Dot (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°33'8", Longitude 81°23'13"
Period of record: 81 sampling dates; March 24, 1992 to December 7, 1999
Surface area (Shafer et al. 1986): 5 acres / 2 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.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 81 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
4 |
33 |
67 |
|
Long-term total nitrogen concentrations (µg/L) |
350 |
770 |
1080 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
21.8 |
67.3 |
|
Long-term Secchi depth (ft) |
1.0 |
4.9 |
11.3 |
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 |
|
Jan-19-99 |
61 |
1060 |
25.7 |
5.2 |
|
Feb-09-99 |
66 |
1010 |
67.3 |
4.5 |
|
Apr-06-99 |
55 |
880 |
40.3 |
3.8 |
|
May-04-99 |
55 |
800 |
7.3 |
2.8 |
|
May-28-99 |
67 |
650 |
26.7 |
. |
|
Aug-31-99 |
25 |
490 |
33.7 |
3.5 |
|
Sep-23-99 |
37 |
550 |
28.7 |
4.7 |
|
Oct-05-99 |
21 |
550 |
17.3 |
3.5 |
|
Nov-09-99 |
8 |
640 |
1.0 |
10.0 |
|
Dec-07-99 |
23 |
1040 |
13.0 |
5.2 |
|
|
|
|
|
|
|
1999 Average |
42 |
770 |
26.1 |
4.8 |