Jessup (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°43'27", Longitude 81°12'53"
Period of record: 42 sampling dates; April 25, 1991 to November 27, 1994
Surface area : No data available.
Lake Region (Griffith et al. 1997): Eastern Flatlands
Geologic formation (Brooks 1981):
The geology is dominated by dune sand and shell with silty sand, silt, and clay of the Princess Ann Formation.
Physiographic region (Brooks 1981):
The water body lies in the St. John’s Offset division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 4 months sampled:
|
pH |
8.5 |
Sulfate (mg/L) |
40.3 |
|
Total alkalinity (mg/L as CaCO3) |
68.0 |
Calcium (mg/L) |
36.7 |
|
Conductance (µS/cm @ 25 °C) |
645 |
Magnesium (mg/L) |
41.1 |
|
Color (Pt-Co units) |
52 |
Sodium (mg/L) |
86.5 |
|
Chloride (mg/L) |
158.1 |
Potassium (mg/L) |
6.3 |
|
Silicon (mg/L) |
3.2 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 42 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
104 |
188 |
339 |
|
Long-term total nitrogen concentrations (µg/L) |
1320 |
2500 |
5030 |
|
Long-term total chlorophyll concentrations (µg/L) |
36.5 |
117.7 |
356.3 |
|
Long-term Secchi depth (ft) |
0.9 |
1.6 |
2.5 |
Florida LAKEWATCH data were not collected in 1999.