Hamilton (Polk County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°2'44", Longitude 81°39'18"
Period of record: 24 sampling dates; January 27, 1991 to December 4, 1994
Surface area (Shafer et al. 1986): No data available.
Lake Region (Griffith et al. 1997): Southwestern Flatlands
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Winter Haven Karst 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.3 |
Sulfate (mg/L) |
37.0 |
|
Total alkalinity (mg/L as CaCO3) |
12.0 |
Conductance (µS/cm @ 25 °C) |
269 |
|
Color (Pt-Co units) |
62 |
Chloride (mg/L) |
44.0 |
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 24 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
40 |
117 |
176 |
|
Long-term total nitrogen concentrations (µg/L) |
560 |
960 |
1290 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.3 |
7.1 |
14.3 |
|
Long-term Secchi depth (ft) |
2.2 |
3.4 |
5.0 |
Florida LAKEWATCH data were not collected in 1999.
Hamilton (Polk County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on August 12, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
34 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
3 |
|
Average emergent plant biomass (kg wet wt/m2) |
9.1 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
3.0 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
262 |
|
Average lake depth (m) |
2 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water primrose |
Ludwigia octovalvis |
100 |
|
cat-tail |
Typha spp. |
90 |
|
alligator-weed |
Alternanthera philoxeroides |
80 |
|
water-pennywort |
Hydrocotyle umbellata |
80 |
|
willow |
Salix spp. |
70 |
|
giant bulrush |
Scirpus californicus |
70 |
|
torpedograss |
Panicum repens |
60 |
|
water-lettuce |
Pistia stratiotes |
50 |
|
baby-tears |
Micranthemum umbrosum |
50 |
|
spatterdock |
Nuphar luteum |
40 |
|
para grass |
Brachiaria mutica |
40 |
|
duck-potato |
Sagittaria lancifolia |
30 |
|
slender spikerush |
Eleocharis baldwinii |
30 |
|
pickerelweed |
Pontederia cordata |
30 |
|
smartweed |
Polygonum hydropiperoides |
20 |
|
melaleuca |
Melaleuca quinquenervia |
20 |
|
maidencane |
Panicum hemitomon |
20 |
|
Baldwin flat sedge |
Cyperus globulosus |
20 |
|
red-root flat sedge |
Cyperus erythrorhizos |
20 |
|
floating water-hyacinth |
Eichhornia crassipes |
10 |
|
common salvinia |
Salvinia rotundifolia |
10 |
|
American lotus |
Nelumbo lutea |
10 |
|
wax myrtle |
Myrica cerifera |
10 |
|
jointed flat sedge |
Cyperus haspan |
10 |
|
big rose mallow |
Hibiscus grandiflorus |
10 |