Prairie (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°39'29", Longitude 81°21'8"
Period of record: 48 sampling dates; June 28, 1995 to December 22, 1999
Surface area (Shafer et al. 1986): 124 acres / 50 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Casselberry-Oviedo-Geneva-Chuluota Hills division of the Central Lake District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 48 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
18 |
30 |
|
Long-term total nitrogen concentrations (µg/L) |
460 |
630 |
920 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.0 |
8.9 |
15.3 |
|
Long-term Secchi depth (ft) |
4.3 |
6.2 |
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 |
|
Jan-31-99 |
21 |
690 |
12.3 |
5.0 |
|
Feb-27-99 |
16 |
660 |
7.0 |
6.0 |
|
Mar-29-99 |
19 |
600 |
6.0 |
7.0 |
|
Apr-27-99 |
17 |
620 |
5.0 |
7.0 |
|
May-27-99 |
23 |
600 |
6.0 |
5.0 |
|
Jul-29-99 |
13 |
610 |
7.7 |
6.0 |
|
Aug-30-99 |
12 |
760 |
7.0 |
7.0 |
|
Sep-30-99 |
13 |
670 |
12.0 |
6.0 |
|
Oct-31-99 |
16 |
780 |
11.0 |
6.0 |
|
Dec-22-99 |
23 |
750 |
13.3 |
5.5 |
|
|
|
|
|
|
|
1999 Average |
17 |
670 |
8.7 |
6.0 |