La Grange (Orange County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°30'29", Longitude 81°20'33"
Period of record: 43 sampling dates; February 17, 1991 to December 4, 1994
Surface area : No data available.
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Supplemental, unpublished water chemistry data, University of Florida.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) |
37.0 |
|
Total alkalinity (mg/L as CaCO3) |
29.0 |
Calcium (mg/L) |
15.5 |
|
Conductance (µS/cm @ 25 °C) |
250 |
Magnesium (mg/L) |
5.5 |
|
Color (Pt-Co units) |
15 |
Sodium (mg/L) |
18.5 |
|
Chloride (mg/L) |
26.3 |
Potassium (mg/L) |
7.0 |
|
Silicon (mg/L) |
0.4 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 43 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
9 |
20 |
35 |
|
Long-term total nitrogen concentrations (µg/L) |
390 |
730 |
1430 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.7 |
9.9 |
28.3 |
|
Long-term Secchi depth (ft) |
3.0 |
8.0 |
13.5 |
Florida LAKEWATCH data were not collected in 1999.