Research, education, outreach and stewardship along Lake Superior’s coast

Located on the St. Louis River Estuary in Superior, Wisconsin

Improving the understanding of Lake Superior’s coast and estuaries

The Lake Superior National Estuarine Research Reserve works in partnership to improve the understanding of Lake Superior’s coast and estuaries. We address issues affecting the watershed through integration of research, system-wide monitoring, education, coastal training and stewardship.

Research

Monitoring

Education

Coastal Training

Stewardship

A Gathering Place for Learning and Play

Enjoy, explore and experience!

The Estuarium is open Wednesdays, Fridays, and Saturdays 10:00a.m.—5:00p.m. Enjoy, explore and experience the Estuarium.
FREE ADMISSION!

Visit Lake Superior Estuarium

The front of a red building with tan trim

Happening at the Lake Superior Reserve

Rivers2Lake Apply Now! Teachers engaging in paddling, sitting on the sand at Wisconsin Point journaling, and conducting water chemistry activities.

Apply Now for Rivers2Lake!

Professional learning, mentoring, and support in outdoor and environmental education for PK-12 teachers and their students.

For more information and to apply, click here.

Featured Event

Current Conditions on the St. Louis River Estuary

A water quality station monitoring a body of water

Barker's Island

Dec 02, 2024 10:00 AM

This may not be current data

Water Quality

Water Temperature
32° F
0.8° C

Specific Conductivity
0.27 mS/cm

Dissolved Oxygen
96.1%

Dissolved Oxygen
13.7 mg/L

Salinity
0.1 PSU

Depth
Missing Data
Missing Data

pH
8.1 standard units

Turbidity
12 FNU/NTU

Chorophyl Fluoresence
19.3 ug/L

All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)

Barker's Island

Nov 08, 2023 2:45 PM

This may not be current data

Nutrients

Orthophospate
0.021 mg/L as P

Ammonium
0.121 mg/L as N

Nitrite
0.013 mg/L as N

Nitrate
0.385 mg/L as N

Nitrite + Nitrate
0.398 mg/L as N

Chlorophyll
3.03 ug/L

All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)

Pokegama Bay

Apr 20, 2025 8:00 AM

Weather

Air Temp
29.1° F

-1.6° C

Wind Speed
0.2 mps (0 mph)

Max Wind Speed
0.8 mps (0 mph)

Wind Dir
177°

Rel Humidity
96% saturated

Bar Pressure
1027 millibars

Cum Precip
0.0mm

Total PAR
249.0mmol/m2/15mins

All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)

How to Pronounce

Lake Superior National Estuarine Research Reserve