East Crystal (Seminole County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°46'2", Longitude 81°18'54"
Period of record: 99 sampling dates; August 22, 1991 to December 20, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
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 99 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
6 |
13 |
26 |
|
Long-term total nitrogen concentrations (µg/L) |
540 |
770 |
1100 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.3 |
5.0 |
23.3 |
|
Long-term Secchi depth (ft) |
5.8 |
8.5 |
14.0 |
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 |
|
Jan-26-99 |
10 |
700 |
5.3 |
. |
|
Feb-28-99 |
14 |
640 |
4.7 |
. |
|
Mar-25-99 |
10 |
650 |
1.3 |
. |
|
Apr-25-99 |
13 |
790 |
1.3 |
. |
|
May-22-99 |
10 |
790 |
1.3 |
. |
|
Jun-27-99 |
8 |
590 |
1.7 |
. |
|
Jul-28-99 |
12 |
750 |
2.0 |
. |
|
Aug-23-99 |
12 |
630 |
2.7 |
11.0 |
|
Sep-23-99 |
22 |
800 |
4.3 |
8.0 |
|
Oct-21-99 |
16 |
980 |
8.0 |
8.0 |
|
Nov-22-99 |
16 |
1040 |
4.0 |
8.0 |
|
Dec-20-99 |
17 |
1100 |
6.3 |
8.5 |
|
|
|
|
|
|
|
1999 Average |
13 |
790 |
3.6 |
8.7 |