Homepage

HUC8 Lookup

Data Dictionary
GLANSIS

Find your HUC8 watershed and download a printable map.

Find your HUC8 watershed and download a printable map with nearby watersheds labeled.
Search by address, school name, city + state, ZIP, or HUC8 code —or click the map to choose a location.

Search by
?
  • An 8-digit Hydrologic Unit Code
  • Great Lakes region codes should start with 04
  • Example: 04100013
Example: 48103
Current Watershed
Adjacent Watersheds
Other Watersheds

Adjacent Watersheds

Go to the Cooperative Institute for Great Lakes Research home page Go to the NOAA Sea Grant home page Go to the USGS Nonindigenous Aquatic Species home page Link to the Great Lakes Aquatic Habitat Framework page

Link to NOAA Page