Stall (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°3'46", Longitude 82°29'27"
Period of record: 24 sampling dates; December 9, 1996 to September 25, 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.0 |
Sulfate (mg/L) |
28.0 |
|
Total alkalinity (mg/L as CaCO3) |
8.8 |
Calcium (mg/L) |
14.0 |
|
Conductance (µS/cm @ 25 °C) |
215 |
Magnesium (mg/L) |
2.6 |
|
Color (Pt-Co units) |
13 |
Sodium (mg/L) |
18.0 |
|
Chloride (mg/L) |
30.0 |
Potassium (mg/L) |
4.7 |
|
Silicon (mg/L) |
0.5 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 24 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
11 |
17 |
24 |
|
Long-term total nitrogen concentrations (µg/L) |
340 |
540 |
1000 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.7 |
10.1 |
22.0 |
|
Long-term Secchi depth (ft) |
4.0 |
7.3 |
10.7 |
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 |
|
Feb-06-99 |
22 |
570 |
22.0 |
8.7 |
|
Jul-10-99 |
14 |
440 |
6.7 |
8.3 |
|
Sep-03-99 |
18 |
590 |
16.3 |
7.0 |
|
Sep-25-99 |
20 |
590 |
9.0 |
6.0 |
|
|
|
|
|
|
|
1999 Average |
18 |
550 |
13.5 |
7.5 |