Three Island (Volusia County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°56'20", Longitude 81°12'37"
Period of record: 4 sampling dates; July 13, 1996 to January 26, 1997
Surface area : No data available.
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Crescent City-Deland Ridge division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
5.7 |
Sulfate (mg/L) |
6.0 |
|
Total alkalinity (mg/L as CaCO3) |
1.3 |
Calcium (mg/L) |
2.8 |
|
Conductance (µS/cm @ 25 °C) |
64 |
Magnesium (mg/L) |
1.0 |
|
Color (Pt-Co units) |
82 |
Sodium (mg/L) |
6.7 |
|
Chloride (mg/L) |
14.8 |
Potassium (mg/L) |
0.9 |
|
Silicon (mg/L) |
0.6 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 4 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
9 |
10 |
12 |
|
Long-term total nitrogen concentrations (µg/L) |
540 |
650 |
710 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.3 |
4.7 |
5.3 |
|
Long-term Secchi depth (ft) |
4.0 |
5.3 |
6.3 |
Florida LAKEWATCH data were not collected in 1999.