Idlewild (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°52'35", Longitude 81°53'2"
Period of record: 44 sampling dates; August 30, 1990 to June 23, 1994
Surface area (Shafer et al. 1986): 24 acres / 10 hectacres
Lake Region (Griffith et al. 1997): Central Valley
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Supplemental, unpublished water chemistry data, University of Florida.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 3 months sampled:
|
pH |
6.9 |
Sulfate (mg/L) |
5.3 |
|
Total alkalinity (mg/L as CaCO3) |
12.8 |
Calcium (mg/L) |
2.6 |
|
Conductance (µS/cm @ 25 °C) |
105 |
Magnesium (mg/L) |
5.6 |
|
Color (Pt-Co units) |
61 |
Sodium (mg/L) |
6.9 |
|
Chloride (mg/L) |
19.9 |
Potassium (mg/L) |
2.0 |
|
Silicon (mg/L) |
1.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 44 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
7 |
15 |
26 |
|
Long-term total nitrogen concentrations (µg/L) |
730 |
1070 |
1600 |
|
Long-term total chlorophyll concentrations (µg/L) |
4.3 |
10.1 |
19.3 |
|
Long-term Secchi depth (ft) |
2.3 |
4.9 |
7.0 |
Florida LAKEWATCH data were not collected in 1999.
Idlewild (Lake County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 16, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
18 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
2 |
|
Average emergent plant biomass (kg wet wt/m2) |
2.0 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.7 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
15 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
spider-grass |
Websteria confervoides |
100 |
|
spatterdock |
Nuphar luteum |
70 |
|
maidencane |
Panicum hemitomon |
60 |
|
fragrant water-lily |
Nymphaea odorata |
40 |
|
buttonbush |
Cephalanthus occidentalis |
40 |
|
water-pennywort |
Hydrocotyle umbellata |
30 |
|
wax myrtle |
Myrica cerifera |
30 |
|
slender spikerush |
Eleocharis baldwinii |
20 |
|
pickerelweed |
Pontederia cordata |
20 |
|
dwarf arrowhead |
Sagittaria subulata |
20 |
|
salt-bush |
Baccharis spp. |
20 |
|
sawgrass |
Cladium jamaicense |
20 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
water primrose |
Ludwigia octovalvis |
10 |
|
giant reed |
Phragmites australis |
10 |