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Legend (NPDAT/NPDATA)

MARB Boundary (0)
NARS Wadeable Streams Region (1)
Coastal Plains (CPL) Coastal Plains (CPL)
Northern Appalachians (NAP) Northern Appalachians (NAP)
Northern Plains (NPL) Northern Plains (NPL)
Southern Appalachians (SAP) Southern Appalachians (SAP)
Southern Plains (SPL) Southern Plains (SPL)
Temperate Plains (TPL) Temperate Plains (TPL)
Upper Midwest (UMW) Upper Midwest (UMW)
Western Mountains (WMT) Western Mountains (WMT)
Xeric (XER) Xeric (XER)
Listed Impairment Point (2)
Listed Impairment Line (3)
Listed Impairment Area (4)
TMDL Point (5)
TMDL Line (6)
TMDL Area (7)
State (8)
Facility Discharging to Water (9)
With Permit and/or Monitoring Data With Permit and/or Monitoring Data
Without Permit and/or Monitoring Data Without Permit and/or Monitoring Data
Hydrologic Unit (HUC8) (10)
NARS Lakes Region (11)
Coastal Plain Ecosystem Coastal Plain Ecosystem
Cultivated Great Plains Cultivated Great Plains
Grass Plains Grass Plains
Northern Glaciated Northern Glaciated
SE Plains/Piedmont SE Plains/Piedmont
Southern Appalachian Mountains Southern Appalachian Mountains
Southern Glaciated Southern Glaciated
Temperate Plains Temperate Plains
Western Mountains Western Mountains
Xeric West Xeric West