Woods (Seminole County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°38'39", Longitude 81°20'56"

Period of record: 75 sampling dates; September 15, 1993 to December 10, 1999

Surface area (LAKEWATCH): 33 acres / 13 hectacres     Bathymetric Map

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 Orlando Promontory 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Supplemental, unpublished water chemistry data, University of Florida.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
7.7
 Sulfate (mg/L)
8.3
Total alkalinity (mg/L as CaCO3)
42.3
 Calcium (mg/L)
17.0
Conductance (µS/cm @ 25 °C)
157
 Magnesium (mg/L)
2.0
Color (Pt-Co units)
22
 Sodium (mg/L)
8.8
Chloride (mg/L)
17.4
 Potassium (mg/L)
1.9
Silicon (mg/L)
0.9
    

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 75 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
28
41
71
Long-term total nitrogen concentrations (µg/L)
540
800
1930
Long-term total chlorophyll concentrations (µg/L)
15.3
39.7
103.3
Long-term Secchi depth (ft)
1.9
3.5
5.2

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-19-99
38
700
36.0
3.8
Feb-20-99
36
750
31.0
3.0
Mar-17-99
42
710
26.0
3.6
Apr-20-99
42
910
36.3
2.9
May-16-99
38
740
19.0
3.3
Jun-16-99
36
910
29.0
3.2
Jul-15-99
40
900
26.3
3.4
Aug-15-99
39
980
48.3
2.8
Sep-13-99
46
1000
53.3
2.4
Oct-18-99
39
630
40.0
3.7
Nov-16-99
71
980
41.0
2.5
Dec-10-99
46
1020
36.7
3.5
         
1999 Average
43
850
35.3
3.2

 

Woods (Seminole County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on September 27, 1996

Percent area covered with aquatic vegetation (PAC, %)
22
Percent of lake's volume filled with vegetation (PVI, %)
4
Average emergent plant biomass (kg wet wt/m2)
3.2
Average floating-leaved plant biomass (kg wet wt/m2)
18.6
Average submersed plant biomass (kg wet wt/m2)
0.0
Average width of emergent and floating-leaved zone (ft.)
23
Average lake depth (m)
3

 

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

Common Name Plant Species
Frequency (%)
floating water-hyacinth Eichhornia crassipes
90
water spinach Ipomoea aquatica
70
water primrose Ludwigia octovalvis
70
alligator-weed Alternanthera philoxeroides
60
water-pennywort Hydrocotyle umbellata
50
common salvinia Salvinia rotundifolia
40
spatterdock Nuphar luteum
40
willow Salix spp.
40
torpedograss Panicum repens
40
elephant-ear Colocasia esculenta
30
smartweed Polygonum hydropiperoides
20
cat-tail Typha spp.
20
wax myrtle Myrica cerifera
20
buttonbush Cephalanthus occidentalis
20
maidencane Panicum hemitomon
20
common duckweed Lemna minor
10
duck-potato Sagittaria lancifolia
10
banana-lily Nymphoides aquatica
10
red ludwigia Ludwigia repens
10
pickerelweed Pontederia cordata
10
giant bulrush Scirpus californicus
10
para grass Brachiaria mutica
10
bald cypress Taxodium distichum
10
elderberry Sambucus canadensis
10

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