Denton (Highlands County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 27°33'24", Longitude 81°29'22"

Period of record: 39 sampling dates; February 22, 1996 to December 30, 1999

Surface area (LAKEWATCH): 69 acres / 28 hectacres     Bathymetric Map

Lake Region (Griffith et al. 1997): Southern Lake Wales Ridge

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Supplemental, unpublished water chemistry data, University of Florida.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
8.1
 Sulfate (mg/L)
30.0
Total alkalinity (mg/L as CaCO3)
41.0
 Calcium (mg/L)
19.3
Conductance (µS/cm @ 25 °C)
290
 Magnesium (mg/L)
11.0
Color (Pt-Co units)
3
 Sodium (mg/L)
5.9
Chloride (mg/L)
12.0
 Potassium (mg/L)
12.0
Silicon (mg/L)
0.6
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 39 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
2
4
6
Long-term total nitrogen concentrations (µg/L)
2090
2810
3750
Long-term total chlorophyll concentrations (µg/L)
1.0
1.8
3.0
Long-term Secchi depth (ft)
15.0
22.5
30.0

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-13-99
2
2280
1.0
25.0
Feb-26-99
4
2600
1.0
29.0
Mar-30-99
3
2670
1.0
26.0
May-29-99
4
2600
2.0
22.0
Jul-23-99
4
2290
2.0
20.0
Aug-24-99
4
2130
2.3
20.0
Sep-28-99
4
2250
2.0
18.0
Dec-30-99
5
2390
1.0
30.0
         
1999 Average
4
2400
1.5
23.8

Denton (Highlands County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 24, 1996

Percent area covered with aquatic vegetation (PAC, %)
13
Percent of lake's volume filled with vegetation (PVI, %)
2
Average emergent plant biomass (kg wet wt/m2)
2.5
Average floating-leaved plant biomass (kg wet wt/m2)
0.0
Average submersed plant biomass (kg wet wt/m2)
1.2
Average width of emergent and floating-leaved zone (ft.)
62
Average lake depth (m)
8

Frequency that plant species occur in 10 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
torpedograss Panicum repens
100
rush fuirena Fuirena scirpoidea
50
St. John's wort Hypericum spp.
50
respuinata bladderwort Utricularia resupinata
50
water-pennywort Hydrocotyle umbellata
30
slender spikerush Eleocharis baldwinii
20
bog-moss Mayaca fluviatilis
20
wax myrtle Myrica cerifera
20
water primrose Ludwigia octovalvis
20
buttonbush Cephalanthus occidentalis
20
musk-grass Chara spp.
20
jointed flat sedge Cyperus haspan
20
alligator-weed Alternanthera philoxeroides
10
red ludwigia Ludwigia repens
10
bacopa Bacopa monnieri
10
dwarf arrowhead Sagittaria subulata
10
cone-spur bladderwort Utricularia gibba
10
salt-bush Baccharis spp.
10
maidencane Panicum hemitomon
10
yellow-eyed grass Xyris spp.
10
bald cypress Taxodium distichum
10
coinwort Centella asiatica
10

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