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 |
|---|---|---|---|---|---|---|
| OCT-DEC 2022 | 1,890 ug/l | 800.0 ug/l | 638 ug/l | 0.44 mg/l | 1 | 1 |
| JUL-SEP 2022 | 703 ug/l | 200.0 ug/l | 255 ug/l | 0.1 mg/l | 1 | 1 |
| APR-JUN 2022 | 1,010 ug/l | 233.3 ug/l | 347 ug/l | 0.2 mg/l | 1 | 3 |
| JAN-MAR 2022 | 2,024 ug/l | 750.0 ug/l | 620 ug/l | 0.48 mg/l | 1 | 3 |
| OCT-DEC 2021 | 2,165 ug/l | 763.3 ug/l | 666 ug/l | 0.54 mg/l | 1 | 3 |
| JUL-SEP 2021 | 1,159 ug/l | 228.7 ug/l | 417 ug/l | 0.3 mg/l | 1 | 3 |
| APR-JUN 2021 | 875 ug/l | 156.7 ug/l | 243 ug/l | 0.1 mg/l | 1 | 3 |
| JAN-MAR 2021 | 982 ug/l | 286.7 ug/l | 377 ug/l | 0.16 mg/l | 1 | 3 |
| 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 |
|---|---|---|---|---|---|---|
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| 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 Sanford 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 |
Average river flow is slower than it has been historically.
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Average water levels are lower than they have been historically.
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Source(s): Not Available
Source(s): Not Available