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  1. Home
  2. National Pollutant Discharge Elimination System (NPDES)

Contact Us: Pesticide Permitting

  • EPA Headquarters Contact
  • EPA Regional Contacts
  • State Agency Contacts

EPA Headquarters Contact

Please send an email to the PGP email box (PGP@epa.gov).


EPA Regional Contacts

  • Region 1
  • Region 2
  • Region 3
  • Region 4
  • Region 5
  • Region 6
  • Region 7
  • Region 8
  • Region 9
  • Region 10

Region 1: Boston (serving CT, ME, MA, NH, RI, and VT)
George Papadopoulos (papadopoulos.george@epa.gov) (617) 918-1579

Region 2: Puerto Rico (serving Puerto Rico)
Sergio Bosques (bosques.sergio@epa.gov) (787) 977-5838

Region 2: New York City (serving NJ, NY, and the U.S. Virgin Islands)
Joshua Kogan (kogan.joshua@epa.gov) (212) 637-3733

Region 3: Philadelphia (serving DE, DC, MD, PA, VA, and WV)
Carissa Moncavage (moncavage.carissa@epa.gov) (215) 814-5798

Region 4: Atlanta (serving AL, FL, GA, KY, MS, NC, SC, and TN)
Sam Sampath (sampath.sam@epa.gov) (404) 562-9229

Region 5: Chicago (serving IL, IN, MI, MN, OH, and WI)
Wilonda Quinn (quinn.wilonda@epa.gov) (312) 886-0956

Region 6: Dallas (serving AR, LA, NM, OK, and TX)
William F. Cooper (cooper.williamf@epa.gov) (214) 665-6443

Region 7: Kansas City (serving IA, KS, MO, and NE)
Mark Matthews (matthews.mark@epa.gov) (913) 551-7635

Region 8: Denver (serving CO, MT, ND, SD, UT, and WY)
Kenley Stone (stone.kenley@epa.gov) (406) 457-5035

Region 9: San Francisco (serving AZ, CA, HI, NV, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau)
Prasad Gullapalli (gullapalli.prasad@epa.gov) (415) 972-3406

Region 10: Seattle (serving AK, ID, OR, and WA)
Bilin Basu (basu.bilin@epa.gov), 206-553-0029


State Agency Contacts

A    C    D    F    G    H    I    K    L    M    N    O    P    R    S    T    U    V    W

Alaska

Alaska Department of Environmental Conservation, Division of Water 

Alabama

Alabama Department of Environmental Management, Water Division 

Arizona

Arizona Department of Environmental Quality, Water Quality Division 

Arkansas

Arkansas Department of Environmental Quality, Water Division 

California

California Environmental Protection Agency, State Water Resources Control Board

Colorado

Colorado Department of Public Health and Environment 

Connecticut

State of Connecticut, Department of Energy and Environmental Protection 

Delaware

State of Delaware, Division of Water 

District of Columbia

EPA is the NPDES permitting authority.

Florida

Florida Department of Environmental Protection 

Georgia

Georgia Environmental Protection Division

Hawaii

State of Hawaii, Department of Health, Clean Water Branch 

Idaho

Idaho Department of Environmental Quality, Wastewater

Illinois

Illinois Environmental Protection Agency

Indiana

Indiana Department of Environmental Management

Iowa

Iowa Department of Natural Resources

Kansas

Kansas Department of Health and Environment 

Kentucky

Kentucky Energy and Environment Cabinet

Louisiana

Louisiana Department of Environmental Quality

Maine

Maine Department of Environmental Protection

Maryland

Maryland Department of the Environment 

Massachusetts

EPA is the NPDES permitting authority.

Michigan

Department of Environment, Great Lakes, and Energy

Minnesota

Minnesota Pollution Control Agency 

Mississippi

Mississippi Department of Environmental Quality 

Missouri

Missouri Department of Natural Resources

Montana

Montana Department of Environmental Quality 

Nebraska

Nebraska Department of Water, Energy, and Environment

Nevada

State of Nevada Division of Environmental Protection, Bureau of Water Pollution Control 

New Hampshire

EPA is the NPDES permitting authority.

New Jersey

New Jersey Department of Environmental Protection, Division of Water Quality

New Mexico

EPA is the NPDES permitting authority.

New York

New York State Department of Environmental Conservation

North Carolina

North Carolina Forest Service 

North Dakota

North Dakota Department of Environmental Quality

Ohio

Ohio Environmental Protection Agency 

Oklahoma

Oklahoma Department of Agriculture, Food, and Forestry 

Oregon

Oregon Department of Environmental Quality

Pennsylvania

Pennsylvania Department of Environmental Protection 

Puerto Rico

EPA is the NPDES permitting authority.

Rhode Island

Rhode Island Department of Environmental Management 

South Carolina

South Carolina Department of Environmental Services

South Dakota

South Dakota Department of Agriculture and Natural Resources 

Tennessee

Tennessee Department of Environment and Conservation 

Texas

Texas Commission on Environmental Quality 

Utah

Utah Department of Environmental Quality 

U.S. Virgin Islands

USVI Department of Planning and Natural Resources

Vermont

Vermont Department of Environmental Conservation 

Virginia

Virginia Department of Environmental Quality 

Washington

Washington Department of Ecology 

West Virginia

West Virginia Department of Environmental Protection 

Wisconsin

Wisconsin Department of Natural Resources 

Wyoming

Wyoming Department of Environmental Quality

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
    • Permit Basics
    • State Program Information
    • Permit Limits
    • Program Management and Oversight
    • NPDES Regulations
    • Other Federal Laws that Apply to the NPDES Permit Program
  • All NPDES Program Areas
    • Animal Feeding Operations
    • Aquaculture
    • Forest Roads
    • Industrial Wastewater
    • Municipal Wastewater
      • Combined Sewer Overflows (CSOs)
      • Sanitary Sewer Overflows (SSOs)
      • Peak Flows
      • Integrated Planning
    • National Pretreatment Program
      • Standards and Requirements
      • Roles and Responsibilities
      • Events, Training and Webinars, and Publications
    • Pesticide Permitting
    • Stormwater
      • Construction Activities
      • Industrial Activities
      • Municipal Sources
      • Transportation Sources
      • Oil and Gas Permitting
      • Stormwater Planning
      • EPA's Residual Designation Authority
      • Rules and Notices
    • Water Quality Trading
  • NPDES Technical Resources
    • Resources for Permit Writers
    • NPDES Permit Writers' Manual
    • NPDES Training
    • Tools
    • Electronic Notice of Intent (eNOI)
    • NPDES Applications and Forms
Contact Us About NPDES
Contact Us About NPDES to ask a question, provide feedback, or report a problem.
Last updated on October 22, 2026
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