Primavista (Orange County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°33'52", Longitude 81°32'15"

Period of record: 77 sampling dates; July 30, 1992 to December 7, 1999

Surface area (LAKEWATCH): 40 acres / 12 hectacres     Bathymetric Map

Lake Region (Griffith et al. 1997): Apopka Upland

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 Apopka Hills subdivision of the Apopka Upland division of the Central Lake District.
 
 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 77 months sampled:

 
Minimum
Average
Maximum
Long-term total phosphorus concentrations (µg/L)
21
34
107
Long-term total nitrogen concentrations (µg/L)
790
1360
2930
Long-term total chlorophyll concentrations (µg/L)
12.7
33.1
166.0
Long-term Secchi depth (ft)
1.0
3.0
7.0

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
Feb-09-99
36
1110
21.3
3.0
Mar-17-99
34
1250
26.0
3.0
Apr-14-99
27
1260
17.3
3.0
May-13-99
25
1150
23.7
3.0
Jul-28-99
24
1070
21.7
3.0
Aug-03-99
24
1020
23.7
3.0
Sep-27-99
27
1150
49.3
2.0
Nov-09-99
46
1760
63.7
2.0
Dec-07-99
40
1400
44.3
2.0
         
1999 Average
31
1240
32.3
2.7

 

Primavista (Orange County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on May 17, 1994

Percent area covered with aquatic vegetation (PAC, %)
4
Percent of lake's volume filled with vegetation (PVI, %)
2
Average emergent plant biomass (kg wet wt/m2)
3.9
Average floating-leaved plant biomass (kg wet wt/m2)
0.0
Average submersed plant biomass (kg wet wt/m2)
0.6
Average width of emergent and floating-leaved zone (ft.)
15
Average lake depth (m)
4

 

Frequency that plant species occur in 5 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
torpedograss Panicum repens
80
water-pennywort Hydrocotyle umbellata
60
elephant-ear Colocasia esculenta
60
musk-grass Chara spp.
60
cat-tail Typha spp.
40
water primrose Ludwigia octovalvis
40
rush fuirena Fuirena scirpoidea
40
pickerelweed Pontederia cordata
20
tapegrass Vallisneria americana
20
willow Salix spp.
20
maidencane Panicum hemitomon
20

 

Primavista (Orange County)

Florida LAKEWATCH Aquatic Plant Summary

Aquatic plant data collected on July 22, 1999

Percent area covered with aquatic vegetation (PAC, %)
24
Percent of lake's volume filled with vegetation (PVI, %)
8
Average emergent plant biomass (kg wet wt/m2)
5.9
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.)
18
Average lake depth (m)
3

 

Frequency that plant species occur in 5 evenly spaced transects around the lake.

Common Name Plant Species
Frequency (%)
torpedograss Panicum repens
100
water primrose Ludwigia octovalvis
80
cat-tail Typha spp.
60
elephant-ear Colocasia esculenta
60
maidencane Panicum hemitomon
60
elderberry Sambucus canadensis
60
duck-potato Sagittaria lancifolia
20
fragrant water-lily Nymphaea odorata
20
pickerelweed Pontederia cordata
20
water-pennywort Hydrocotyle umbellata
20
wax myrtle Myrica cerifera
20
willow Salix spp.
20
flat-sedge Cyperus odoratus
20
bald cypress Taxodium distichum
20

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