Susan (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°31'3", Longitude 81°45'30"
Period of record: 6 sampling dates; May 9, 1990 to February 29, 1992
Surface area (Shafer et al. 1986): 81 acres / 33 hectacres
Lake Region (Griffith et al. 1997): Clermont Uplands
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Supplemental, unpublished water chemistry data, University of Florida.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 6 months sampled:
|
pH |
5.3 |
Sulfate (mg/L) |
7.0 |
|
Total alkalinity (mg/L as CaCO3) |
1.6 |
Calcium (mg/L) |
3.8 |
|
Conductance (µS/cm @ 25 °C) |
83 |
Magnesium (mg/L) |
5.9 |
|
Color (Pt-Co units) |
206 |
Sodium (mg/L) |
7.8 |
|
Chloride (mg/L) |
18.0 |
Potassium (mg/L) |
1.3 |
|
Silicon (mg/L) |
1.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 6 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
13 |
16 |
24 |
|
Long-term total nitrogen concentrations (µg/L) |
620 |
780 |
980 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.7 |
6.2 |
8.3 |
|
Long-term Secchi depth (ft) |
3.5 |
4.5 |
6.9 |
Florida LAKEWATCH data were not collected in 1999.
Susan (Lake County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 10, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
2 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
0 |
|
Average emergent plant biomass (kg wet wt/m2) |
3.0 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.4 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
9 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
maidencane |
Panicum hemitomon |
90 |
|
duck-potato |
Sagittaria lancifolia |
80 |
|
bald cypress |
Taxodium distichum |
80 |
|
buttonbush |
Cephalanthus occidentalis |
50 |
|
water primrose |
Ludwigia octovalvis |
40 |
|
para grass |
Brachiaria mutica |
40 |
|
pickerelweed |
Pontederia cordata |
30 |
|
spatterdock |
Nuphar luteum |
20 |
|
red ludwigia |
Ludwigia repens |
20 |
|
sawgrass |
Cladium jamaicense |
20 |
|
red root |
Lachnanthes caroliniana |
20 |
|
floating water-hyacinth |
Eichhornia crassipes |
10 |
|
fragrant water-lily |
Nymphaea odorata |
10 |
|
elephant-ear |
Colocasia esculenta |
10 |
|
willow |
Salix spp. |
10 |
|
torpedograss |
Panicum repens |
10 |
|
musk-grass |
Chara spp. |
10 |
|
yellow-eyed grass |
Xyris spp. |
10 |
|
spider-lily |
Hymenocallis spp. |
10 |
|
rush spp. |
Juncus dichotomus |
10 |