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United States Environmental Protection Agency
National Pollutant Discharge Elimination System (NPDES)
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NPDES Information
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Program Areas
- Animal Feeding Operations
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- Combined Sewer Overflows
- Pesticide Applications
- Pretreatment
- Sanitary Sewer Overflows and Peak Flows
- Stormwater
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NPDES Topics Alphabetical Index Glossary About NPDES

U.S. State Information

Click on your state below to get contacts, links, and NPDES permit program authorization status for your state. Click on your EPA region number below to get EPA regional contacts, regional and state links, and authorization status information for all states in your region. Below this map are text links to obtain the same state and regional information.

Washington Oregon Montana Wyoming North Dakota Idaho South Dakota Iowa Nebraska Minnesota California Nevada Utah Colorado Arizona New Mexico Oklahoma Arkansas Louisiana Kansas Missouri Mississippi Alabama Georgia Florida South Carolina Maine Vermont New Hampshire Massachusetts Rhode Island Connecticut New Jersey Delaware Maryland Washington D.C. North Carolina Tennessee Texas Kentucky Wisconsin Illinois Michigan Indiana Ohio West Virginia Virginia Pennsylvania New York Alaska Hawaii Guam American Samoa Trust Territories Puerto Rico Virgin Islands Mariana Islands Region 1 Region 2 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7 Region 8 Region 9 Region 9 Region 10 Region 10


EPA Regions and States
Region 1 Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont  
Region 2 New Jersey, New York, Puerto Rico, Virgin Islands  
Region 3 Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, West Virginia  
Region 4 Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee  
Region 5 Illinois, Indiana, Michigan, Minnesota, Ohio, Wisconsin  
Region 6 Arkansas, Louisiana, New Mexico, Oklahoma, Texas  
Region 7 Iowa, Kansas, Missouri, Nebraska  
Region 8 Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming  
Region 9 American Samoa, Arizona, California, Guam, Hawaii, Johnston Atoll, Midway Islands, Nevada, Northern Mariana Islands, Wake Island  
Region 10 Alaska, Idaho, Oregon, Washington  
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Last updated on May 30, 2012 3:05 PM