Echo (Marion County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°6'14", Longitude 81°39'0"
Period of record: 6 sampling dates; January 31, 1990 to August 26, 1993
Surface area (Shafer et al. 1986): 5 acres / 2 hectacres
Lake Region (Griffith et al. 1997): Ocala Scrub
Geologic formation (Brooks 1981):
The geology is dominated by sand dunes and well sorted fine sand of the Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Ocala Scrub division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
4.5 |
Sulfate (mg/L) |
5.0 |
|
Total alkalinity (mg/L as CaCO3) |
2.0 |
Calcium (mg/L) |
0.7 |
|
Conductance (µS/cm @ 25 °C) |
33 |
Magnesium (mg/L) |
0.6 |
|
Color (Pt-Co units) |
8 |
Sodium (mg/L) |
3.2 |
|
Chloride (mg/L) |
6.6 |
Potassium (mg/L) |
0.2 |
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 6 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
24 |
36 |
52 |
|
Long-term total nitrogen concentrations (µg/L) |
700 |
1010 |
1560 |
|
Long-term total chlorophyll concentrations (µg/L) |
9.0 |
18.9 |
31.3 |
|
Long-term Secchi depth (ft) |
2.5 |
4.3 |
6.0 |
Florida LAKEWATCH data were not collected in 1999.