Oregon’s Impaired Waters

0 30 60 90Miles

Note: This map shows all waters impaired by one or more pollutants in Oregon. Waters are depicted as needing a TMDL until TMDLs have been completed addressing all impairing pollutants.

2004/2006 Water Quality Limited WatersImpaired by one or more pollutants - needs TMDL (303(d) List) Impaired - does not need TMDL (TMDL approved or impaired by non-pollutant)Total - 1,117 streams, lakes, reservoirs Total - 1,231 streams, lakes, reservoirs

14,905 miles

31 lakes and reservoirs; 46,753 acres

16,736 miles

21 lakes and reservoirs; 96,799 acres

WQ

L_S

tream

Lake

s_V

2.m

xd -

Aug

ust 4

th, 2

009