Rose (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°32'16", Longitude 81°30'20"
Period of record: 31 sampling dates; February 11, 1990 to February 18, 1998
Surface area (Shafer et al. 1986): 90 acres / 36 hectacres
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.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 2 months sampled:
|
pH |
7.9 |
Sulfate (mg/L) |
27.2 |
|
Total alkalinity (mg/L as CaCO3) |
55.7 |
Calcium (mg/L) |
20.2 |
|
Conductance (µS/cm @ 25 °C) |
241 |
Magnesium (mg/L) |
8.0 |
|
Color (Pt-Co units) |
44 |
Sodium (mg/L) |
11.0 |
|
Chloride (mg/L) |
19.5 |
Potassium (mg/L) |
7.0 |
|
Silicon (mg/L) |
3.6 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 31 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
23 |
44 |
74 |
|
Long-term total nitrogen concentrations (µg/L) |
720 |
2000 |
3570 |
|
Long-term total chlorophyll concentrations (µg/L) |
16.0 |
61.0 |
136.0 |
|
Long-term Secchi depth (ft) |
1.0 |
2.0 |
5.5 |
Florida LAKEWATCH data were not collected in 1999.