Blue (Highlands County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 27°26'7", Longitude 81°30'42"
Period of record: 25 sampling dates; September 13, 1995 to January 30, 1999
Surface area (LAKEWATCH): 26 acres / 11 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.0 |
Sulfate (mg/L) |
17.0 |
|
Total alkalinity (mg/L as CaCO3) |
8.7 |
Calcium (mg/L) |
11.0 |
|
Conductance (µS/cm @ 25 °C) |
182 |
Magnesium (mg/L) |
3.5 |
|
Color (Pt-Co units) |
7 |
Sodium (mg/L) |
13.0 |
|
Chloride (mg/L) |
25.2 |
Potassium (mg/L) |
4.4 |
|
Silicon (mg/L) |
1.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 25 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
5 |
10 |
14 |
|
Long-term total nitrogen concentrations (µg/L) |
250 |
520 |
810 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
4.4 |
9.3 |
|
Long-term Secchi depth (ft) |
6.3 |
11.8 |
17.6 |
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-30-99 |
11 |
540 |
3.7 |
12.3 |
|
|
|
|
|
|
|
1999 Average |
11 |
540 |
3.7 |
12.3 |
Blue (Highlands County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on August 6, 1996
|
Percent area covered with aquatic vegetation (PAC, %) |
8 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
1 |
|
Average emergent plant biomass (kg wet wt/m2) |
2.5 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.4 |
|
Average width of emergent and floating-leaved zone (ft.) |
15 |
|
Average lake depth (m) |
5 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water spinach |
Ipomoea aquatica |
80 |
|
water primrose |
Ludwigia octovalvis |
80 |
|
maidencane |
Panicum hemitomon |
70 |
|
slender spikerush |
Eleocharis baldwinii |
50 |
|
red ludwigia |
Ludwigia repens |
40 |
|
water-pennywort |
Hydrocotyle umbellata |
40 |
|
melaleuca |
Melaleuca quinquenervia |
40 |
|
buttonbush |
Cephalanthus occidentalis |
40 |
|
torpedograss |
Panicum repens |
40 |
|
pickerelweed |
Pontederia cordata |
30 |
|
rush fuirena |
Fuirena scirpoidea |
30 |
|
flat sedge |
Cyperus polystachyos |
30 |
|
bulrush spp. |
Juncus spp. |
30 |
|
dwarf arrowhead |
Sagittaria subulata |
20 |
|
wax myrtle |
Myrica cerifera |
20 |
|
cat-tail |
Typha spp. |
10 |
|
elephant-ear |
Colocasia esculenta |
10 |
|
salt-bush |
Baccharis spp. |
10 |
|
willow |
Salix spp. |
10 |
|
sawgrass |
Cladium jamaicense |
10 |
|
sedge spp. |
Cyperus spp. |
10 |
|
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|
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