Little Mary (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°0'10", Longitude 81°38'44"
Period of record: 35 sampling dates; May 11, 1990 to March 8, 1993
Surface area : No data available.
Lake Region (Griffith et al. 1997): Apopka Upland
Geologic formation (Brooks 1981):
The geology is dominated by quartz sand and quartzite gravel with sandy clay beds of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Mount Dora Ridge 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Supplemental, unpublished water chemistry data, University of Florida.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 |
6.6 |
Sulfate (mg/L) |
19.3 |
|
Total alkalinity (mg/L as CaCO3) |
5.7 |
Calcium (mg/L) |
5.3 |
|
Conductance (µS/cm @ 25 °C) |
110 |
Magnesium (mg/L) |
3.5 |
|
Color (Pt-Co units) |
8 |
Sodium (mg/L) |
6.0 |
|
Chloride (mg/L) |
12.5 |
Potassium (mg/L) |
4.5 |
|
Silicon (mg/L) |
0.4 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 35 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
7 |
14 |
21 |
|
Long-term total nitrogen concentrations (µg/L) |
480 |
680 |
960 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
9.4 |
19.7 |
|
Long-term Secchi depth (ft) |
4.0 |
6.6 |
9.5 |
Florida LAKEWATCH data were not collected in 1999.