MN0067555
Eitzen city of MN0049531
Elbow Lake city of MN0051535
Elk River city of MN0020788 · major
Ely city of MN0020508 · major
Eveleth city of MN0023337
Fairmont city of MN0030112 · major
Faribault city of MN0030121 · major
Federal Dam city of MN0063487
Fergus Falls city of MN0050628 · major
Foley city of MN0023451
Fosston city of MN0022128
Grand Portage Reservation WWSL MN0025887
Garvin city of MN0029602
Gilbert city of MN0020125
Glencoe city of MN0022233 · major
Glenville city of MN0021245
Glyndon city of MN0020630
Gonvick city of MN0020541
Goodhue city of MN0020958
Graceville city of MN0023540
Grand Marais city of MN0020010
Grand Meadow city of MN0023558
Grand Rapids city of MN0022080 · major
Granite Falls city of MN0021211
Grasston city of MN0025691
Greenfield city of MN0063762
Grey Eagle city of MN0023566
Grove City city of MN0023574
Halstad city of MN0020770
Hammond city of MN0066940
Hampton city of MN0021946
Hanska city of MN0052663
Harmony city of MN0022322
Harris city of MN0050130
Havenpark Management MN0045721
Hawley city of MN0020338
Hector city of MN0025445
Hibbing city of MN0030643 · major
Hinckley city of MN0023701
Hokah city of MN0021458
Holdingford city of MN0023710
Holland city of MN0021270
Hope-Somerset Township MN0068802
Houston city of MN0023736
Hoyt Lakes city of MN0020206
Hutchinson city of MN0055832 · major
Isanti Estates LLC MN0054518
Isanti city of MN0023795
Isle city of MN0023809
Jackson city of MN0021377
Kandiyohi County MN0052752
Kasson city of MN0050725 · major
Kenyon city of MN0021628
Kerkhoven city of MN0020583
Lower Sioux Indian Reservation Jackpot Junction WWSL MN0061433
La Salle city of MN0067458
Lake Andrews Homeowners Association Inc MN0067733
Lake Benton city of MN0023884
Lake City city of MN0020664 · major
Lake Crystal city of MN0055981
Lake Henry city of MN0020885
Lakefield city of MN0020427
Laketown Township MN0054399
Lanesboro city of MN0020044
Lansing Township MN0063461
Le Center city of MN0023931
Le Roy city of MN0021041
Le Sueur city of MN0068195 · major
Lester Prairie city of MN0023957
Lewiston city of MN0023965
Litchfield city of MN0023973 · major
Little Falls city of MN0020761 · major
Long Prairie city of MN0066079 · major
Lonsdale city of MN0031241
Luverne city of MN0020141 · major
Lyle city of MN0022101
Mahnomen MN0024066
MHC CM Utility Systems LLC MN0050636
Mille Lacs Band of Chippewa MN0058611
ML Wastewater Management, Inc MN0064637
MNDOT Central Office MN0049514
MNDOT Central Office MN0069639
Mabel city of MN0020877
Madelia city of MN0024040 · major
Mankato city of MN0030171 · major
Marble city of MN0020214
Marshall city of MN0022179 · major
Mayer city of MN0021202
Maynard city of MN0056588
Mazeppa city of MN0046752
Meadows of Whisper Creek HOA MN0066753
Melrose city of MN0020290 · major
Metropolitan Council MN0029629 · major
Metropolitan Council MN0029815 · major
Metropolitan Council MN0029882 · major
Metropolitan Council MN0029904 · major
Metropolitan Council MN0029955 · major
Metropolitan Council MN0029998 · major
Metropolitan Council MN0030007 · major
Metropolitan Council MN0045845 · major
Metropolitan Council MN0070629 · major
Milaca city of MN0024147
Millerville city of MN0054305
Miltona city of MN0024155
Minnesota City city of MN0069817
Montevideo WWTP MN0020133 · major
Monticello city of MN0020567 · major
Montrose city of MN0024228
Moorhead City of MN0049069 · major
Morgan city of MN0020443
Morris city of MN0021318
Morristown city of MN0025895
Morton city of MN0051292
Motley city of MN0024244
Mountain Iron city of MN0040835
Mountain Lake city of MN0021466
Murdock city of MN0052990
Nashwauk city of MN0053392
Nerstrand city of MN0065668
New Germany city of MN0024295
New Prague WWTP MN0020150 · major
New Richland city of MN0021032
New Ulm city of MN0030066 · major
North Branch city of MN0024350
North Koochiching Area Sanitary District MN0020257 · major
Ogema MN0049794
Oakland Sanitary District MN0040631
Ogilvie city of MN0021997
Okabena city of MN0050288
Olivia city of MN0020907
Onamia city of MN0052906
Oronoco city of MN0071421
Orr city of MN0024422
Osakis city of MN0020028
Ostrander city of MN0024449
Otsego city of MN0064190 · major
Otsego city of MN0066257
Owatonna city of MN0051284 · major
Prairie Island Community WWSL MN0061336
Palisade city of MN0050997
Pelican Rapids city of MN0022225
Peterson city of MN0024490
Pine City city of MN0021784
Pine Island city of MN0024511
Pine River Area Sanitary District MN0046388
Pipestone city of MN0054801
Plainview-Elgin Sanitary District MN0055361 · major
Preston city of MN0020745
Princeton city of MN0024538 · major
Racine city of MN0024554
Randall city of MN0024562
Red Wing city of MN0024571 · major
Redwood Falls city of MN0020401 · major
Resort Management Corp MN0056685
Rice city of MN0056481
Richmond city of MN0024597
Rochester city of MN0024619 · major
Rockford city of MN0024627
Rose Creek city of MN0024651
Roseau city of MN0024643
Royalton city of MN0020460
Rushford city of MN0024678
Shakopee Mdewakanton Sioux WRF MN0067938
Sacred Heart city of MN0024708
Saint Clair city of MN0024716
Saint Francis city of MN0021407
Saint George District Sewer System MN0064785
Saint James city of MN0024759 · major
Saint Michael city of MN0020222 · major
Saint Peter city of MN0022535 · major
Sauk Centre Public Utilities MN0024821
Sebeka city of MN0024856
Sherburn city of MN0024872
Spring Grove city of MN0021440
Spring Valley city of MN0051934
Staples city of MN0024988
Starbuck city of MN0021415
Starland Hutterian Brethren Inc MN0067334
Stewart city of MN0053210
Stewartville city of MN0020681 · major
Swanville city of MN0020109
Tamarack city of MN0064564
The Cove Utility Association MN0066109
Tofte Wastewater Treatment Association Inc MN0054593
Tower/Breitung Wastewater Board MN0072192
Tracy city of MN0021725
Tri-City Wastewater Treatment Systems Board MN0025224
Trosky city of MN0071633
Two Harbors city of MN0022250 · major
Upper Sioux Community MN0075001
US Army Corps of Engineers MN0110027
Utica city of MN0022055
Vergas city of MN0025097
Vermillion city of MN0025101
Vernell Roberts MN0020192 · major
Vernon Center city of MN0030490
Virginia city of MN0030163 · major
Waubun MN0022110
White Earth Reservation MN0059404
White Earth Reservation MN0059439
White Earth Reservation MN0064165
White Earth Reservation MN0064173
White Earth Reservation MN0068438
Wabasha city of MN0025143
Wadena city of MN0020672
Waldorf city of MN0021849
Wanamingo city of MN0022209
Warroad city of MN0025194
Waseca city of MN0020796 · major
Watertown city of MN0020940
Western Lake Superior Sanitary District (WLSSD) MN0049786 · major
Whitewater River WWTP MN0046868 · major
Willmar city of MN0025259 · major
Windom city of MN0022217 · major
Winnebago city of MN0025267 · major
Winsted city of MN0021571
Worthington city of MN0031186 · major
Wykoff city of MN0020826
Wyoming Park LLC MN0054372
Zimmerman city of MN0042331
Zumbro Falls city of MN0051004
Zumbrota city of MN0025330 · major

Industrial and other (154)

3M Chemical Operations LLC MN0001449 · major · Chemical Preparations
ADM Corn Processing - Marshall MN0057037 · major · Farm-Product Raw Materials
Aggregate Industries MN0030473 · Crushed And Broken Limestone
Agropur, Inc. MN0060216 · Cheese, Natural And Processed
Aitkin Agri-Peat Inc MN0055662 · Miscellaneous Nonmetallic Minerals
Al-Corn Clean Fuel MN0063002
American Crystal Sugar - East Grand Forks MN0001937 · major · Beet Sugar
American Crystal Sugar - Moorhead MN0001945 · major · Beet Sugar
American Crystal Sugar Co MN0065846 · Beet Sugar
American Crystal Sugar Company MN0001929 · major · Beet Sugar
American Peat Technology LLC MN0057533 · Minerals, Ground Or Treated
Amrize Midwest Inc MN0069515 · Construction Sand And Gravel
Anchor Glass Container Corp MN0003042 · Glass Containers
Andersen Corporation MN0001724 · Millwork
Associated Milk Producers Inc. MN0044326 · Cheese, Natural And Processed
BNSF Railway MN0000779 · Railroads, Line-Haul Operating
Benton Utilities LLC MN0065391
Boise White Paper LLC MN0001643 · major
Bongards' Creameries MN0047228 · Cheese, Natural And Processed
CF Industries Distribution Facilities LLC MN0069418 · Farm Supplies
CHL Holding LLC MN0053252 · Dwelling Operators, Except Apartments
CN MN0000361 · Railroads, Line-Haul Operating
Captain Kens Foods Inc MN0059765 · Frozen Specialties
Cargill Animal Nutrition MN0071919 · Prepared Feeds
Cargill Inc MN0041521 · Industrial Organic Chemicals
Carmeuse MN0063584 · Crushed And Broken Limestone
CenterPoint Energy MN0063967
City of Northfield MN0024368 · major
Cliffs Erie LLC MN0067962 · Iron Ores
ConAgra Brands - Waseca MN0001686 · Frozen Fruits And Vegetables
Covia Solutions LLC MN0001716 · Industrial Sand
Denco II LLC MN0060232 · Industrial Organic Chemicals
Dairy Farmers of America MN0003671 · Creamery Butter
Darling Ingredients Inc MN0002313 · Animal And Marine Fats And Oils
Delft Sanitary District MN0066541
Delta Air Lines Inc MN0054194 · Air Transportation, Scheduled
Doug Losee MN0053082 · Industrial Sand
Duluth city of MN0055719 · Steam And Air-Conditioning Supply
Dyno Nobel Inc MN0060704 · Explosives
Emmons city of MN0023311
Everything Sprouts LLC DBA Calco Sprouts MN0059960 · Food Crops Grown Under Cover
Fui MN0069108 · Animal And Marine Fats And Oils
Fabcon Precast LLC MN0068284 · Concrete Products
Facilities Management Office Camp Ripley MN0063070 · Carwashes
Fairmont Foods, Inc MN0001996 · Frozen Specialties
Faribault Foods Inc MN0050491 · Canned Specialties
Federal-Mogul Powertrain LLC MN0001147 · Gray And Ductile Iron Foundries
Flint Hills Resources Pine Bend LLC MN0000418 · major · Petroleum Refining
Fountain city of MN0050873
Great Lakes Transmission MN0052540 · Natural Gas Transmission
Gevo MN0064033 · Industrial Organic Chemicals
Granite Falls Energy LLC MN0066800 · Industrial Organic Chemicals
Green Plains LLC MN0068063 · Industrial Organic Chemicals
Hawkes Company Inc MN0062715 · Miscellaneous Nonmetallic Minerals
Heartland Corn Products MN0062561 · Industrial Organic Chemicals
Hennepin County Dept of Environment and Energy MN0057525 · Refuse Systems
Hennepin County Energy Center MN0057509 · Steam And Air-Conditioning Supply
Heron Lake BioEnergy MN0067385 · Industrial Organic Chemicals
Honeywell Aerospace US LLC MN0042641 · Search And Navigation Equipment
Hope Creamery MN0001317 · Creamery Butter
Isd 363 MN0049263 · Elementary And Secondary Schools
Kraemer Mining & Materials Inc MN0002224 · Crushed And Broken Limestone
Kraemer Mining Materials Inc MN0067806 · Crushed And Broken Granite
L.G. Everist, Inc. MN0068764 · Crushed And Broken Granite
Lakeside Foods Inc MN0001571 · Canned Fruits And Vegetables
Lincoln Pipestone Rural Water System MN0064351 · Water Supply
Little Falls city of MN0003182 · Water Supply
MDNR MN0004421 · Fish Hatcheries And Preserves
MDNR MN0004430 · Fish Hatcheries And Preserves
MDNR MN0061221 · Fish Hatcheries And Preserves
MDNR Central Office MN0033723 · Land, Mineral, Wildlife Conservation
MDNR Parks and Trails MN0069710 · Fish Hatcheries And Preserves
ME Global MN0053830 · Steel Foundries
MNDOT Central Office MN0044458 · Regulation, Administration Of Transportation
MNDOT Central Office MN0048844 · Regulation, Administration Of Transportation
Martin Marietta MN0004031 · Crushed And Broken Granite
Marvin Lumber and Cedar Co MN0055026 · Offices & Clinics Of Medical Doctors
Matthew Tenhoff MN0068098 · Electric Services
Medivators MN0063541 · Surgical And Medical Instruments
Mesabi Metallics Company LLC MN0068241 · Iron Ores
Milestone Materials MN0062227 · Construction Sand And Gravel
Minn-Dak Farmers Cooperative MN0070386 · Beet Sugar
Minneapolis city of MN0003247 · Water Supply
Minnesota Army National Guard MN0025721 · National Security
Minnesota Power MN0001015 · Steam And Air-Conditioning Supply
Minnesota Power MN0002208 · major · Electric Services
Minnesota Power MN0046256 · Electric Services
Minnesota Power - Rapids Energy Center MN0000990 · major · Electric Services
Minnesota Power a division of ALLETE Inc MN0001007 · major · Electric Services
Minnesota Sports Facilities Authority MN0071188 · Sports Clubs, Managers, & Promoters
Mora city of MN0021156
NCL Acquisition Corporation MN0066508 · Toilet Preparations
Nilfisk Inc MN0066648 · Special Trade Contractors
Northern States Power a MN Corp dba Xcel MN0000884 · major · Electric Services
Northern States Power a MN Corp dba Xcel MN0000914 · Refuse Systems
Northrop city of MN0024384
Northshore Mining Co MN0055301 · major · Iron Ores
Northshore Mining Co - Babbitt MN0046981 · major · Iron Ores
NuStar Pipeline Operating Partnership LP MN0000485 · Refined Petroleum Pipelines
Order of St Benedict/St John's Abbey MN0022411 · Colleges And Universities
Owens Corning MN0048810 · Asphalt Felts And Coatings
POET Biorefining - Bingham Lake LLC MN0063118 · Industrial Organic Chemicals
POET Biorefining - Lake Crystal LLC MN0067172 · Industrial Organic Chemicals
POET Biorefining - Preston, LLC MN0064017 · Industrial Organic Chemicals
PURIS Foods MN0048968 · Food Preparations
Patrick Flowers MN0000892 · major · Electric Services
Peerless Chain MN0001325 · Miscellaneous Fabricated Wire Products
Pilgrims MN0047261 · Poultry Slaughtering And Processing
Plainview Milk Products Coop MN0000311 · Fluid Milk
Poet Biorefining MN0065692 · Industrial Organic Chemicals
Polar Semiconductor LLC MN0064661 · Semiconductors And Related Devices
Prairie Lakes Municipal Solid Waste Authority MN0067415 · Refuse Systems
Premier Horticulture Inc MN0055115 · Miscellaneous Nonmetallic Minerals
Preston Protein Products MN0001333 · Dry, Condensed, Evaporated Products
Prior Lake-Spring Lake Watershed District MN0067377 · Water Supply
RTP Co MN0053350 · Custom Compound Purchased Resins
Rahr Malting Co. MN0031917 · Malt
Rich Prairie Sewer & Water District MN0063657
Richfield city of MN0070173 · Water Supply
Robbinsdale city of MN0069957 · Water Supply
Rochester Athletic Club MN0062537 · Physical Fitness Facilities
Saint Anthony city of MN0071803 · Water Supply
Saint Croix Forge Inc MN0069051 · Iron And Steel Forgings
Saint John's University MN0046035 · Colleges And Universities
Saint Leo city of MN0024775
Saint Louis Park city of MN0045489 · Special Trade Contractors
Saint Paul Park Refining Co LLC MN0000256 · major · Petroleum Refining
Saint Paul city of MN0045829
Sandstone city of MN0056910
Sappi Cloquet LLC MN0001431 · Pulp Mills
Seneca Foods - Glencoe, MN MN0001236 · Canned Fruits And Vegetables
Seneca Foods Corp MN0001279 · Frozen Fruits And Vegetables
Seneca Foods Corp MN0001287 · Canned Fruits And Vegetables
Skywater Technology Foundry Inc MN0056723 · Semiconductors And Related Devices
Southern Minnesota Beet Sugar Cooperative MN0040665 · major · Beet Sugar
St Louis County Schools - ISD 2142 MN0069850 · Elementary And Secondary Schools
Swift Pork Company MN0031178 · major · Meat Packing Plants
Sysco MN0052728 · Groceries, General Line
US Air Force Reserve MN0052141 · National Security
US Steel Corp MN0057207 · major · Iron Ores
US Steel Corp - Keetac MN0031879 · Iron Ores
US Steel Corp - Tailings MN0055948 · Iron Ores
University of Minnesota - Twin Cities MN0051802 · Colleges And Universities
University of Minnesota - Twin Cities MN0063436 · Colleges And Universities
Us Environmental Protection Agency MN0110914 · Testing Laboratories
VEOLIA WTS Solutions USA Inc MN0059013 · General Industrial Machinery
Valero Renewable Fuels Co. LLC-Welcome Plant MN0068161 · Industrial Organic Chemicals
Wisconsin Central Limited MN0049018 · Railroads, Line-Haul Operating
Woodbury city of MN0071749 · major · Water Supply
Xcel Energy MN0000876 · major · Electric Services
Xcel Energy MN0002186 · major · Electric Services
Xcel Energy MN0004006 · major · Electric Services
Xcel Energy - Allen S King Generating Plant MN0000825 · major · Electric Services
Xcel Energy, Inc MN0000868 · major · Electric Services

Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=MN · MCP: https://passage-data.com/mcp · All states