Lady (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°55'1", Longitude 81°53'53"
Period of record: 33 sampling dates; May 21, 1990 to August 18, 1993
Surface area (Shafer et al. 1986): 234 acres / 95 hectacres
Lake Region (Griffith et al. 1997): Lake Weir/Leesburg Upland
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Supplemental, unpublished water chemistry data, University of Florida.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 |
5.3 |
Sulfate (mg/L) |
23.6 |
|
Total alkalinity (mg/L as CaCO3) |
0.2 |
Calcium (mg/L) |
4.8 |
|
Conductance (µS/cm @ 25 °C) |
132 |
Magnesium (mg/L) |
3.5 |
|
Color (Pt-Co units) |
7 |
Sodium (mg/L) |
11.8 |
|
Chloride (mg/L) |
19.7 |
Potassium (mg/L) |
2.0 |
|
Silicon (mg/L) |
0.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 33 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
3 |
9 |
13 |
|
Long-term total nitrogen concentrations (µg/L) |
340 |
470 |
600 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
3.6 |
13.3 |
|
Long-term Secchi depth (ft) |
4.8 |
7.2 |
11.0 |
Florida LAKEWATCH data were not collected in 1999.
Lady (Lake County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on August 18, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
not sampled |
|
Percent of lake's volume filled with vegetation (PVI, %) |
not sampled |
|
Average emergent plant biomass (kg wet wt/m2) |
0.5 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.4 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.6 |
|
Average width of emergent and floating-leaved zone (ft.) |
9 |
|
Average lake depth (m) |
not sampled |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
slender spikerush |
Eleocharis baldwinii |
100 |
|
water-pennywort |
Hydrocotyle umbellata |
100 |
|
red root |
Lachnanthes caroliniana |
100 |
|
rush fuirena |
Fuirena scirpoidea |
80 |
|
St. John's wort |
Hypericum spp. |
70 |
|
yellow-eyed grass |
Xyris spp. |
70 |
|
bog-moss |
Mayaca fluviatilis |
40 |
|
dwarf arrowhead |
Sagittaria subulata |
30 |
|
maidencane |
Panicum hemitomon |
30 |
|
red ludwigia |
Ludwigia repens |
20 |
|
wax myrtle |
Myrica cerifera |
20 |
|
bog button |
Lachnocaulon spp. |
20 |
|
spatterdock |
Nuphar luteum |
10 |
|
bacopa |
Bacopa monnieri |
10 |
|
cat-tail |
Typha spp. |
10 |
|
southern cutgrass |
Leersia hexandra |
10 |