Allen (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°9'25", Longitude 82°29'20"
Period of record: 2 sampling dates; September 19, 1996 to October 13, 1996
Surface area (Shafer et al. 1986): 28 acres / 11 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 Tampa Plain 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.1 |
Sulfate (mg/L) |
9.9 |
|
Total alkalinity (mg/L as CaCO3) |
27.0 |
Calcium (mg/L) |
13.0 |
|
Conductance (µS/cm @ 25 °C) |
171 |
Magnesium (mg/L) |
1.9 |
|
Color (Pt-Co units) |
20 |
Sodium (mg/L) |
16.0 |
|
Chloride (mg/L) |
32.5 |
Potassium (mg/L) |
2.9 |
|
Silicon (mg/L) |
0.2 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 2 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
19 |
21 |
23 |
|
Long-term total nitrogen concentrations (µg/L) |
920 |
990 |
1050 |
|
Long-term total chlorophyll concentrations (µg/L) |
10.7 |
16.2 |
21.7 |
|
Long-term Secchi depth (ft) |
3.4 |
4.4 |
5.4 |
Florida LAKEWATCH data were not collected in 1999.
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