Rabama (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°31'15", Longitude 81°19'44"
Period of record: 21 sampling dates; February 17, 1991 to November 15, 1997
Surface area : No data available.
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Orlando Promontory division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 2 months sampled:
|
pH |
7.8 |
Sulfate (mg/L) |
20.5 |
|
Total alkalinity (mg/L as CaCO3) |
56.5 |
Calcium (mg/L) |
26.8 |
|
Conductance (µS/cm @ 25 °C) |
215 |
Magnesium (mg/L) |
3.0 |
|
Color (Pt-Co units) |
26 |
Sodium (mg/L) |
7.0 |
|
Chloride (mg/L) |
15.3 |
Potassium (mg/L) |
3.7 |
|
Silicon (mg/L) |
0.7 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 21 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
15 |
37 |
74 |
|
Long-term total nitrogen concentrations (µg/L) |
390 |
660 |
1300 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.3 |
37.4 |
93.3 |
|
Long-term Secchi depth (ft) |
3.0 |
6.5 |
20.0 |
Florida LAKEWATCH data were not collected in 1999.
Rabama (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on August 9, 1994
|
Percent area covered with aquatic vegetation (PAC, %) |
6 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
1 |
|
Average emergent plant biomass (kg wet wt/m2) |
0.5 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.0 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
6 |
|
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 |
50 |
|
cat-tail |
Typha spp. |
40 |
|
wax myrtle |
Myrica cerifera |
40 |
|
common duckweed |
Lemna minor |
20 |
|
torpedograss |
Panicum repens |
20 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
smartweed |
Polygonum hydropiperoides |
10 |
|
bacopa |
Bacopa monnieri |
10 |