Thomas (Pasco County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°14'26", Longitude 82°28'11"
Period of record: 3 sampling dates; September 21, 1996 to January 23, 1997
Surface area (Shafer et al. 1986): 164 acres / 66 hectacres
Lake Region (Griffith et al. 1997): Land-O-Lakes
Geologic formation (Brooks 1981):
The geology is dominated by argillaceous to sandy impure limestone of the Tampa Formation.
Physiographic region (Brooks 1981):
The water body lies in the Land-O-Lakes subdivision of the Tampa Plain division of the Ocala Uplift District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.3 |
Sulfate (mg/L) |
9.9 |
|
Total alkalinity (mg/L as CaCO3) |
16.7 |
Calcium (mg/L) |
8.5 |
|
Conductance (µS/cm @ 25 °C) |
139 |
Magnesium (mg/L) |
2.4 |
|
Color (Pt-Co units) |
14 |
Sodium (mg/L) |
10.0 |
|
Chloride (mg/L) |
22.7 |
Potassium (mg/L) |
2.8 |
|
Silicon (mg/L) |
0.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 3 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
9 |
10 |
|
Long-term total nitrogen concentrations (µg/L) |
420 |
450 |
510 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.0 |
4.2 |
5.3 |
|
Long-term Secchi depth (ft) |
8.7 |
9.9 |
11.0 |
Florida LAKEWATCH data were not collected in 1999.