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TMDL (Total Maximum Daily Load) Contacts

US EPA Region 8:
Jim Ruppel
TMDL Coordinator
1595 Wynkoop Street
Denver, CO 80202-1129
303-312-6846
ruppel.james@epa.gov
Sandra Spence
TMDL Specialist
State contact for: UT, WY
1595 Wynkoop Street
Denver, CO 80202-1129
303-312-6947
spence.sandra@epa.gov
Vern Berry
TMDL Specialist
State contact for: ND, SD
1595 Wynkoop Street
Denver, CO 80202-1129
303-312-6234
berry.vern@epa.gov
Ron Steg
USEPA Region 8 - Montana
Operations Office
Federal Building
10 West 15th St.
Suite 3200
Helena, MT 59626
406-457-5024
steg.ron@epa.gov


Region 8 States:
Colorado
Phil Hegeman
Water Quality Control Division
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South
Denver, CO 80222
303-692-3518
philip.hegeman@state.co.us

Montana
George Mathieus
Planning, Prevention, Assistance Division
Montana Department of Environmental Quality
P.O. Box 200901
Helena, MT 59620-0901
406-444-7423
gemathieus@mt.gov

North Dakota
Mike Ell
Division of Water Quality
Department of Health
P.O. Box 5520
Bismarck, ND 58502
701-328-5210
mell@state.nd.us

South Dakota
Gene Stueven
Division of Environmental Regulation
Department of Environment and Natural Resources
Joe Foss Building
523 East Capitol
Pierre, SD 57501
605-773-5682
gene.stueven@state.sd.us

Utah
Carl Adams
Department of Environmental Quality
288 North 1460 West
P.O. Box 144870
Salt Lake City, UT 84114
801-538-9215
carladams@utah.gov

Wyoming
Don Newton
Department of Environmental Quality
Herschler Bldg., 4th floor
122 West 25th Street
Cheyenne, WY 82002
307-335-6965
dnewto@state.wy.us


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