Sunset Harbor (Marion County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°59'39", Longitude 81°58'31"
Period of record: 113 sampling dates; February 15, 1990 to November 26, 1999
Surface area (LAKEWATCH): No data available. Bathymetric Map
Lake Region (Griffith et al. 1997): Lake Weir/Leesburg Upland
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Central Lakes 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.1 |
Sulfate (mg/L) |
7.7 |
|
Total alkalinity (mg/L as CaCO3) |
12.5 |
Calcium (mg/L) |
4.0 |
|
Conductance (µS/cm @ 25 °C) |
162 |
Magnesium (mg/L) |
4.0 |
|
Color (Pt-Co units) |
5 |
Sodium (mg/L) |
18.7 |
|
Chloride (mg/L) |
34.5 |
Potassium (mg/L) |
3.0 |
|
Silicon (mg/L) |
1.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 113 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
6 |
12 |
29 |
|
Long-term total nitrogen concentrations (µg/L) |
430 |
750 |
970 |
|
Long-term total chlorophyll concentrations (µg/L) |
5.0 |
9.8 |
16.3 |
|
Long-term Secchi depth (ft) |
4.0 |
5.5 |
8.0 |
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 |
|
Jan-15-99 |
12 |
650 |
11.0 |
6.2 |
|
Feb-28-99 |
12 |
600 |
9.3 |
5.2 |
|
Mar-28-99 |
16 |
540 |
10.0 |
5.3 |
|
May-02-99 |
19 |
780 |
9.3 |
5.0 |
|
Jun-13-99 |
13 |
630 |
9.7 |
6.0 |
|
Jul-10-99 |
11 |
730 |
8.3 |
6.2 |
|
Sep-11-99 |
14 |
740 |
8.0 |
5.8 |
|
Oct-10-99 |
13 |
790 |
9.7 |
6.0 |
|
Nov-26-99 |
16 |
830 |
11.0 |
5.2 |
|
|
|
|
|
|
|
1999 Average |
14 |
700 |
9.6 |
5.7 |
Sunset Harbor (Marion County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 25, 1992
|
Percent area covered with aquatic vegetation (PAC, %) |
34 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
3 |
|
Average emergent plant biomass (kg wet wt/m2) |
4.3 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
1.9 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
101 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
maidencane |
Panicum hemitomon |
100 |
|
rush fuirena |
Fuirena scirpoidea |
60 |
|
knot grass |
Paspalum distichum |
60 |
|
Illinois pondweed |
Potamogeton illinoensis |
50 |
|
water primrose |
Ludwigia octovalvis |
50 |
|
fragrant water-lily |
Nymphaea odorata |
40 |
|
cat-tail |
Typha spp. |
40 |
|
musk-grass |
Chara spp. |
40 |
|
duck-potato |
Sagittaria lancifolia |
30 |
|
banana-lily |
Nymphoides aquatica |
30 |
|
spatterdock |
Nuphar luteum |
30 |
|
common salvinia |
Salvinia rotundifolia |
20 |
|
slender spikerush |
Eleocharis baldwinii |
20 |
|
lemon bacopa |
Bacopa caroliniana |
20 |
|
sawgrass |
Cladium jamaicense |
20 |
|
torpedograss |
Panicum repens |
20 |
|
red root |
Lachnanthes caroliniana |
20 |
|
respuinata bladderwort |
Utricularia resupinata |
20 |
|
water-pennywort |
Hydrocotyle umbellata |
10 |
|
tapegrass |
Vallisneria americana |
10 |
|
water spikerush |
Eleocharis elongata |
10 |
|
bladderwort |
Utricularia foliosa |
10 |
Sunset Harbor (Marion County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 14, 1998
|
Percent area covered with aquatic vegetation (PAC, %) |
24 |
|
Percent of lake's volume filled with vegetation (PVI, %) |
5 |
|
Average emergent plant biomass (kg wet wt/m2) |
3.6 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
2.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
1.4 |
|
Average width of emergent and floating-leaved zone (ft.) |
60 |
|
Average lake depth (m) |
3 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
maidencane |
Panicum hemitomon |
80 |
|
duck-potato |
Sagittaria lancifolia |
70 |
|
water primrose |
Ludwigia octovalvis |
70 |
|
stonewort |
Nitella spp. |
70 |
|
rush fuirena |
Fuirena scirpoidea |
70 |
|
knot grass |
Paspalum distichum |
70 |
|
wax myrtle |
Myrica cerifera |
60 |
|
banana-lily |
Nymphoides aquatica |
50 |
|
spatterdock |
Nuphar luteum |
50 |
|
fragrant water-lily |
Nymphaea odorata |
50 |
|
lemon bacopa |
Bacopa caroliniana |
50 |
|
torpedograss |
Panicum repens |
50 |
|
bladderwort |
Utricularia foliosa |
50 |
|
respuinata bladderwort |
Utricularia resupinata |
50 |
|
pickerelweed |
Pontederia cordata |
40 |
|
cat-tail |
Typha spp. |
40 |
|
sawgrass |
Cladium jamaicense |
40 |
|
red root |
Lachnanthes caroliniana |
40 |
|
salt-bush |
Baccharis spp. |
30 |
|
slender spikerush |
Eleocharis baldwinii |
20 |
|
variable-leaf milfoil |
Myriophyllum heterophyllum |
20 |
|
Illinois pondweed |
Potamogeton illinoensis |
20 |
|
musk-grass |
Chara spp. |
20 |
|
red maple |
Acer rubrum |
20 |
|
coontail |
Ceratophyllum demersum |
10 |
|
slender naiad |
Najas minor |
10 |
|
buttonbush |
Cephalanthus occidentalis |
10 |
|
Florida bladderwort |
Utricularia floridana |
10 |
|
elderberry |
Sambucus canadensis |
10 |