Download Supplement 1 - Map of EPA Regions and WSA Sample Sites

MAP OF EPA REGIONS
The following image is from the EPA’s Wadeable Stream Assessment Report, found on page 17.
The green dots are the sites that were sampled, and the numbers indicate the EPA Region
number. A table identifying the states belonging to each Region is provided below.
U.S. Environmental Protection Agency. (2007) Wadeable Streams Assessment. Accessed Jan 17, 2009.
http://www.epa.gov/owow/streamsurvey/
Region 1
Region 2
Region 3
Region 4
Region 5
Region 6
Region 7
Region 8
Region 9
Region 10
CT, ME, VT, NH, MA, RI
NJ, NY
DE, MD, PA, VA, WV, DC
AL, FL, GA, KY, MS, NC, SC, TN
IL, IN, MI, MN, OH, WI
AR, LA, NM, OK, TX
IA, KS, MO, NE
CO, MT, ND, SD, UT, WY
AZ, CA, NV
AK, ID, OR, WA