Contact Us About Impaired Waters and TMDLs

Mailing Address

U.S. EPA
Watershed Branch
Office of Wetlands, Oceans and Watersheds
Mail Code 4503T
1200 Pennsylvania Ave. NW
Washington, DC 20460

For general questions or comments about impaired waters and TMDLs, please use the form below. Be sure to include your e-mail address if you’d like a response.

For questions about a particular waterbody in your area, use the map below to find the impaired waters and TMDL contacts for your EPA Regional Office:

Map of the US, split into EPA regionsRegion 1: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont Region 2: New Jersey, New York, Puerto Rico, US 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 Dakaota, Utah, Wyoming Region 9: Arizona, California, Hawaii, Nevada, Pacific Islands Region 10: Alaska, Idaho, Oregon, Washington

Region 1 TMDL Contacts

Chief, Water Quality and Wetlands Protection Section (WQWPS)
Katie Lamoureux (lamoureux.katie@epa.gov)
(617) 918-1373

Regional TMDL Coordinator
Ivy Mlsna (mlsna.ivy@epa.gov)
(617) 918-1311

Nutrient Coordinator
Nathan Chien (chien.nathan@epa.gov)
(617) 918-1649

Connecticut TMDL Coordinator
Nathan Chien (chien.nathan@epa.gov)
(617) 918-1649

Maine TMDL Coordinator
Ivy Mlsna (mlsna.ivy@epa.gov)
(617) 918-1311

Massachusetts TMDL Coordinator
Ivy Mlsna (mlsna.ivy@epa.gov)
(617) 918-1311

New Hampshire TMDL Coordinator
Nathan Chien (chien.nathaniel@epa.gov)
(617) 918-1649

Rhode Island TMDL Coordinator
Nathan Chien (chien.nathan@epa.gov)
(617) 918-1649

Vermont TMDL Coordinator
Theresa Vander Woude (vanderwoude.theresa@epa.gov)
(617) 918-1043

Region 2 TMDL Contacts

NJ, PR, USVI 303(d)/305(b) List Lead
Makini Valentine (valentine.makini@epa.gov)
212-637-3824

New York 303(d)/305(b) List
St. Regis Mohawk Tribe 305(b) Lead
Ryan Van Manen (vanmanen.ryan@epa.gov)
212-637-3819

Regional TMDL Coordinator
NJ, NY TMDL Lead
Rosella O'Connor (oconnor.rosella@epa.gov)
212-637-3823

PR/VI TMDL Lead
Matt Bemis (bemis.matthew@epa.gov)
212-637-3793

Regional ATTAINS, Data Management Coordinator
Adam Fisher(fisher.adam@epa.gov)
212-637-3817

Region 3 TMDL Contacts

Standards and TMDLs Section Chief
Jessica Martinsen (martinsen.jessica@epa.gov)
(215) 814-5144

Regional TMDL Coordinator
Ashley Geiger (geiger.ashley@epa.gov)
(215) 814-2774

Regional Data Management and Listing Coordinator
Jillian Adair (adair.jillian@epa.gov)
(215) 814-5713

Regional Monitoring and Assessment Coordinator
Leah Ettema (ettema.leah@epa.gov)
(304) 234-0245

Delaware

EPA 303(d) List/TMDL Contact
Taylor Krolik (krolik.taylor@epa.gov)
(215) 814-2079

State 303(d) List/TMDL Contact
DE Dept. of Natural Resources and Environmental Control (DNREC)
Bradford Smith (bradford.smith@state.de.us)
DNREC Division of Water Resources
29 South State St.
Dover, DE 19901

District of Columbia

EPA 303(d) List/TMDL Contact
Raffy Marano (marano.raffaela@epa.gov)
(215) 814-2397

District 303(d) List/TMDL Contact
DC Dept. of Energy and Environment (DOEE)
Efeturi Oghenekaro (Efeturi.Oghenekaro@dc.gov), Branch Chief
Government of the District of Columbia
1200 First Street NE, 5th Floor
Washington, DC 20002​

Maryland

EPA 303(d) List/TMDL Contact
Hunter Pates (pates.hunter@epa.gov)
(215) 814-3385

State TMDL Contact
MD Dept. of the Environment (MDE)
Jeff White (jeff.white@maryland.gov)
Water and Science Administration, MDE
1800 Washington Blvd., Suite 540
Baltimore, MD 21230-1718

State 303(d) List Listing Contact
MD Dept. of the Environment (MDE)
Matthew Stover (matthew.stover@maryland.gov)
Water and Science Administration, MDE
1800 Washington Blvd., Suite 540
Baltimore, MD 21230-1718

Pennsylvania

EPA 303(d) List/TMDL Contact
Izzy Castiglioni (castiglioni.izzy@epa.gov)
(215) 814-2773

State 303(d) List Contact
PA. Dept. of Environmental Protection (PADEP)
Dustin Shull (dushull@pa.gov), Environmental Group Manager
Assessment Section
PADEP
400 Market St.
Harrisburg, PA 17105-8555

State TMDL Contact
PA. Dept. of Environmental Protection (PADEP)
Bill Brown (willbrown@state.pa.us)
PADEP Watershed Protection Division
400 Market St.
Harrisburg, PA 17105-8555

Virginia

EPA 303(d) List /TMDL Contact
Juan Vicenty-Gonzalez (VicentyGonzalez.Juan@epa.gov)
(215) 814-2952

State 303(d) List Contact
VA Dept. of Environmental Quality (VADEQ)
Sandra Mueller (sandra.mueller@deq.virginia.gov), Manager
VADEQ Water Monitoring and Assessment Program
P.O. Box 1105
Richmond, VA 23218

State TMDL Contact
VA Dept. of Environmental Quality (VADEQ)
Justin Williams (justin.williams@deq.virginia.gov), Director
Office of Watersheds and Local Government Assistance
P.O. Box 10009
629 E Main St.
Richmond, VA 23240

West Virginia

EPA 303(d) List /TMDL Contact
Leah Ettema (ettema.leah@epa.gov)
(304) 234-0245

State 303(d) List /TMDL Contact
WV Dept. of Environmental Protection (WVDEP)
Mindy Neil (mindy.s.neil@wv.gov), TMDL Program Manager
WVDEP Division of Water and Waste Management
601 57th St. SE
Charleston, WV 25304-2345

Region 4 TMDL Contacts

Alabama

EPA 303(d)/TMDL
Chauncey Orr (orr.chauncey@epa.gov)
(404) 562-9149

State 303(d)​
Chris Johnson (CLJohnson@adem.state.al.us)
AL Dept.of Environmental Management (ADEM)
1400 Coliseum Boulevard
Montgomery, AL 36110
(334) 271-7827

State TMDL
Kimberly Minton (kminton@adem.state.al.us)
AL Dept.of Environmental Management (ADEM)
1400 Coliseum Boulevard
Montgomery, AL 36110
(334) 271-7826

Florida

EPA TMDL
Laila Hudda (hudda.laila@epa.gov)
(404) 562-9007

EPA 303(d)
Joe Pohnan (pohnan.joseph@epa.gov)
(404) 562-9731

State 303(d)​
Kevin O'Donnell (kevin.odonnell@dep.state.fl.us)
Watershed Assessment Section
FL Dept. of Environmental Protection
2600 Blair Stone Road - Mail Station 3560
Tallahassee, FL 32399
(850) 245-8469

State TMDL
Ken Weaver (Kenneth.Weaver@FloridaDEP.gov)
Water Quality Evaluation & TMDL Program
FL Dept. of Environmental Protection
2600 Blair Stone Road-Mail Station 3555
Tallahassee, FL 32399-2400
(850) 245-8414

Georgia

EPA 303(d)/TMDL
Bonita Johnson (johnson.bonita@epa.gov)
(404) 562-9388

State 303(d)​/TMDL
Elizabeth A. Booth (elizabeth.booth@dnr.state.ga.us)
GA Dept. of Natural Resources
Environmental Protection Division
Watershed Planning and Monitoring Program
2 MLK, Jr. Dr. S.E., Suite 1152
Atlanta, GA 30334
(404) 463-4929

Kentucky

EPA 303(d)/TMDL
Marion Hopkins (hopkins.marion@epa.gov)
(404) 562-9481

State 303(d)​
Katie McKone (katie.mckone@ky.gov)
Division of Water
300 Sower Blvd.
Frankfort, KY 40601
(502) 782-7016

State TMDL
Alicia Jacobs (Alicia.Jacobs@ky.gov)
TMDL Section Supervisor
Division of Water
300 Sower Blvd.
Frankfort, KY 40601
(502) 564-3410

Mississippi

EPA 303(d)/TMDL
William Melville (melville.william@epa.gov)
(404) 562-9266

State 303(d)​
Charles Thompson (cthompson@mdeq.ms.gov)
MS Dept. of Env. Quality
P.O. Box 2261
Jackson, MS 39225-0385
(601) 961-5795

State TMDL
Shawn Clark (sclark@mdeq.ms.gov)
MS Dept. of Env. Quality
P.O. Box 2261
Jackson, MS 39225-0385
(601) 961-5629

North Carolina

EPA 303(d)/TMDL
Marion Hopkins (hopkins.marion@epa.gov)
(404) 562-9481

State 303(d)​/TMDL
Pam Behm (pamela.behm@ncdenr.gov)
NC Division of Water Resources
1611 Mail Service Center
Raleigh, NC 27699-1611
(919) 707-3687

South Carolina

EPA 303(d)/TMDL
Elizabeth Smith (smith.elizabeth@epa.gov)
(404) 562-8721

State 303(d)/TMDL​
Wade Cantrell (Cantrewm@dhec.sc.gov)
SC Dept. of Health & Env. Control
Bureau of Water
2600 Bull Street
Columbia, SC 29201
(803) 898-3548

State TMDL
Wade Cantrell (Cantrewm@dhec.sc.gov)
SC Dept. of Health & Env. Control
Bureau of Water
2600 Bull Street
Columbia, SC 29201
(803) 898-3548

Tennessee

EPA 303(d)/TMDL
Elizabeth Belk (belk.elizabeth@epa.gov)
(404) 562-9377

State 303(d)​
Greg Denton (gregory.denton@tn.gov)
TN Dept. of Environment & Conservation
William R. Snodgrass Tennessee Tower
312 Rosa L. Parks Avenue, 11th Floor
Nashville, TN 37243
(615) 532-0699

State TMDL
David M. Duhl (david.duhl@tn.gov)
TN Dept. of Environment & Conservation
Division of Water Resources, Water Quality Branch
William R. Snodgrass Tennessee Tower
312 Rosa L. Parks Avenue, 11th Floor
Nashville, TN 37243
(615) 532-0438

Region 5 TMDL Contacts

  • Watersheds and Wetlands Branch Manager - Dave Pfeifer (pfeifer.david@epa.gov), 312-353-9024
  • Watersheds Section Supervisor - Donna Keclik (keclik.donna@epa.gov), 312-886-6766
  • Special Projects Manager - Christine Urban (urban.christine@epa.gov), 312-886-3493
  • Regional TMDL Coordinator - Dave Werbach (werbach.david@epa.gov), 312-886-4242
  • Regional ATTAINS Coordinator - Jillian Inks (inks.jillian@epa.gov), 312-886-0778
  • Regional 303(d) List Coordinator - Donna Keclik (keclik.donna@epa.gov), 312-886-6766

303(d) List Reviewers

  • Illinois - Wendy Drake (drake.wendy@epa.gov), 312-886-6705
  • Indiana - James Ruppel (ruppel.james@epa.gov), 312-886-1823
  • Michigan - James Ruppel (ruppel.james@epa.gov), 312-886-1823
  • Minnesota - Paul Proto (proto.paul@epa.gov), 312-353-8657
  • Ohio - Paul Proto (proto.paul@epa.gov), 312-353-8657
  • Wisconsin - Wendy Drake (drake.wendy@epa.gov), 312-886-6705

Region 6 TMDL Contacts

Arkansas

EPA 303(d)/TMDL Contact
Selena Medrano (medrano.selena@epa.gov)
(214) 665-2776

Louisiana

EPA 303(d)/TMDL Contact
Tami Sundquist (sundquist.tami@epa.gov)
(214) 665-8360

New Mexico

EPA 303(d)/TMDL Contact
Rob Cook (cook.robert@epa.gov)
(214) 665-7141

Oklahoma

EPA 303(d)/TMDL Contact
Lindsey Griffin (griffin.lindsey@epa.gov)
(214) 665-2797

Texas

EPA 303(d)/TMDL Contact
Britt Dean (dean.britt@epa.gov)
(214) 665-2722

Region 7 TMDL Contacts

Standards and Water Quality Branch Supervisor
Amy Shields (shields.amy@epa.gov) 913-551-7396

Water Quality Section Supervisor
David Pratt (pratt.david@epa.gov) 913-551-7552

Regional TMDL and IR Coordinator
Chelsea Paxson (paxson.chelsea@epa.gov) 913-551-7906

Regional ATTAINS, Data Management Coordinator
Kimberly Bowman (bowman.kimberly@epa.gov) 913-551-7594

Regional Modeling Coordinator
Steven Wang (wang.steven@epa.gov) 913-551-7142

Water Division Monitoring Coordinator and TMDL/IR Support:
Jared Schmalstieg (schmalsteig.jared@epa.gov) 913-551-7688

Iowa

EPA Listing and TMDLs Contact:
Madison Stieg (stieg.madison@epa.gov) 913-551-7354

Kansas

EPA Listing and TMDLs Contact:
Joyeta Chowdhury (chowdhury.joyeta@epa.gov) 913-551-7560

Missouri

EPA Listing and TMDLs Contact:
Dane Boring (boring.dane@epa.gov) 913-551-7676

Nebraska

EPA Listing and TMDLs Contact:
Kimberly Bowman (bowman.kimberly@epa.gov) 913-551-7594

Region 8 TMDL Contacts

Colorado

EPA Listing:
Sarah Wheeler (wheeler.sarah@epa.gov)
303-312-6379

State Listing:
Skip Feeney (skip.feeney@state.co.us)
303-691-4928

EPA TMDL:
Amy King (king.amy@epa.gov)
303-312-6708

State TMDL:
Tammy Allen (tamara.allen@state.co.us)
303-692-3554

Montana

EPA Listing:
Tina Laidlaw (laidlaw.tina@epa.gov)
405-457-5016

State Listing:
Darrin Kron (dkron@mt.gov)
406-444-4765

EPA TMDL:
Peter Brumm (brumm.peter@epa.gov)
406-457-5029

State TMDL:
Christina Staten (cstaten@mt.gov)
406-444-2836

North Dakota

EPA Listing:
Tina Laidlaw (laidlaw.tina@epa.gov)
406-457-5016

State Listing:
Joshua Wert (jewert@nd.gov)
701-328-5014

EPA TMDL:
Kristy Fortman (fortman.kristy@epa.gov)
406-457-5001

State TMDL:
Joshua Wert (jewert@nd.gov)
701-328-5014

South Dakota

EPA Listing:
Tina Laidlaw (laidlaw.tina@epa.gov)
406-457-5016

State Listing:
Shannon Minerich (shannon.minerich@state.sd.us)
605-773-3351

EPA TMDL:
Amy King (king.amy@epa.gov)
303-312-6708

State TMDL:
Allen Wittmuss (alan.wittmuss@usd.edu)
605-677-6163

Utah

EPA Listing:
Sarah Wheeler (wheeler.sarah@epa.gov)
303-312-6379

State Listing:
Jodi Gardberg (jgardberg@utah.gov)
801-536-4372

EPA TMDL:
Kristy Fortman (fortman.kristy@epa.gov)
406-457-5001

State TMDL:
Jodi Gardberg (jgardberg@utah.gov)
801-536-4372

Wyoming

EPA Listing:
Tina Laidlaw (laidlaw.tina@epa.gov)
406-457-5016

State Listing:
Ron Steg (ron.steg@wyo.gov)
307-335-6980

EPA TMDL:
Justin Wiese (wiese.justin@epa.gov)
303-312-6637

State TMDL:
Ron Steg (ron.steg@wyo.gov)
307-335-6980

Tribes

Region 9 TMDL Contacts

Standards and TMDL Section Manager - TMDLs, 303(d) Listing, Monitoring, WQ Standards

Tina Yin (yin.tina@epa.gov)
(415) 972-3579

Regional TMDL and 303(d) Listing Coordinator

Dave Guiliano (guiliano.dave@epa.gov)
(415) 947-4133

American Samoa

EPA 303(d)/TMDL Contact

TBD

Arizona

EPA 303(d)/TMDL Contact

TBD

California

EPA Statewide 303(d)/TMDL Contact

Eric Dubinsky (dubinsky.eric@epa.gov)
(415) 972-3517

EPA TMDL Liaisons for Regional Water Quality Control Boards

North Coast - Regional Board 1

TBD

San Francisco Bay - Regional Board 2

Eric Dubinsky (dubinsky.eric@epa.gov)
(415) 972-3517

Central Coast - Regional Board 3

Matt Mitchell (mitchell.matthew@epa.gov)
(417) 972-3508

Los Angeles - Regional Board 4

Matt Bolt (bolt.matthew@epa.gov)
(415) 972-3578

Central Valley - Regional Board 5

Matt Mitchell (mitchell.matthew@epa.gov)
(417) 972-3508

Lahontan - Regional Board 6

Matt Mitchell (mitchell.matthew@epa.gov)
(417) 972-3508

Colorado River - Regional Board 7

TBD

Santa Ana - Regional Board 8

TBD

San Diego - Regional Board 9

TBD

Commonwealth of Northern Mariana Islands (CNMI)

EPA 303(d)/TMDL Contact

CJ Tawiah (Tawiah.CJ@epa.gov)
(415) 972-3553

Guam

EPA 303(d)/TMDL Contact

Dave Guiliano (guiliano.dave@epa.gov)
(415) 947-4133

Hawaii

EPA 303(d)/TMDL Contact

Eric Dubinsky (dubinsky.eric@epa.gov)
(415) 972-3517

Nevada

EPA 303(d)/TMDL Contact

Dave Guiliano (guiliano.dave@epa.gov)
(415) 947-4133

Region 10 TMDL Contacts

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Last updated on May 13, 2025