Persimmon (Highlands County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 27°21'16", Longitude 81°24'27"

Period of record: 67 sampling dates; April 15, 1994 to December 13, 1999

Surface area (LAKEWATCH): 44 acres / 18 hectacres     Bathymetric Map

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Supplemental, unpublished water chemistry data, University of Florida.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
8.9
 Sulfate (mg/L)
56.7
Total alkalinity (mg/L as CaCO3)
36.3
 Calcium (mg/L)
19.0
Conductance (µS/cm @ 25 °C)
346
 Magnesium (mg/L)
15.0
Color (Pt-Co units)
21
 Sodium (mg/L)
12.0
Chloride (mg/L)
42.0
 Potassium (mg/L)
16.3
Silicon (mg/L)
4.8
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 67 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
19
35
48
Long-term total nitrogen concentrations (µg/L)
2830
3400
3940
Long-term total chlorophyll concentrations (µg/L)
36.0
86.2
118.3
Long-term Secchi depth (ft)
0.6
1.1
1.8

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-18-99
37
3340
98.7
0.9
Feb-22-99
40
3290
93.7
0.9
Mar-22-99
42
3350
95.7
0.8
Apr-19-99
35
3290
94.7
0.7
May-24-99
40
3240
115.7
0.8
Jun-22-99
35
3190
95.0
0.8
Jul-20-99
39
3410
113.7
0.8
Aug-10-99
35
3380
112.0
0.8
Sep-14-99
29
3230
70.7
1.2
Oct-19-99
34
3300
79.0
1.2
Nov-23-99
37
3630
82.7
1.0
Dec-13-99
38
3620
86.3
1.0
         
1999 Average
37
3360
94.8
0.9

 

Persimmon (Highlands County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on August 10, 1994

Percent area covered with aquatic vegetation (PAC, %)
6
Percent of lake's volume filled with vegetation (PVI, %)
2
Average emergent plant biomass (kg wet wt/m2)
1.5
Average floating-leaved plant biomass (kg wet wt/m2)
0.2
Average submersed plant biomass (kg wet wt/m2)
0.0
Average width of emergent and floating-leaved zone (ft.)
28
Average lake depth (m)
2

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

Common Name Plant Species
Frequency (%)
torpedograss Panicum repens
80
duck-potato Sagittaria lancifolia
70
water primrose Ludwigia octovalvis
60
square-stem spikerush Eleocharis quadrangulata
50
cat-tail Typha spp.
40
wax myrtle Myrica cerifera
40
pickerelweed Pontederia cordata
30
buttonbush Cephalanthus occidentalis
30
flat-sedge Cyperus odoratus
30
rush fuirena Fuirena scirpoidea
30
spatterdock Nuphar luteum
20
water-pennywort Hydrocotyle umbellata
20
maidencane Panicum hemitomon
20
leconte sedge Cyperus lecontei
20
respuinata bladderwort Utricularia resupinata
20
baby-tears Micranthemum umbrosum
10
salt-bush Baccharis spp.
10
. Juncus scirpoides
10

 

Persimmon (Highlands County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 9, 1996

Percent area covered with aquatic vegetation (PAC, %)
18
Percent of lake's volume filled with vegetation (PVI, %)
5
Average emergent plant biomass (kg wet wt/m2)
2.1
Average floating-leaved plant biomass (kg wet wt/m2)
0.3
Average submersed plant biomass (kg wet wt/m2)
0.0
Average width of emergent and floating-leaved zone (ft.)
28
Average lake depth (m)
2

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

Common Name Plant Species
Frequency (%)
duck-potato Sagittaria lancifolia
80
water primrose Ludwigia octovalvis
70
rush fuirena Fuirena scirpoidea
60
wax myrtle Myrica cerifera
50
buttonbush Cephalanthus occidentalis
50
cat-tail Typha spp.
40
torpedograss Panicum repens
30
giant spikerush Eleocharis interstincta
30
spatterdock Nuphar luteum
20
pickerelweed Pontederia cordata
20
water-pennywort Hydrocotyle umbellata
20
maidencane Panicum hemitomon
20
slender spikerush Eleocharis baldwinii
10
bacopa Bacopa monnieri
10
salt-bush Baccharis spp.
10
para grass Brachiaria mutica
10
musk-grass Chara spp.
10
southern cutgrass Leersia hexandra
10
umbrella sedge Cyperus alternifolius
10
elderberry Sambucus canadensis
10
nut-rush Scleria spp.
10
cogon grass Imperata cylindrica
10

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