Waunatta (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°36'9", Longitude 81°16'44"
Period of record: 68 sampling dates; March 14, 1991 to December 30, 1999
Surface area (Shafer et al. 1986): 68 acres / 28 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Casselberry-Oviedo-Geneva-Chuluota Hills 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Supplemental, unpublished water chemistry data, University of Florida.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 |
8.2 |
Sulfate (mg/L) |
4.9 |
|
Total alkalinity (mg/L as CaCO3) |
34.0 |
Calcium (mg/L) |
13.0 |
|
Conductance (µS/cm @ 25 °C) |
131 |
Magnesium (mg/L) |
2.0 |
|
Color (Pt-Co units) |
23 |
Sodium (mg/L) |
7.7 |
|
Chloride (mg/L) |
15.5 |
Potassium (mg/L) |
1.1 |
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 68 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
9 |
16 |
26 |
|
Long-term total nitrogen concentrations (µg/L) |
260 |
420 |
630 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
5.0 |
14.7 |
|
Long-term Secchi depth (ft) |
6.0 |
8.5 |
12.5 |
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 |
16 |
610 |
8.3 |
7.5 |
|
Feb-28-99 |
15 |
350 |
5.7 |
6.7 |
|
Mar-31-99 |
18 |
360 |
6.7 |
7.5 |
|
Apr-30-99 |
21 |
500 |
14.7 |
6.0 |
|
May-31-99 |
16 |
330 |
9.3 |
6.0 |
|
Jun-27-99 |
20 |
420 |
11.0 |
7.0 |
|
Aug-31-99 |
14 |
480 |
5.7 |
7.0 |
|
Sep-30-99 |
17 |
580 |
8.7 |
7.0 |
|
Oct-31-99 |
18 |
490 |
10.0 |
6.0 |
|
Nov-28-99 |
19 |
630 |
6.3 |
6.3 |
|
Dec-30-99 |
17 |
540 |
8.7 |
6.0 |
|
|
|
|
|
|
|
1999 Average |
17 |
480 |
8.6 |
6.6 |
Waunatta (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on May 27, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
2 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
0 |
|
Average emergent plant biomass (kg wet wt/m2) |
2.1 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.2 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
28 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
fragrant water-lily |
Nymphaea odorata |
100 |
|
water primrose |
Ludwigia octovalvis |
100 |
|
duck-potato |
Sagittaria lancifolia |
90 |
|
banana-lily |
Nymphoides aquatica |
90 |
|
torpedograss |
Panicum repens |
70 |
|
sawgrass |
Cladium jamaicense |
60 |
|
pickerelweed |
Pontederia cordata |
40 |
|
buttonbush |
Cephalanthus occidentalis |
30 |
|
cat-tail |
Typha spp. |
20 |
|
water-pennywort |
Hydrocotyle umbellata |
20 |
|
willow |
Salix spp. |
20 |
|
flat-sedge |
Cyperus odoratus |
20 |
|
para grass |
Brachiaria mutica |
20 |
|
rush spp. |
Juncus dichotomus |
20 |
|
jointed flat sedge |
Cyperus haspan |
20 |
|
. |
Cyperus strigosus |
20 |
|
caric sedge |
Carex albolutescens |
20 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
spatterdock |
Nuphar luteum |
10 |
|
red ludwigia |
Ludwigia repens |
10 |