Forest (Hillsborough)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°5'14", Longitude 82°25'8"
Period of record: 21 sampling dates; September 7, 1997 to December 11, 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Supplemental, unpublished water chemistry data, University of Florida.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 |
8.4 |
Sulfate (mg/L) |
12.0 |
|
Total alkalinity (mg/L as CaCO3) |
77.0 |
Calcium (mg/L) |
33.0 |
|
Conductance (µS/cm @ 25 °C) |
231 |
Magnesium (mg/L) |
1.6 |
|
Color (Pt-Co units) |
18 |
Sodium (mg/L) |
8.0 |
|
Chloride (mg/L) |
19.3 |
Potassium (mg/L) |
1.6 |
|
Silicon (mg/L) |
1.4 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 21 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
34 |
57 |
98 |
|
Long-term total nitrogen concentrations (µg/L) |
590 |
950 |
1340 |
|
Long-term total chlorophyll concentrations (µg/L) |
11.3 |
40.0 |
84.3 |
|
Long-term Secchi depth (ft) |
1.0 |
2.0 |
3.1 |
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-25-99 |
98 |
1070 |
53.7 |
1.8 |
|
Apr-25-99 |
55 |
1170 |
29.7 |
1.3 |
|
May-16-99 |
65 |
1140 |
38.3 |
1.5 |
|
Jun-09-99 |
54 |
1050 |
31.3 |
2.0 |
|
Jul-11-99 |
41 |
960 |
28.7 |
2.1 |
|
Aug-28-99 |
61 |
1250 |
45.7 |
1.8 |
|
Nov-11-99 |
74 |
1330 |
59.7 |
1.4 |
|
Dec-11-99 |
64 |
1340 |
51.0 |
1.0 |
|
|
|
|
|
|
|
1999 Average |
64 |
1160 |
42.2 |
1.6 |