Concord (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°40'27", Longitude 81°20'7"
Period of record: 27 sampling dates; May 30, 1996 to October 25, 1999
Surface area (Shafer et al. 1986): 20 acres / 8 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 27 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
26 |
41 |
67 |
|
Long-term total nitrogen concentrations (µg/L) |
400 |
690 |
1470 |
|
Long-term total chlorophyll concentrations (µg/L) |
7.0 |
27.5 |
80.3 |
|
|
2.0 |
3.8 |
5.3 |
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-21-99 |
54 |
720 |
36.0 |
3.7 |
|
Feb-25-99 |
67 |
820 |
35.7 |
3.0 |
|
Mar-25-99 |
60 |
890 |
30.7 |
3.0 |
|
Apr-30-99 |
44 |
780 |
35.3 |
3.3 |
|
May-31-99 |
44 |
620 |
12.7 |
4.3 |
|
Jun-29-99 |
34 |
530 |
21.7 |
3.0 |
|
Jul-22-99 |
30 |
480 |
10.7 |
5.3 |
|
Aug-10-99 |
35 |
540 |
16.3 |
3.0 |
|
Sep-17-99 |
34 |
530 |
15.3 |
3.0 |
|
Oct-25-99 |
50 |
660 |
33.0 |
2.0 |
|
|
|
|
|
|
|
1999 Average |
45 |
660 |
24.7 |
3.4 |