St. Johns River
Jacksonville, Florida, United States
Location created by
Nikki Simpson
- Group: St. Johns Riverkeeper : St. Johns Riverkeeper team
- Lat: 30.3155993
- Lng: -81.679681
- Waterbody Type: River
- Timezone: America/New_York
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Salinity
ppt
5.0
Latest
4.9
Average
Water temperature
°C
20.0
Latest
17.7
Average
Nitrates
mg/L
5.0
Latest
5.7
Average
Nitrites
mg/L
0.5
Latest
0.5
Average
Dissolved oxygen
mg/L
0.0
Latest
2.1
Average
Turbidity
JTU
20
Latest
29
Average
pH (0-14)
7.0
Latest
7.2
Average
Air temperature
°C
23.9
Latest
20.2
Average