Illinois

Jim Casey, Civil Engineer
Illinois DNR
Office of Water Resources
36 S. Wabash Ave., Room 1415
Chicago, IL 60603
PH: 312/793-5947
jcasey@dnrmail.state.il.us

Indiana

Ralph Spaeth
Division of Water
Indiana DNR
402 W. Washington
Indianapolis, IN 46241
PH: 317/234-1101
rspaeth@dnr.in.gov

Michigan

Ron Van Til, Water Use Analyst
Michigan DEQ
Water Bureau
P.O. Box 30273
Lansing, MI 48909-8130
PH: 517/241-1414
vantilr@michigan.gov

Minnesota 

Sean Hunt, Hydrologist
Division of Waters
Minnesota DNR
500 Lafayette Rd., Third floor
St. Paul, MN 55155-4032
PH: 651/296-0509
sean.hunt@dnr.state.mn.us

New York 

Michael Holt, P.E.
Bureau of Water Resource Mgmt.
New York State DEC
625 Broadway
Albany, NY 12233-3505
PH: 518/402-8099
mdholt@gw.dec.state.ny.us

Ohio

Leonard Black
Division of Water
Ohio DNR
2045 Morse Rd. Bldg B-2
Columbus, OH 43229
PH: 614/265-6758
leonard.black@dnr.state.oh.us

Ontario 

Scott Christilaw, Manager
Water Resources Info.
Science & Information Branch
Ontario MNR
P.O. Box 7000
300 Water St.
Peterborough, ON K9J 8M5
PH: 705/755-1870
scott.christilaw@mnr.gov.on.ca

Pennsylvania 

Tom Denslinger, Chief
Water Use Management Section
Bureau of Watershed Management
Pennsylvania DEP
P.O. Box 8555
Harrisburg, PA 17105-8555
PH: 717/772-5679
tdenslinge@state.pa.us

Québec 

Lucien Bouchard, Director
Des politiques du secteur municipal
Ministere de l-environment
675 Boulevard Rene-Levesque Est
8th Floor, Box 99
Qúebec, QC G1R 5V7
PH: 418/521-3829
lucie.bouchard@menv.gouv.qc.ca

Wisconsin 

Linda Talbot
Office of the Great Lakes
Wisconsin DNR
P.O. Box 7921
Madison, WI 53707
PH: 608/266-8148
Linda.talbot@dnr.state.wi.us

Great Lakes Commission

Marilyn Ratliff
Database Administrator
Great Lakes Commission
2805 S. Industrial Hwy. #100
Ann Arbor, MI 48104-6791
PH: 734/971-9135
mratliff@glc.org