Bay (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°35'28", Longitude 81°25'18"
Period of record: 108 sampling dates; November 23, 1990 to December 5, 1999
Surface area (LAKEWATCH): 20 acres / 8 hectacres (Go to Bathymetric Map)
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Supplemental, unpublished water chemistry data, University of Florida.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 3 months sampled:
|
pH |
8.5 |
Sulfate (mg/L) |
13.8 |
|
Total alkalinity (mg/L as CaCO3) |
48.8 |
Calcium (mg/L) |
16.0 |
|
Conductance (µS/cm @ 25 °C) |
222 |
Magnesium (mg/L) |
5.5 |
|
Color (Pt-Co units) |
20 |
Sodium (mg/L) |
17.8 |
|
Chloride (mg/L) |
27.8 |
Potassium (mg/L) |
5.7 |
|
Silicon (mg/L) |
0.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 108 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
22 |
40 |
66 |
|
Long-term total nitrogen concentrations (µg/L) |
750 |
1180 |
2040 |
|
Long-term total chlorophyll concentrations (µg/L) |
5.0 |
36.8 |
87.3 |
|
Long-term Secchi depth (ft) |
1.3 |
3.1 |
6.4 |
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-09-99 |
45 |
1310 |
63.3 |
2.0 |
|
Feb-06-99 |
50 |
990 |
37.0 |
2.3 |
|
Mar-06-99 |
42 |
1050 |
24.7 |
3.0 |
|
Apr-03-99 |
46 |
1000 |
20.3 |
3.0 |
|
May-05-99 |
46 |
1370 |
46.0 |
2.0 |
|
Jun-06-99 |
34 |
1810 |
59.7 |
1.5 |
|
Jul-08-99 |
39 |
1530 |
37.0 |
2.0 |
|
Aug-05-99 |
31 |
1530 |
44.0 |
1.8 |
|
Sep-06-99 |
36 |
1760 |
60.3 |
2.0 |
|
Oct-09-99 |
42 |
1650 |
53.3 |
2.5 |
|
Nov-07-99 |
48 |
1660 |
62.0 |
2.0 |
|
Dec-05-99 |
66 |
1740 |
86.7 |
1.5 |
|
|
|
|
|
|
|
1999 Average |
44 |
1450 |
49.5 |
2.1 |
Bay (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 8, 1993
|
Percent area covered with aquatic vegetation (PAC, %) |
58 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
6 |
|
Average emergent plant biomass (kg wet wt/m2) |
10.4 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.8 |
|
Average width of emergent and floating-leaved zone (ft.) |
31 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water-net |
Hydrodictyon spp. |
100 |
|
torpedograss |
Panicum repens |
80 |
|
cat-tail |
Typha spp. |
70 |
|
southern naiad |
Najas guadalupensis |
70 |
|
water primrose |
Ludwigia octovalvis |
70 |
|
water-pennywort |
Hydrocotyle umbellata |
60 |
|
willow |
Salix spp. |
60 |
|
wax myrtle |
Myrica cerifera |
50 |
|
alligator-weed |
Alternanthera philoxeroides |
40 |
|
spatterdock |
Nuphar luteum |
40 |
|
flat-sedge |
Cyperus odoratus |
30 |
|
bald cypress |
Taxodium distichum |
30 |
|
jointed flat sedge |
Cyperus haspan |
30 |
|
bacopa |
Bacopa monnieri |
20 |
|
elephant-ear |
Colocasia esculenta |
20 |
|
flat sedge |
Cyperus polystachyos |
20 |
|
rush |
Juncus marginatus |
20 |
|
common duckweed |
Lemna minor |
10 |
|
common salvinia |
Salvinia rotundifolia |
10 |
|
smartweed |
Polygonum hydropiperoides |
10 |
|
pickerelweed |
Pontederia cordata |
10 |
|
maidencane |
Panicum hemitomon |
10 |
|
soft rush |
Juncus effusus |
10 |
|
elderberry |
Sambucus canadensis |
10 |
|
. |
Scirpus divaricatus |
10 |
Bay (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 24, 1998
|
Percent area covered with aquatic vegetation (PAC, %) |
30 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
9 |
|
Average emergent plant biomass (kg wet wt/m2) |
3.1 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.4 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
24 |
|
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 |
70 |
|
green algae |
Chlorphyta |
70 |
|
cat-tail |
Typha spp. |
60 |
|
spatterdock |
Nuphar luteum |
50 |
|
bald cypress |
Taxodium distichum |
50 |
|
alligator-weed |
Alternanthera philoxeroides |
40 |
|
elephant-ear |
Colocasia esculenta |
40 |
|
torpedograss |
Panicum repens |
40 |
|
wax myrtle |
Myrica cerifera |
30 |
|
willow |
Salix spp. |
30 |
|
water-pennywort |
Hydrocotyle umbellata |
20 |
|
pickerelweed |
Pontederia cordata |
10 |
|
flat-sedge |
Cyperus odoratus |
10 |
|
musk-grass |
Chara spp. |
10 |
|
umbrella sedge |
Cyperus alternifolius |
10 |
|
elderberry |
Sambucus canadensis |
10 |
|
papyrus |
Cyperus papyrus |
10 |