Cedar (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°3'58", Longitude 82°28'14"
Period of record: 39 sampling dates; November 10, 1996 to December 18, 1999
Surface area (Shafer et al. 1986): 10 acres / 4 hectacres
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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.3 |
Sulfate (mg/L) |
16.7 |
|
Total alkalinity (mg/L as CaCO3) |
31.0 |
Calcium (mg/L) |
16.0 |
|
Conductance (µS/cm @ 25 °C) |
225 |
Magnesium (mg/L) |
1.0 |
|
Color (Pt-Co units) |
21 |
Sodium (mg/L) |
25.3 |
|
Chloride (mg/L) |
36.3 |
Potassium (mg/L) |
2.3 |
|
Silicon (mg/L) |
0.2 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 39 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
24 |
41 |
119 |
|
Long-term total nitrogen concentrations (µg/L) |
530 |
850 |
1380 |
|
Long-term total chlorophyll concentrations (µg/L) |
9.7 |
24.4 |
117.0 |
|
Long-term Secchi depth (ft) |
1.5 |
3.0 |
4.5 |
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 |
49 |
1170 |
30.7 |
2.0 |
|
Feb-20-99 |
45 |
1160 |
40.0 |
2.0 |
|
Mar-20-99 |
36 |
970 |
15.0 |
4.0 |
|
Apr-24-99 |
39 |
910 |
13.3 |
3.5 |
|
May-15-99 |
42 |
910 |
15.3 |
3.0 |
|
Jun-20-99 |
40 |
780 |
36.3 |
1.7 |
|
Jul-17-99 |
27 |
580 |
14.0 |
3.0 |
|
Aug-21-99 |
32 |
610 |
15.3 |
2.8 |
|
Sep-19-99 |
26 |
560 |
11.7 |
3.3 |
|
Oct-23-99 |
29 |
590 |
9.7 |
3.0 |
|
Nov-13-99 |
29 |
530 |
16.0 |
3.5 |
|
Dec-18-99 |
32 |
740 |
20.7 |
3.0 |
|
|
|
|
|
|
|
1999 Average |
35 |
790 |
19.8 |
2.9 |