Sybelia (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°37'39", Longitude 81°22'16"
Period of record: 9 sampling dates; January 17, 1991 to December 26, 1999
Surface area (Shafer et al. 1986): 84 acres / 34 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Orlando Promontory division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.8 |
Total alkalinity (mg/L as CaCO3) |
25.0 |
|
Conductance (µS/cm @ 25 °C) |
154 |
Color (Pt-Co units) |
10 |
|
Chloride (mg/L) |
20.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 9 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
22 |
27 |
32 |
|
Long-term total nitrogen concentrations (µg/L) |
430 |
670 |
930 |
|
Long-term total chlorophyll concentrations (µg/L) |
12.3 |
20.2 |
26.0 |
|
Long-term Secchi depth (ft) |
3.4 |
4.4 |
5.2 |
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 |
|
Jun-30-99 |
29 |
670 |
24.3 |
3.9 |
|
Jul-25-99 |
25 |
740 |
17.7 |
3.4 |
|
Aug-30-99 |
22 |
820 |
21.0 |
4.2 |
|
Sep-29-99 |
28 |
560 |
26.0 |
4.8 |
|
Oct-30-99 |
25 |
540 |
20.0 |
4.3 |
|
Nov-30-99 |
25 |
430 |
12.3 |
4.9 |
|
Dec-26-99 |
25 |
450 |
17.0 |
5.2 |
|
|
|
|
|
|
|
1999 Average |
26 |
600 |
19.8 |
4.4 |