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  1. Home
  2. CWA Section 401 Certification

Contact Us about CWA Section 401 Certification

 

Headquarters
Lauren Kasparek, Tara Mazurczyk, and Liana Prudencio
CWA401@epa.gov
202-566-0963

Region 1
Rachel Croy (Non-CWA 402 permits and licenses)
R1CWA401@epa.gov
617-918-1319

Lynne Jennings (CWA 402 permits)

Jennings.Lynne@epa.gov
617-918-1210

Region 2
Jaclyn Woollard (Non-CWA 402 permits and licenses)
Region2_CWA401@epa.gov
212-637-3832

Virginia Wong (CWA 402 permits)
Wong.Virginia@epa.gov
212-637-4241

Joshua Kogan (CWA 402 permits)

Kogan.Joshua@epa.gov
212-637-3733

Region 3
Christine Mazzarella (Non-CWA 402 permits and licenses)
R3-CWA401@epa.gov
215-814-5756

Carissa Moncavage (CWA 402 permits)
moncavage.carissa@epa.gov
215-814-3397

Region 4
Molly Martin (Non-CWA 402 permits and licenses)
401-R4notices@epa.gov
404-562-9405

Chris Thomas (CWA 402 permits)
Thomas.Chris@epa.gov
404-562-9459

Region 5
Melissa Blankenship (Non-CWA 402 permits and licenses)
R5wetlands@epa.gov
312-886-9641

John Colletti (CWA 402 permits)
Colletti.John@epa.gov
312-886-6106

Region 6
Brianna Wadley (Non-CWA 402 permits and licenses)
R6_CWA404_Regulatory@epa.gov
214-665-2723

Brent Larsen (CWA 402 permits)
Larsen.Brent@epa.gov
214-665-7523

Region 7
Jennifer Ousley (Non-CWA 402 permits and licenses)
r7cwa401@epa.gov
913-551-7498

Alex Owutaka (CWA 402 permits)

Owutaka.alex@epa.gov
913-551-7584

Region 8
Tanya Code, Estella Moore, and Jeffrey Ullman (Non-CWA 402 permits and licenses)
R8CWA401@epa.gov
303-312-6110, 303-312-6357, 303-312-6329

Mike Boeglin (CWA 402 permits)

boeglin.michael@epa.gov
303-312-6250

Stephanie DeJong (CWA 402 permits)

dejong.stephanie@epa.gov
303-312-6362

Region 9
Russ Huddleston (All Licenses and Permits)
R9CWA401@epa.gov
415-972-3507

Region 10
Jeffrey Brittain (Non-CWA 402 permits and licenses)
R10-401-Certs@epa.gov
206-553-0532

Sally Goodman (CWA 402 permits)

goodman.sally@epa.gov
206-553-0782

Please use the form below to send us comments or questions. Be sure to include your e-mail address if you’d like a response.

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U.S. EPA
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Mail code: 4504T
Washington, DC 20460

CWA Section 401 Certification

  • Section 401 Certification Home
    • Basic Information on Section 401 Certification
    • Read Section 401
  • Final 2023 Clean Water Act Section 401 Water Quality Certification Improvement Rule
    • Treatment in a Similar Manner as a State (TAS) for Clean Water Act Section 401
    • Treatment in a Similar Manner as a State (TAS) for Clean Water Act Section 401(a)(2)
  • Outreach and Engagement on CWA Section 401 Certification
  • Resources when EPA acts as the Certifying Authority
  • Contact Us
Contact Us about CWA Section 401 Certification to ask a question, provide feedback, or report a problem.
Last updated on November 20, 2024
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