Explore general as well as scientific information about the movement, chemistry and biology of area surface and ground water environments.
The following data are summarized as seasonal average values for lake and river sampling locations located within the watershed. While these data are useful to serve as a general picture of watershed health, these data must be viewed with caution because these samples have been taken from ecologically different water resources.
| Season | Total Nitrogen | Nitrate (NO3) | Total Phosphorus | Orthophosphate | Number of Sample Stations | Number of Samples |
|---|---|---|---|---|---|---|
| APR-JUN 2025 | 1,322 ug/l |
|
81 ug/l |
|
3 | 7 |
| JAN-MAR 2025 | 1,434 ug/l |
|
128 ug/l |
|
5 | 18 |
| OCT-DEC 2024 | 1,310 ug/l |
|
210 ug/l |
|
7 | 24 |
| JUL-SEP 2024 | 1,627 ug/l |
|
159 ug/l |
|
7 | 23 |
| APR-JUN 2024 | 1,637 ug/l |
|
152 ug/l |
|
7 | 24 |
| JAN-MAR 2024 | 1,027 ug/l |
|
95 ug/l |
|
7 | 25 |
| OCT-DEC 2023 | 1,181 ug/l |
|
128 ug/l |
|
6 | 16 |
| JUL-SEP 2023 | 1,467 ug/l |
|
128 ug/l |
|
6 | 22 |
| APR-JUN 2023 | 1,477 ug/l |
|
131 ug/l |
|
7 | 23 |
| JAN-MAR 2023 | 1,418 ug/l |
|
144 ug/l |
|
6 | 23 |
| Five Year Seasonal Graph | ||||||
| Five Year Graph of All Samples |
| Season | Total Nitrogen | Nitrate (NO3) | Total Phosphorus | Orthophosphate | Number of Sample Stations | Number of Samples |
|---|---|---|---|---|---|---|
| Five Year Seasonal Graph |
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| Five Year Graph of All Samples |
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Stream level and flow data for the St. Johns River Watershed. Learn More about Stream Flow »
| River | Flows Whole River Range | Flows Data by Segment | Levels Whole River Range | Levels Data By Segment |
|---|---|---|---|---|
| Saint Johns River |
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| Taylor Creek |
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Source(s): Not Available
Source(s): Not Available