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
Barker's Island
Nov 25, 2025 9:30 AM
This may not be current data
Water Quality
Water Temperature
37.4° F
3.8° C
Specific Conductivity
0.22 mS/cm
Dissolved Oxygen
94.6%
Dissolved Oxygen
12.5 mg/L
Salinity
0.1 PSU
Depth
3.28 ft
1.27 m
pH
7.9 standard units
Turbidity
6 FNU/NTU
Chorophyl Fluoresence
5.3 ug/L
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Barker's Island
Nov 07, 2024 6:00 AM
This may not be current data
Nutrients
Orthophospate
0.015 mg/L as P
Ammonium
0.102 mg/L as N
Nitrite
Missing Data
Nitrate
Missing Data
Nitrite + Nitrate
0.434 mg/L as N
Chlorophyll
8.69 ug/L
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Pokegama Bay
Dec 06, 2025 1:00 PM
Weather
Air Temp
13.3° F
-10.4° C
Wind Speed
2.6 mps (4.5 mph)
Max Wind Speed
4.3 mps (8.9 mph)
Wind Dir
22°
Rel Humidity
48% saturated
Bar Pressure
1014 millibars
Cum Precip
0.0mm
Total PAR
402.0mmol/m2/15mins
All Data is property of NOAA Office for Coastal Management (OCM) / National Estuarine Research Reserve System (NERRS)
Data Resources
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