Pineloch (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°30'29", Longitude 81°22'2"
Period of record: 32 sampling dates; November 25, 1990 to July 30, 1994
Surface area (Shafer et al. 1986): 58 acres / 23 hectacres
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Supplemental, unpublished water chemistry data, University of Florida.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 2 months sampled:
|
pH |
7.8 |
Sulfate (mg/L) |
21.2 |
|
Total alkalinity (mg/L as CaCO3) |
53.5 |
Calcium (mg/L) |
22.0 |
|
Conductance (µS/cm @ 25 °C) |
216 |
Magnesium (mg/L) |
3.5 |
|
Color (Pt-Co units) |
14 |
Sodium (mg/L) |
11.0 |
|
Chloride (mg/L) |
17.0 |
Potassium (mg/L) |
4.0 |
|
Silicon (mg/L) |
0.9 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 32 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
17 |
30 |
42 |
|
Long-term total nitrogen concentrations (µg/L) |
500 |
800 |
1330 |
|
Long-term total chlorophyll concentrations (µg/L) |
7.0 |
24.0 |
63.3 |
|
Long-term Secchi depth (ft) |
2.2 |
4.2 |
7.7 |
Florida LAKEWATCH data were not collected in 1999.
Pineloch (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on June 3, 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) |
0.9 |
|
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.) |
5 |
|
Average lake depth (m) |
4 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water primrose |
Ludwigia octovalvis |
60 |
|
cat-tail |
Typha spp. |
30 |
|
elephant-ear |
Colocasia esculenta |
30 |
|
willow |
Salix spp. |
30 |
|
water-pennywort |
Hydrocotyle umbellata |
20 |
|
giant bulrush |
Scirpus californicus |
10 |
|
maidencane |
Panicum hemitomon |
10 |
|
torpedograss |
Panicum repens |
10 |
|
elderberry |
Sambucus canadensis |
10 |
Pineloch (Orange County)
Florida LAKEWATCH Aquatic Plant Summary
Aquatic plant data collected on July 28, 1994
|
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) |
1.4 |
|
Average floating-leaved plant biomass (kg wet wt/m2) |
0.1 |
|
Average submersed plant biomass (kg wet wt/m2) |
0.0 |
|
Average width of emergent and floating-leaved zone (ft.) |
5 |
|
Average lake depth (m) |
5 |
Frequency that plant species occur in 10 evenly spaced transects around the lake.
|
Common Name |
Plant Species |
Frequency (%) |
|
water primrose |
Ludwigia octovalvis |
80 |
|
water-pennywort |
Hydrocotyle umbellata |
40 |
|
elephant-ear |
Colocasia esculenta |
40 |
|
maidencane |
Panicum hemitomon |
40 |
|
cat-tail |
Typha spp. |
30 |
|
wax myrtle |
Myrica cerifera |
30 |
|
torpedograss |
Panicum repens |
30 |
|
smartweed |
Polygonum hydropiperoides |
20 |
|
bald cypress |
Taxodium distichum |
20 |
|
alligator-weed |
Alternanthera philoxeroides |
10 |
|
spatterdock |
Nuphar luteum |
10 |
|
willow |
Salix spp. |
10 |
|
flat-sedge |
Cyperus odoratus |
10 |
|
rush fuirena |
Fuirena scirpoidea |
10 |