Prairie (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°35'35", Longitude 81°30'34"
Period of record: 24 sampling dates; May 29, 1997 to December 8, 1999
Surface area (Shafer et al. 1986): 37 acres / 15 hectacres
Lake Region (Griffith et al. 1997): Apopka Upland
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 Apopka Hills subdivision of the Apopka Upland division of the Central LakeDistrict.
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) |
18 |
27 |
45 |
|
Long-term total nitrogen concentrations (µg/L) |
620 |
830 |
1180 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.3 |
15.9 |
55.3 |
|
Long-term Secchi depth (ft) |
3.0 |
4.6 |
9.0 |
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 |
|
Mar-16-99 |
25 |
700 |
8.7 |
6.0 |
|
Apr-13-99 |
21 |
750 |
8.7 |
6.0 |
|
May-13-99 |
25 |
760 |
13.3 |
4.0 |
|
Jul-28-99 |
23 |
830 |
. |
4.0 |
|
Aug-03-99 |
22 |
820 |
. |
4.0 |
|
Sep-28-99 |
33 |
900 |
25.7 |
5.0 |
|
Nov-09-99 |
28 |
780 |
9.3 |
3.0 |
|
Dec-08-99 |
26 |
720 |
7.0 |
5.0 |
|
|
|
|
|
|
|
1999 Average |
25 |
780 |
12.1 |
4.6 |