Thonotosassa (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°3'51", Longitude 82°16'53"
Period of record: 12 sampling dates; May 28, 1998 to April 28, 1999
Surface area (Shafer et al. 1986): 819 acres / 331 hectacres
Lake Region (Griffith et al. 1997): Hillsborough Valley
Geologic formation (Brooks 1981):
The geology is dominated by clayey sand and clay with sandy to clayey limestone of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Hillsborough Valley division of the Ocala Uplift District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 3 months sampled:
|
pH |
8.3 |
Sulfate (mg/L) |
29.9 |
|
Total alkalinity (mg/L as CaCO3) |
47.9 |
Calcium (mg/L) |
20.3 |
|
Conductance (µS/cm @ 25 °C) |
214 |
Magnesium (mg/L) |
13.7 |
|
Color (Pt-Co units) |
82 |
Sodium (mg/L) |
21.9 |
|
Chloride (mg/L) |
25.6 |
Potassium (mg/L) |
4.6 |
|
Silicon (mg/L) |
0.8 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 12 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
353 |
444 |
631 |
|
Long-term total nitrogen concentrations (µg/L) |
1280 |
1970 |
3320 |
|
Long-term total chlorophyll concentrations (µg/L) |
66.3 |
132.4 |
358.7 |
|
Long-term Secchi depth (ft) |
1.3 |
1.8 |
2.4 |
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 |
|
Jan-28-99 |
424 |
1590 |
122.0 |
1.9 |
|
Feb-27-99 |
512 |
2030 |
112.0 |
2.0 |
|
Mar-22-99 |
441 |
2120 |
99.7 |
1.7 |
|
Apr-28-99 |
450 |
3320 |
358.7 |
1.3 |
|
|
|
|
|
|
|
1999 Average |
457 |
2270 |
173.1 |
1.7 |