Charlotte (Highlands County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 27°25'58", Longitude 81°27'2"
Period of record: 61 sampling dates; January 4, 1995 to December 12, 1999
Surface area (LAKEWATCH): 314 acres / 127 hectacres
Lake Region (Griffith et al. 1997): Lake Wales Ridge Transition
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered beach and dune sand with some clay lenses of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Eastern Complex of the Central Ridge subdivision of the Lake Wales Ridge division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
5.2 |
Sulfate (mg/L) |
9.6 |
|
Total alkalinity (mg/L as CaCO3) |
0.0 |
Calcium (mg/L) |
3.3 |
|
Conductance (µS/cm @ 25 °C) |
73 |
Magnesium (mg/L) |
1.2 |
|
Color (Pt-Co units) |
43 |
Sodium (mg/L) |
6.6 |
|
Chloride (mg/L) |
14.7 |
Potassium (mg/L) |
1.1 |
|
Silicon (mg/L) |
0.1 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 61 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
59 |
104 |
142 |
|
Long-term total nitrogen concentrations (µg/L) |
300 |
520 |
900 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
11.2 |
41.7 |
|
Long-term Secchi depth (ft) |
1.5 |
3.9 |
7.7 |
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-17-99 |
135 |
550 |
6.3 |
3.5 |
|
Feb-19-99 |
126 |
470 |
11.0 |
3.0 |
|
Mar-21-99 |
111 |
490 |
5.0 |
3.0 |
|
Apr-18-99 |
117 |
460 |
7.0 |
4.0 |
|
May-23-99 |
114 |
570 |
10.3 |
3.5 |
|
Jun-19-99 |
104 |
460 |
14.0 |
4.5 |
|
Jul-11-99 |
93 |
500 |
9.3 |
4.0 |
|
Aug-18-99 |
80 |
600 |
17.0 |
3.0 |
|
Sep-17-99 |
113 |
620 |
41.7 |
3.0 |
|
Oct-17-99 |
119 |
580 |
14.0 |
3.5 |
|
Nov-21-99 |
125 |
600 |
11.0 |
3.5 |
|
Dec-12-99 |
123 |
680 |
17.7 |
3.3 |
|
|
|
|
|
|
|
1999 Average |
113 |
550 |
13.7 |
3.5 |
Charlotte (Highlands County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 10, 1996
|
Percent area covered with aquatic vegetation (PAC, %) |
26 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
4 |
|
Average emergent plant biomass (kg wet wt/m2) |
0.9 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.7 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.2 |
|
Average width of emergent and floating-leaved zone (ft.) |
90 |
|
Average lake depth (m) |
4 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
slender spikerush |
Eleocharis baldwinii |
100 |
|
spatterdock |
Nuphar luteum |
100 |
|
pickerelweed |
Pontederia cordata |
100 |
|
maidencane |
Panicum hemitomon |
90 |
|
wax myrtle |
Myrica cerifera |
80 |
|
torpedograss |
Panicum repens |
70 |
|
water-pennywort |
Hydrocotyle umbellata |
60 |
|
azolla |
Azolla caroliniana |
50 |
|
para grass |
Brachiaria mutica |
50 |
|
common salvinia |
Salvinia rotundifolia |
40 |
|
melaleuca |
Melaleuca quinquenervia |
40 |
|
water primrose |
Ludwigia octovalvis |
40 |
|
southern water-grass |
Hydrochloa caroliniensis |
40 |
|
red root |
Lachnanthes caroliniana |
30 |
|
beak rush |
Rhynchospora mixta |
30 |
|
water-moss |
Fontinalis spp. |
20 |
|
rush fuirena |
Fuirena scirpoidea |
20 |
|
red ludwigia |
Ludwigia repens |
10 |
|
cat-tail |
Typha spp. |
10 |
|
cone-spur bladderwort |
Utricularia gibba |
10 |
|
buttonbush |
Cephalanthus occidentalis |
10 |
|
flat-sedge |
Cyperus odoratus |
10 |
|
giant bulrush |
Scirpus californicus |
10 |
|
pipewort |
Eriocaulon spp. |
10 |