Monitoring

Our researchers are responsible for operating the Reserve’s System-Wide Monitoring Program (SWMP). SWMP provides scientists, resource managers, educators, and other coastal decision makers with frequent and high-quality water quality, weather, nutrient, and wetland plant community data.  Since 2012, the Reserve has maintained four water quality stations, one meteorological station, and collected nutrient and algal data that is all publicly available.

Current Conditions on the St. Louis River Estuary

A water quality station monitoring a body of water

Barker's Island

May 02, 2025 3:15 PM

This may not be current data


Water Quality

Water Temperature
48.2° F
9.8° C

Specific Conductivity
0.29 mS/cm

Dissolved Oxygen
101.1%

Dissolved Oxygen
11.4 mg/L

Salinity
0.1 PSU

Depth
3.28 ft
1.15 m

pH
8.0 standard units

Turbidity
9 FNU/NTU

Chorophyl Fluoresence
10.6 ug/L

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

A water quality station monitoring a body of water

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)

A weather station in a marsh area

Pokegama Bay

Jun 08, 2025 8:00 PM

Weather

Air Temp
58.1° F

14.5° C

Wind Speed
1.9 mps (2.2 mph)

Max Wind Speed
3.6 mps (6.7 mph)

Wind Dir
303°

Rel Humidity
69% saturated

Bar Pressure
1001 millibars

Cum Precip
10.2mm

Total PAR
157.0mmol/m2/15mins

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

Data Resources

We are committed to making data publicly available and providing data products that serve a wide range of users. Find instructions to access and download data.