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Discharge permits in Oregon
300 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.
By industry
Sewage treatment plants (180)
- A. R. Eatinger Loving Trust OR0029661
- Adair Village, City of OR0023396
- Albany-Millersburg Water Reclamation Facility OR0028801 · major
- Alpine County Service District OR0032387
- Amity, City of OR0026212
- Arch Cape Sanitary District OR0027499
- Arlington, City of OR0020192
- Ashland, City of OR0026255 · major
- Astoria, City of OR0027561 · major
- Athena, City of OR0022811
- Aumsville, City of OR0022721
- Aurora, City of OR0043991
- Baker City, City of OR0020699 · major
- Bandon, City of OR0020206
- Bay City, City of OR0022578
- Biggs Service District OR0041246
- Black Butte Ranch Corporation OR0034037
- Brandy Bar Landing,Inc. OR0030864
- Brookings, City of OR0020354 · major
- Brownsville, City of OR0020079
- Butte Falls, Town of OR0029891
- Canby, City of OR0020214 · major
- Cannon Beach, City of OR0020222
- Canyonville, City of OR0020729
- Carlton, City of OR0020541
- Cascade Locks, City of OR0041271
- Cave Junction, City of OR0028339
- Century Meadows Sanitary System, Inc. OR0028037
- Chiloquin, City of OR0020320
- Clatskanie, City of OR0020231
- Clean Water Services OR0020168 · major
- Clean Water Services OR0023345 · major
- Clean Water Services OR0028118 · major
- Clean Water Services OR0029777 · major
- Cloverdale Sanitary District OR0027294
- Coburg, City of OR0044628
- Confed Tribes of Warm Springs OR0032638
- Confederated Tribes of Warm Springs OR0034100
- Coos Bay, City of OR0023574 · major
- Coos Bay, City of OR0023582 · major
- Coquille, City of OR0026247
- Corvallis, City of OR0026361 · major
- Cottage Grove, City of OR0020559 · major
- Creswell, City of OR0027545
- Central Coast Clean Water Company OR0026352
- City of St. Helens OR0020834 · major
- Dallas, City of OR0020737 · major
- Dayton, City of OR0023639
- Dayville, City of OR0041505
- Depoe Bay, City of OR0026107
- Drain, City of OR0029645
- Dundee, City of OR0023388
- Elgin, City of OR0022438
- Enterprise, City of OR0020567
- Estacada, City of OR0020575
- Falls City, City of OR0032701
- Fishhawk Lake Reserve and Community OR0027634
- Florence, City of OR0020745
- Forest Park MHP, LLC OR0031267
- Garibaldi, City of OR0020362
- Gervais, City of OR0027391
- Glendale, City of OR0022730
- Gold Beach, City of OR0020303
- Government Camp Sanitary District OR0027791
- Grand Ronde Sanitary District OR0031453
- Grants Pass, City of OR0028843 · major
- Gresham, City of OR0026131 · major
- Halsey, City of OR0022390
- Harrisburg, City of OR0033260
- Hebo Joint Water & Sanitary Authority OR0031461
- Heppner, City of OR0020770
- Hermiston, City of OR0020761 · major
- Hood River, City of OR0020788 · major
- Hubbard, City of OR0020591
- Huntington, City of OR0020052
- Independence, City of OR0020443
- Jefferson, City of OR0020451
- Joseph, City of OR0020605
- Junction City, City of OR0026565
- Klamath Falls, City of OR0026301 · major
- La Grande, City of OR0020460 · major
- Lafayette, City of OR0022551
- Lakeside, City of OR0029998
- Lakeview, Town of OR0041386
- Lakewood Homeowners, Inc. OR0027570
- Lebanon, City of OR0020818 · major
- Lincoln City, City of OR0020478 · major
- Long Creek, City of OR0034070
- Lowell, City of OR0020044
- Marion County and Brooks Community Sewer District OR0033049
- Maupin, City of OR0022608
- Mcminnville, City of OR0034002 · major
- Medford, City of OR0026263 · major
- Metropolitan Wastewater Management Commission OR0031224 · major
- Molalla, City of OR0022381
- Monmouth, City of OR0020613
- Monroe, City of OR0029203
- Mosier, City of OR0028045
- MT. Angel, City of OR0028762
- MT. Vernon, City of OR0030694
- Myrtle Creek, City of OR0028665
- Myrtle Point, City of OR0020435
- Mapleton Water District OR0032468
- Nehalem Bay Wastewater Agency OR0023370
- Netarts-Oceanside Sanitary District OR0029882
- Newberg, City of OR0032352 · major
- Newport, City of OR0044571 · major
- North Bend, City of OR0023361 · major
- North Powder, City of OR0022403
- Oak Lodge Water Services District OR0026140 · major
- Oakland, City of OR0020494
- Oakridge, City of OR0022314
- Odell Sanitary District OR0022471
- Ontario, City of OR0020621 · major
- Pacific City Joint Water-Sanitary Authority OR0030066
- Parkdale Sanitary District OR0026018
- Pendleton, City of OR0026395 · major
- Philomath, City of OR0032441
- Port of Tillamook Bay OR0022918
- Port Orford, City of OR0020516
- Portland, City of OR0026891 · major
- Portland, City of OR0026905 · major
- Powers, City of OR0026930
- Prineville, City of OR0023612 · major
- Rainbow Rock Service Association, Inc. OR0030945
- Rainier, City of OR0020389
- Reedsport, City of OR0020826
- Rice Hill Owners Association, Inc., the OR0028789
- Riddle, City of OR0020630
- Rockaway Beach, City of OR0023302
- Rogue River, City of OR0023043
- Rogue Valley Sewer Services OR0022594
- Roseburg Urban Sanitary Authority OR0031356 · major
- Rogue Valley Sewer Services OR0030660
- Salem, City of OR0026409 · major
- Salishan Sanitary District OR0027201
- Sandy, City of OR0026573
- Scappoose, City of OR0022420
- Scio, City of OR0029301
- Seaside, City of OR0020401 · major
- Sheridan, City of OR0020648
- Siletz, City of OR0020419
- Silverton, City of OR0020656 · major
- South Suburban Sanitary District OR0023876 · major
- Stanfield, City of OR0026972
- Stayton, City of OR0020427 · major
- Sutherlin, City of OR0020842
- Sweet Home, City of OR0020346 · major
- Tangent, City of OR0031917
- The Dalles, City of OR0020885 · major
- Three Rivers School District OR0030210
- Three Rivers/Josephine County Unit Joint School District OR0028355
- Tillamook, City of OR0020664 · major
- Toledo, City of OR0020869
- Troutdale, City of OR0020524 · major
- Twin Rocks Sanitary District OR0023493
- Umatilla, City of OR0022306
- Umatilla, City of OR0044709
- Union, City of OR0029939
- US Army Corps of Engineers, Bonneville Lock and Dam OR0022624
- Usda/US Forest Service - Columbia River Gorge Nat'l Scenic Area OR0040410
- Veneta, City of OR0020532
- Vernonia, City of OR0022560
- Waldport, City of OR0034053
- Wallowa, City of OR0020028
- Warrenton, City of OR0020877
- Westfir, City of OR0028282
- Westport Sewer Service District OR0031496
- Willamina, City of OR0022713
- Wilsonville, City of OR0022764 · major
- Winchester Bay Sanitary District OR0022616
- Winston Green Regional Treatment Facility OR0030392
- Woodburn, City of OR0020001 · major
- Water Environment Services OR0026221 · major
- Water Environment Services OR0031259 · major
- Water Environment Services OR0031399
- Water Environmental Services OR0031020
- Yachats, City of OR0020290
- Yamhill, City of OR0022802
- Yoncalla, City of OR0022454
Industrial and other (120)
- Allweather Wood, LLC OR0042391 · Wood Preserving
- Arclin Surfaces, Inc. OR0000892 · Paper Coated And Laminated
- Arclin U.S.A. LLC OR0021857 · Plastics Materials And Resins
- Arkema, Inc OR0001597 · Alkalies And Chlorine
- Arkema, Inc OR0044695 · Alkalies And Chlorine
- Asc Sunstone Circuits LLC OR0031127 · Printed Circuit Boards
- Ash Grove Cement Company OR0001601 · Lime
- ATI Specialty Alloys & Components, LLC OR0001112 · major · Primary Nonferrous Metals
- Arauco North America, Inc OR0000426 · Reconstituted Wood Products
- Blount, Inc. OR0032298 · Saw Blades And Handsaws
- Boeing Company, the OR0031828 · Aircraft Parts And Equipment
- Boise Cascade Wood Products, L.L.C. OR0000850 · Softwood Veneer And Plywood
- BW Pier Point Inn, LLC OR0028568 · Hotels And Motels
- Bakelite Chemicals LLC OR0002101 · Plastics Materials And Resins
- Bakelite Chemicals LLC OR0032107 · Plastics Materials And Resins
- California Shellfish Company, Inc. OR0000868 · Fresh Or Frozen Prepared Fish
- Carollo Engineers, Inc. OR0044733 · Commercial Physical Research
- Cascade Pacific Pulp, LLC OR0001074 · major · Pulp Mills
- Cascade Steel Rolling Mills, Inc. OR0027260 · Blast Furnaces And Steel Mills
- Cascade Wood Products, Inc. OR0032786 · Millwork
- Clatsop County Fisheries OR0040631 · Fish Hatcheries And Preserves
- Columbia Helicopters, Inc. OR0033391 · Air Transportation, Nonscheduled
- Columbia Plywood Corporation OR0002585 · Softwood Veneer And Plywood
- Conrad Wood Preserving Co. OR0038571 · Wood Preserving
- Corvallis MHC LLC OR0026956 · Mobile Home Site Operators
- City of Eugene OR0044725 · General Government
- Columbia River Nitrogen LLC OR0001635 · major · Nitrogenous Fertilizers
- Confederated Tribes of the Umatilla Indian Reservation OR0044717 · Fish Hatcheries And Preserves
- Diamond Hill L.L.C. OR0021954 · Trailer Parks And Campsites
- Duckwall-Pooley Fruit Co. OR0026867 · Fresh Fruits And Vegetables
- Duckwall-Pooley Fruit Co. OR0035912 · Refrigerated Warehousing And Storage
- Environmental Business Solutions OR0044679 · Repair Services
- Eugene Water & Electric Board OR0000680 · Electric Services
- Frank Lumber Co., Inc. OR0000124 · Sawmills And Planing Mills, General
- Fujimi Corporation OR0040339 · Abrasive Products
- Georgia-Pacific Consumer Operations LLC OR0033405 · major · Paper Mills
- Georgia-Pacific Consumer Operations, LLC OR0000795 · major · Pulp Mills
- Georgia-Pacific Toledo LLC OR0001341 · major · Pulp Mills
- Gilchrist Forest Products LLC OR0022888 · Sawmills And Planing Mills, General
- Glide-Idleyld Sanitary District OR0030261 · Amusement And Recreation
- Gma Garnet (USA) Corp OR0033812 · Ferroalloy Ores, Except Vanadium
- Graphic Packaging International, LLC OR0000400 · Paper Coated & Laminated, Packaging
- Green Diamond Performance Materials, Inc. OR0001627 · Ferroalloy Ores, Except Vanadium
- Hatfield Marine Science Center, Oregon State University OR0043281 · Noncommercial Research Organizations
- Hollingsworth & Vose Fiber Company OR0000299 · Wood Products
- Hoover Treated Wood Products, Inc. OR0034380 · Chemical Preparations
- Hull-Oakes Lumber Co. OR0038032 · Sawmills And Planing Mills, General
- Hydro Extrusion USA, LLC OR0001708 · major · Primary Aluminum
- Idaho Power Company OR0027278 · Electric Services
- Idaho Power Company OR0027286 · Electric Services
- Industrial Harbor USA, LLC OR0000221 · Pulp Mills
- International Paper Company OR0000515 · major · Pulp Mills
- J.H. Baxter & Co., Inc. OR0021911 · Wood Preserving
- J.R. Simplot Company OR0002402 · major · Frozen Fruits And Vegetables
- Jasper Wood Products, LLC OR0042994 · Wood Preserving
- Jeld-Wen, Inc. OR0031011 · Millwork
- JLR, LLC OR0001015 · Meats And Meat Products
- Jordan Cove Energy Project, L.P. OR0002119 · Pulp Mills
- Kingsford Manufacturing Company OR0031330 · Wood Products
- Lane Community College OR0026875 · Colleges And Universities
- Laurel Ridge Mobile Home Park, Inc OR0031143 · Trailer Parks And Campsites
- Meadows Utilities LLC OR0022829 · Amusement And Recreation
- Murphy Company OR0021741 · Sawmills And Planing Mills, General
- Neskowin Regional Sanitary Authority OR0026964 · Hotels And Motels
- Newberg Or, LLC OR0000558 · major · Paper Mills
- Northwest Natural OR0044687 · Gas Transmission And Distribution
- Oregon Cherry Growers, Inc. OR0000116 · Pickles, Sauces, And Salad Dressings
- Oregon Cherry Growers, Inc. OR0000736 · Canned Fruits And Vegetables
- Oregon Department of Corrections OR0043770 · Correctional Institutions
- Oregon Department of Fish & Wildlife OR0027642 · Fish Hatcheries And Preserves
- Oregon Department of Fish & Wildlife OR0027847 · Fish Hatcheries And Preserves
- Oregon Department of Fish & Wildlife OR0029769 · Fish Hatcheries And Preserves
- Oregon Department of Fish & Wildlife OR0034266 · Fish Hatcheries And Preserves
- Oregon Health Sciences University OR0034371 · Noncommercial Research Organizations
- Oregon Metallurgical, LLC OR0001716 · major · Primary Nonferrous Metals
- Oregon System of Higher Education OR0032573 · Colleges And Universities
- Oregon Steel Mills LLC OR0000451 · Blast Furnaces And Steel Mills
- Pacific Bio Products - Warrenton, LLC OR0000612 · Prepared Feeds
- Pacific Surimi - Newport, LLC OR0038687 · Animal And Marine Fats And Oils
- Permapost Products Co. OR0039594 · Wood Preserving
- PNW Veg Co LLC OR0021261 · Frozen Fruits And Vegetables
- Port of Portland & Co-Applicants OR0040291 · Airports, Flying Fields, & Services
- Port of ST. Helens OR0034231 · major · Electric Services
- Port Orford-Langlois School District 2CJ OR0028711 · Elementary And Secondary Schools
- Portland General Electric Company OR0027430 · Electric Services
- Precision Drying Services Inc. OR0035637 · Wood Preserving
- Pacific Seafood - Warrenton, LLC OR0055002 · Fresh Or Frozen Prepared Fish
- Recology Valley View Inc. OR0035441 · Refuse Systems
- Regency of Oregon, Inc. OR0026280 · Mobile Home Site Operators
- Reynolds Metals Company, LLC OR0000060 · Primary Aluminum
- Rice Hill Lagoon East, LLC OR0029564 · Hotels And Motels
- Riviera Mobile Park Cooperative OR0030546 · Mobile Home Site Operators
- Royal Pacific Industries, Inc. OR0037834 · Wood Preserving
- RSG Forest Products, Inc. OR0034517 · Sawmills And Planing Mills, General
- Sanders Wood Products, Inc. OR0021300 · Sawmills And Planing Mills, General
- Seneca Sawmill Company OR0022985 · Sawmills And Planing Mills, General
- SFPP, L.P. OR0044661 · Refined Petroleum Pipelines
- Siltronic Corporation OR0030589 · major · Semiconductors And Related Devices
- Starlink Logistics Inc. OR0001741 · Agricultural Chemicals
- Stella-Jones Corporation OR0029726 · Wood Preserving
- Stella-Jones Corporation OR0031003 · Wood Preserving
- Stimson Lumber Company OR0001295 · Sawmills And Planing Mills, General
- Sundown Sanitary Sewer District OR0027219 · Dwelling Operators, Except Apartments
- Swiss Krono, OR LLC OR0002542 · Wood Products
- Tillamook County Creamery Association OR0000141 · major · Cheese, Natural And Processed
- Toyo Tanso USA, Inc. OR0034916 · Carbon And Graphite Products
- Tri-City Service District OR0000566 · major · Pulp Mills
- U.S. Army Corps of Engineers- John Day Dam Project OR0055001 · Electric Services
- U.S. Army Corps of Engineers-McNary Lock and Dam OR0055000 · Electric Services
- U.S. Department of Interior OR0054917 · Animal Aquaculture
- Univar Solutions USA LLC OR0034606 · Chemicals & Allied Products
- US Forest Service OR0023167 · Job Training And Related Services
- Usda; Forest Service OR0023213 · Job Training And Related Services
- Usda; Forest Service OR0023221 · Land, Mineral, Wildlife Conservation
- Usdod; US Army Corps of Engineers Bonneville Dam OR0034355 · Electric Services
- Usdoi; Fish & Wildlife Service OR0000710 · Fish Hatcheries And Preserves
- Valley Landfills, Inc. OR0043630 · Refuse Systems
- Vigor Industrial LLC OR0022942 · Ship Building And Repairing
- Willamette Leadership Academy OR0027235 · Elementary And Secondary Schools
- Willamette Falls Paper Company, Inc OR0000787 · major · Pulp Mills
Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=OR · MCP: https://passage-data.com/mcp · All states