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  2. National Pollutant Discharge Elimination System (NPDES)

Contact Us: Combined Sewer Overflows (CSOs)

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

EPA Headquarters Contacts

Kathryn Kazior (kazior.kathryn@epa.gov) (202) 564-2696
Mohammed Billah (billah.mohammed@epa.gov) (202) 564-2228
CSO Enforcement:
Chrisna Baptista (baptista.chrisna@epa.gov) (202) 564-4272


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)
Meridith Finegan (finegan.meridith@epa.gov) (617) 918-1533

Region 2: New York City (serving NJ, NY, Puerto Rico, and the U.S. Virgin Islands)
Sieglinde Pylypchuk (pylypchuk.sieglinde@epa.gov) (212) 637-4133

Region 3: Philadelphia (serving DE, DC, MD, PA, VA, and WV)
Dana Hales (hales.dana@epa.gov) (215) 814-2928 

Region 4: Atlanta (serving AL, FL, GA, KY, MS, NC, SC, and TN)
Susanna Bains (bains.susanna@epa.gov) (404) 562-9747

Region 5: Chicago (serving IL, IN, MI, MN, OH, and WI)
Krista McKim (mckim.krista@epa.gov) (312) 353-8270 

Region 6: Dallas (serving AR, LA, NM, OK, and TX)
No CSOs in Region

Region 7: Kansas City (serving IA, KS, MO, and NE)
Mike Hickman (hickman.mike@epa.gov) (913) 551-7152

Region 8: Denver (serving CO, MT, ND, SD, UT, and WY)
Stephanie DeJong (dejong.stephanie@epa.gov) (303) 312-6362

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)
Becky Mitschele (mitschele.becky@epa.gov) (415) 972-3492

Region 10: Seattle (serving AK, ID, OR, and WA)
Abby Conner (conner.abigail@epa.gov) (206) 553-6358 


State Agency Contacts

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

Connecticut

Connecticut Department of Environmental Protection
Ivonne Hall (hall.ivonne@ct.gov) (860) 424-3754

Delaware

Delaware Department of Natural Resources & Environmental Control / Division of Water Resources / Pollution Control Branch
John Rebar (john.rebar@state.de.us) 

District of Columbia

US EPA, Region 3 (Permitting Authority for DC)
Carissa Moncavage (moncavage.carissa@epa.gov) (215) 814-5798

Georgia

Georgia Environmental Protection Division / Water Protection Branch
Whitney Fenwick (whitney.fenwick@dnr.ga.gov) (470) 607-3078

Illinois

Illinois Environmental Protection Agency / Bureau of Water / Division of Water Pollution Control / Permits Section
Darin LeCrone (darin.lecrone@illinois.gov) (217) 782-0610
Brant Feming (brant.fleming@illinois.gov) (217) 782-0610

Indiana

Indiana Department of Environmental Management / Office of Water Quality / Municipal NPDES Permits Section
Jerry Dittmer (jdittmer@idem.in.gov) (317) 233-0469

Iowa

Iowa Department of Natural Resources
Ben Hucka (ben.hucka@dnr.iowa.gov) (515) 537-3015

Kansas

Kansas Department of Health & Environment / Bureau of Water
Deborah Mendenhall (deborah.mendenhall@ks.gov) (785) 296-5561  
Shelly Shores-Miller (Shelly.Shores-Miller@ks.gov) (785) 296-2856

Kentucky

Kentucky Department for Environmental Protection / Division of Water
Mark Absher (mark.absher@ky.gov) (502) 782-5877

Maine

Maine Department of Environmental Protection / Division of Water Quality Management
Michael Riley (riley.s.michael@maine.gov) (207) 287-7766  

Maryland

Maryland Department of the Environment / Water Management Administration / Compliance Program / Enforcement Division
Yen-Der Cheng (yen-der.cheng@maryland.gov) (410) 537-3363

Massachusetts

US EPA Region 1 in New England (Permitting Authority for Massachusetts)
Meridith Finegan (finegan.meridith@epa.gov) (617) 918-1533

Michigan

Michigan Department of Natural Resources and the Environment
Dan Beauchamp (beauchampd@michigan.gov) (586) 208-5107 

Missouri

Missouri Department of Natural Resources
Susan Mills (susan.mills@dnr.mo.gov)

Nebraska

Nebraska Department of Environmental Quality

New Hampshire

US EPA Region 1 in New England (Permitting Authority in New Hampshire)
Meridith Finegan (finegan.meridith@epa.gov) (617) 918-1533

New Jersey 

New Jersey Department of Environmental Protection / Municipal Finance and Construction Element
Joe Mannick (joe.mannick@dep.nj.gov) (609) 292-4860  

New York 

New York Department of Environmental Conservation / Bureau of Water Compliance, Division of Water
Ryan Waldron (ryan.waldron@dec.ny.gov) (518) 402-8244

Ohio

Ohio Environmental Protection Agency
David Brumbaugh (david.brumbaugh@epa.ohio.gov) (614) 644-2138

Pennsylvania

Pennsylvania Department of Environmental Protection
Central Office
Maria Schumack (maschumack@pa.gov) (717) 705-0486

Puerto Rico

US EPA Region 2 / Division of Environmental Planning and Protection / Clean Water Regulatory Branch / NPDES Section (Permitting Authority for Puerto Rico)
Carlos Villafane (villafane.carlos@epa.gov) (787) 977-5858

Rhode Island

State of Rhode Island Department of Environmental Management / Office of Water Resources
Heidi Travers (heidi.travers@dem.ri.gov) (401) 222-4700

South Dakota 

South Dakota Department of Environment & Natural Resources / Surface Water Quality Program
Roderick McRae (roderick.mcrae@state.sd.us) (605) 773-3351

Vermont

Vermont Department of Environmental Conservation / Watershed Management Division / Wastewater Management Program
Amy Polaczyk (amy.polaczyk@vermont.gov) (802) 490-6185

Virginia

Virginia Department of Environmental Quality / Office of Water Permits and Compliance Assistance
Allan Brockenbrough (allan.brockenbrough@deq.virginia.gov) (804) 698-4147

Washington

Washington Department of Ecology / Water Quality Program
Josh Klimek (JOKL461@ECY.WA.GOV) (360) 870-6014

West Virginia 

West Virginia Department of Environmental Protection / Division of Water and Wastewater Management / Permitting Section
Matthew Sweeney (matthew.l.sweeney@wv.gov) (304) 926-0499 x43882

West Virginia Department of Environmental Protection / Division of Water and Wastewater Management / Clean Water State Revolving Fund
Jesse Rupe (jesse.rupe@wv.gov) (304) 926-0499 x43784

Wisconsin

Wisconsin Department of Natural Resources / Bureau of Watershed Management - WT/3
Jacob Wedesky (jacob.wedesky@wisconsin.gov)
Eric DeVenecia (eric.devenecia@wisconsin.gov) (715) 685-4155
 

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 to ask a question, provide feedback, or report a problem.
Last updated on February 14, 2025
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