East Crooked (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°50'0", Longitude 81°39'56"
Period of record: 63 sampling dates; January 21, 1990 to July 5, 1999
Surface area (Shafer et al. 1986): 152 acres / 62 hectacres
Lake Region (Griffith et al. 1997): Mount Dora Ridge
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Central Lakes division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 2 months sampled:
|
pH |
7.6 |
Sulfate (mg/L) |
58.2 |
|
Total alkalinity (mg/L as CaCO3) |
48.0 |
Calcium (mg/L) |
23.2 |
|
Conductance (µS/cm @ 25 °C) |
334 |
Magnesium (mg/L) |
12.0 |
|
Color (Pt-Co units) |
4 |
Sodium (mg/L) |
9.5 |
|
Chloride (mg/L) |
27.2 |
Potassium (mg/L) |
16.5 |
|
Silicon (mg/L) |
0.9 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 63 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
4 |
7 |
11 |
|
Long-term total nitrogen concentrations (µg/L) |
480 |
750 |
1170 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
4.2 |
7.0 |
|
Long-term Secchi depth (ft) |
6.8 |
11.6 |
18.7 |
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 |
5 |
800 |
3.0 |
18.7 |
|
Mar-27-99 |
7 |
660 |
4.0 |
17.7 |
|
Apr-25-99 |
8 |
570 |
1.0 |
13.0 |
|
Jul-05-99 |
9 |
560 |
4.0 |
12.7 |
|
|
|
|
|
|
|
1999 Average |
7 |
650 |
3.0 |
15.5 |