Dinner (Highlands County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 27°30'56", Longitude 81°26'39"

Period of record: 3 sampling dates; March 16, 1996 to September 22, 1999

Surface area (LAKEWATCH): 420 acres / 170 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Supplemental, unpublished water chemistry data, University of Florida.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 4 months sampled:
 
pH
8.1
 Sulfate (mg/L)
26.9
Total alkalinity (mg/L as CaCO3)
36.2
 Calcium (mg/L)
12.2
Conductance (µS/cm @ 25 °C)
179
 Magnesium (mg/L)
22.4
Color (Pt-Co units)
4
 Sodium (mg/L)
9.8
Chloride (mg/L)
16.4
 Potassium (mg/L)
4.8
Silicon (mg/L)
0.4
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 3 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
8
8
8
Long-term total nitrogen concentrations (µg/L)
440
550
630
Long-term total chlorophyll concentrations (µg/L)
1.7
4.4
6.0
Long-term Secchi depth (ft)
8.0
12.4
20.3

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
Aug-18-99
8
440
5.7
8.8
Sep-22-99
8
580
6.0
8.0
         
1999 Average
8
510
5.8
8.4

Dinner (Highlands County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on August 5, 1996

Percent area covered with aquatic vegetation (PAC, %)
44
Percent of lake's volume filled with vegetation (PVI, %)
15
Average emergent plant biomass (kg wet wt/m2)
3.2
Average floating-leaved plant biomass (kg wet wt/m2)
0.1
Average submersed plant biomass (kg wet wt/m2)
1.7
Average width of emergent and floating-leaved zone (ft.)
65
Average lake depth (m)
5

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

Common Name Plant Species
Frequency (%)
cat-tail Typha spp.
90
torpedograss Panicum repens
80
respuinata bladderwort Utricularia resupinata
70
Illinois pondweed Potamogeton illinoensis
60
musk-grass Chara spp.
60
rush fuirena Fuirena scirpoidea
60
Brazilian pepper Schinus terebinthifolius
50
Australian pine Casuarina equisetifolia
50
water primrose Ludwigia octovalvis
40
slender spikerush Eleocharis baldwinii
30
fragrant water-lily Nymphaea odorata
30
wax myrtle Myrica cerifera
30
melaleuca Melaleuca quinquenervia
30
willow Salix spp.
30
maidencane Panicum hemitomon
30
giant spikerush Eleocharis interstincta
30
water spinach Ipomoea aquatica
20
pickerelweed Pontederia cordata
20
buttonbush Cephalanthus occidentalis
20
flat-sedge Cyperus odoratus
20
alligator-weed Alternanthera philoxeroides
10
water-pennywort Hydrocotyle umbellata
10
dwarf arrowhead Sagittaria subulata
10
hydrilla Hydrilla verticillata
10
salt-bush Baccharis spp.
10
bald cypress Taxodium distichum
10
cogon grass Imperata cylindrica
10

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