Estes (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°7'11", Longitude 82°27'58"
Period of record: 35 sampling dates; October 20, 1996 to December 19, 1999
Surface area : No data available.
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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.6 |
Sulfate (mg/L) |
13.3 |
|
Total alkalinity (mg/L as CaCO3) |
58.0 |
Calcium (mg/L) |
25.7 |
|
Conductance (µS/cm @ 25 °C) |
271 |
Magnesium (mg/L) |
2.8 |
|
Color (Pt-Co units) |
28 |
Sodium (mg/L) |
18.0 |
|
Chloride (mg/L) |
37.4 |
Potassium (mg/L) |
2.7 |
|
Silicon (mg/L) |
0.7 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 35 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
16 |
30 |
60 |
|
Long-term total nitrogen concentrations (µg/L) |
670 |
830 |
1120 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.0 |
13.0 |
79.7 |
|
Long-term Secchi depth (ft) |
4.5 |
7.7 |
12.3 |
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-17-99 |
32 |
840 |
6.0 |
9.5 |
|
Feb-14-99 |
42 |
790 |
7.0 |
7.0 |
|
Mar-20-99 |
53 |
820 |
7.0 |
5.2 |
|
Apr-24-99 |
29 |
790 |
9.0 |
6.1 |
|
Jun-06-99 |
30 |
830 |
9.7 |
5.8 |
|
Jul-04-99 |
31 |
840 |
9.7 |
6.5 |
|
Aug-21-99 |
29 |
820 |
7.0 |
7.3 |
|
Sep-19-99 |
27 |
890 |
10.3 |
6.7 |
|
Oct-31-99 |
31 |
920 |
17.3 |
5.8 |
|
Dec-19-99 |
26 |
870 |
31.0 |
5.8 |
|
|
|
|
|
|
|
1999 Average |
33 |
840 |
11.4 |
6.6 |