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Discharge permits in Massachusetts
112 active individual NPDES permits with limits in EPA's file of Oct 22, 2026.
By industry
Sewage treatment plants (39)
Industrial and other (73)
- Alden Research Laboratory Inc MA0028801 · Noncommercial Research Organizations
- Australis Aquaculture, LLC MA0110264 · Fish Hatcheries And Preserves
- AlIED WASTE SERVICES OF MA, LLC MA0030066 · Local Trucking, Without Storage
- Aquaria Water LLC /Inima USA Corp. MA0040193 · Water Supply
- Barnhardt Manufacturing Co MA0003697 · major · Finishing Plants
- Benevento Sand & Stone Corp. MA0040436 · Crushed And Broken Limestone
- Bird, Inc. Dba - Certain Teed MA0003531 · Asphalt Felts And Coatings
- BOSTON and MAIN CORP MA0000272 · Railroads, Line-Haul Operating
- Brox Industries MA0040177 · Crushed And Broken Stone
- Boston Ship Repair MA0040142 · Ship Building And Repairing
- Chang Farms MA0040207 · Food Crops Grown Under Cover
- Chelsea Eastern Ave Terminal MA0001091 · major · Petroleum Bulk Stations & Terminals
- Chelsea Sandwich, LLC MA0003280 · major · Petroleum Products
- Citgo Petroleum Corp,Braintree MA0004782 · Petroleum Bulk Stations & Terminals
- Clean Harbors of Braintree,Inc MA0031551 · major · Special Warehousing And Storage
- Comm of Ma, Dept of Conservation and Rec MA0003590 · Local And Suburban Transit
- Crane & Co Inc W W T P MA0000671 · major · Paper Mills
- Distrigas of Mass LLC MA0020010 · Natural Gas Transmission
- Delaware North Corporation MA0028941 · Local And Suburban Transit
- Entegris, Inc MA0040339 · Plastics Products
- General Electric Aviation MA0003905 · major · Aircraft Engines And Engine Parts
- Genon Holdco 10, LLC MA0004928 · major · Electric Services
- Gillette Company MA0003832 · Cutlery
- Governor Dummer Academy MA0030350 · Elementary And Secondary Schools
- Granite State Concrete Co Inc MA0020231 · Dimension Stone
- Groton School MA0033324 · Elementary And Secondary Schools
- Hollingsworth & Vose Co MA0004561 · major · Paper Mills
- Hollingsworth & Vose Company MA0044996 · Paper Mills
- Holtec Pilgrim, LLC MA0003557 · major · Electric Services
- Irving Oil Terminals, Inc. MA0001929 · major · Farm Supplies
- Jones Lang Lasalle Americas, Inc. MA0030244 · major · Nonresidential Building Operators
- John J. Carroll Water Treatment Plant MA0040398 · Water Supply
- Kendall Green Energy LLC MA0004898 · major · Electric Services
- L.S. Starrett Company MA0001350 · major · Machine Tool Accessories
- Massachusetts Maritime Academy MA0024368 · Colleges And Universities
- Massport - Logan Airport MA0032751 · Airports, Flying Fields, & Services
- Massport Authority - Logan MA0000787 · Airports, Flying Fields, & Services
- Mbta Quincy Pumping Station MA0033987 · Local Passenger Transportation
- Neptune Deepwater Port MA0040258 · Oil And Gas Field Machinery
- New England Aquarium Corp MA0003123 · Museums And Art Galleries
- New England Aquarium Off-Site Holding Fac. MA0040380 · Botanical And Zoological Gardens
- Northeast Gateway Energy Bridge LLC MA0040266 · Marine Cargo Handling
- Onyx Specialty Papers, Inc. MA0001716 · major · Paper Mills
- Onyx Specialty Papers, Inc. MA0001848 · major · Paper Mills
- P.J. Keating Company MA0029297 · Crushed And Broken Stone
- Patriot Beverages, LLC MA0004936 · major · Canned Fruits And Vegetables
- Pittsfield Economic Devel.Auth MA0040231 · Plastics Products
- Polar Beverages MA0044998 · Bottled And Canned Soft Drinks
- Potter Station Unit 2 MA0005517 · Electric Services
- Power Product Systems, LLC MA0026247 · Motor Vehicle Parts And Accessories
- Pilot Travel Centers,LLC MA0029858 · Nonresidential Building Operators
- QUABBIN WIRE and CABLE CO., INC. MA0030571 · Nonferrous Wiredrawing & Insulating
- Resco Resource Recovery Fac. MA0028193 · major · Refuse Systems
- Resilience Boston, Inc. MA0040291 · Pharmaceutical Preparations
- River Terrace Health Care MA0025763 · Skilled Nursing Care Facilities
- RODNEY FRENCH, INC. d/b/a RFK RODNEY FRENCH MA0003930 · major · Electronic Capacitors
- Seaman Paper Co of Mass Inc MA0000469 · major · Paper Mills
- Shire Human Genetic Therapies MA0040321 · Pharmaceutical Preparations
- Solutia, Inc. MA0001147 · Plastics Materials And Resins
- Specialty Minerals Inc MA0005991 · Lime
- Sprague Operating Resources LLC MA0020869 · Petroleum Products
- Sprague Twin Rivers Tech Term MA0028037 · Petroleum Bulk Stations & Terminals
- Sunoco Partners Marketing & Terminals, LP MA0004006 · major · Petroleum Bulk Stations & Terminals
- Sunrise Wind, LLC MA0004940 · Electric Services
- Swansea Water District MA0103390 · Water Supply
- Taunton Municipal Lighting MA0002241 · major · Electric Services
- Texas Instruments Inc. MA0001791 · major · Nonferrous Rolling And Drawing
- Town of Westminster D P W MAC010986
- Twin Rivers Technologies, L.P. MA0004073 · Soap And Other Detergents
- University of Massachusetts Boston MA0040304 · Colleges And Universities
- Weavers Cove Industrial Park, LLC MA0004871 · Petroleum Bulk Stations & Terminals
- Wyman-Gordon Company MA0004341 · major · Aircraft Parts And Equipment
- West Parish Filters Water Treatment Plant MA0040482 · Water Supply
Source: EPA ECHO, Oct 22, 2026. As JSON: /api/v1/permits?state=MA · MCP: https://passage-data.com/mcp · All states