Hog Island (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°10'10", Longitude 82°26'53"
Period of record: 5 sampling dates; July 30, 1996 to December 12, 1999
Surface area (Shafer et al. 1986): 30 acres / 12 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.1 |
Sulfate (mg/L) |
9.9 |
|
Total alkalinity (mg/L as CaCO3) |
14.0 |
Calcium (mg/L) |
6.4 |
|
Conductance (µS/cm @ 25 °C) |
112 |
Magnesium (mg/L) |
3.0 |
|
Color (Pt-Co units) |
64 |
Sodium (mg/L) |
6.9 |
|
Chloride (mg/L) |
19.5 |
Potassium (mg/L) |
4.6 |
|
Silicon (mg/L) |
1.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 5 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
24 |
28 |
36 |
|
Long-term total nitrogen concentrations (µg/L) |
990 |
1050 |
1150 |
|
Long-term total chlorophyll concentrations (µg/L) |
5.0 |
11.7 |
17.0 |
|
Long-term Secchi depth (ft) |
5.0 |
5.8 |
7.0 |
1999 Florida LAKEWATCH Data
Numbers reported below are monthly averages calculated from 3 stations for total phosphorus (TP, µg/L), total nitrogen (TN, µg/L), chlorophyll (CHL, µg/L) and Secchi depth (SECCHI, ft) during 1999:
|
Date |
TP (µg/L) |
TN (µg/L) |
CHL (µg/L) |
SECCHI (ft |
|
Dec-12-99 |
28 |
990 |
11.3 |
5.5 |
|
|
|
|
|
|
|
1999 Average |
28 |
990 |
11.3 |
5.5 |