Casey (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°3'17", Longitude 82°30'52"
Period of record: 18 sampling dates; November 20, 1996 to April 24, 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.5 |
Sulfate (mg/L) |
17.0 |
|
Total alkalinity (mg/L as CaCO3) |
25.0 |
Calcium (mg/L) |
20.0 |
|
Conductance (µS/cm @ 25 °C) |
225 |
Magnesium (mg/L) |
1.6 |
|
Color (Pt-Co units) |
13 |
Sodium (mg/L) |
16.7 |
|
Chloride (mg/L) |
39.0 |
Potassium (mg/L) |
2.2 |
|
Silicon (mg/L) |
0.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 18 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
24 |
45 |
|
Long-term total nitrogen concentrations (µg/L) |
310 |
660 |
2270 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
14.7 |
84.7 |
|
Long-term Secchi depth (ft) |
0.9 |
5.8 |
10.3 |
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 |
|
Feb-26-99 |
20 |
490 |
3.0 |
. |
|
Apr-24-99 |
45 |
2270 |
84.7 |
0.9 |
|
|
|
|
|
|
|
1999 Average |
32 |
1380 |
43.8 |
0.9 |