Real-time Water Quality Data from Western Lake Superior & the St. Louis River Estuary






	Select a Stream North Shore Streams Overview Map Amity Creek Baptism River Beaver River Brule River Caribou River Cascade River E. Split Rock River Encampment River Flute Reed River French River Gooseberry River Knife River Lester River Poplar River Split Rock River Stewart River (Big) Sucker River Sugarloaf Creek Talmadge River Duluth Streams Overview Map A - K Streams Amity Creek Bowser St. Creek Brewery Creek Buckingham Creek Chester Creek Clarkhouse Creek Coffee Creek Gary St. Creek Gogebic St. Creek Greys Creek Heard St. Creek Keene Creek Kingsbury Creek Knowlton Creek L - Z Streams Lenroot St. Creek Lester River Merritt Creek Miller Creek Mission Creek Morgan Park Creek Oregon Creek Sargent Creek St. Louis River Stewart Creek Tischer Creek U.S. Steel Creek Numbered Streams - East 34th Ave East Creek 37th Ave East Creek 38th Ave East Creek 40th Ave East Creek 43rd Ave East Creek 47th Ave East Creek 50th Ave East Creek 58th Ave East Creek Numbered Streams - West 32nd Ave West Creek 41st Ave West Creek 44th Ave West Creek 49th Ave West Creek 62nd Ave West Creek 68th Ave West Creek 79th Ave West Creek 82nd Ave West Creek 84th Ave West Creek 85th Ave West Creek Other Watersheds Mud Lake Steelton South Shore Streams Overview Map Nemadji River Cloquet Streams Overview Map Fond du Lac Creek Otter Creek Simian Creek Saint Louis River Trout Streams North Shore Trout Streams Duluth Trout Streams South Shore Trout Streams Current Data About Data QA/QC Reports General North Shore Duluth Area St Louis River / Duluth - Superior Harbor South Shore Creek News Stream Restoration

Real-time Water Quality Sensor Locations and Data Links

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This map shows the locations of real-time water quality sensors in monitored Duluth-Superior area trout streams, the St. Louis River Estuary, and the western arm of Lake Superior. Clicking a map symbol will take you to the real-time data via the agency's website.

Agencies managing, operating and maintaining these sensors include the Natural Resources Research Institute (NRRI) and Large Lakes Observatory (LLO) at the University of Minnesota-Duluth, the Lake Superior National Estuarine Research Reserve (NERR) at the University of Wisconsin-Superior, the US Geological Survey (USGS), the Western Lake Superior Sanitary District (WLSSD), and Lake Superior College (LSC).