Ellen (Wakulla County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°6'46", Longitude 84°23'56"
Period of record: 8 sampling dates; March 21, 1999 to November 25, 1999
Surface area (Shafer et al. 1986): 150 acres / 61 hectacres
Lake Region (Griffith et al. 1997): Gulf Coast Lowlands
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 Woodville Karst subdivision of the Big Bend Karst division of the Ocala Uplift District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 5 months sampled:
|
pH |
5.0 |
Sulfate (mg/L) |
4.1 |
|
Total alkalinity (mg/L as CaCO3) |
0.8 |
Calcium (mg/L) |
1.2 |
|
Conductance (µS/cm @ 25 °C) |
27 |
Magnesium (mg/L) |
1.7 |
|
Color (Pt-Co units) |
99 |
Sodium (mg/L) |
2.6 |
|
Chloride (mg/L) |
5.6 |
Potassium (mg/L) |
0.2 |
|
Silicon (mg/L) |
0.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 8 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
11 |
16 |
|
Long-term total nitrogen concentrations (µg/L) |
370 |
450 |
620 |
|
Long-term total chlorophyll concentrations (µg/L) |
4.0 |
11.3 |
19.0 |
|
Long-term Secchi depth (ft) |
3.2 |
5.9 |
7.5 |
1999 Florida LAKEWATCH Data
Numbers reported below are monthly averages calculated from 3 stations for total phosphorus (TP, µg/L), total nitrogen (TN, µg/L), chlorophyll (CHL, µg/L) and Secchi depth (SECCHI, ft) during 1999:
|
Date |
TP (µg/L) |
TN (µg/L) |
CHL (µg/L) |
SECCHI (ft |
|
Mar-21-99 |
10 |
440 |
4.0 |
3.2 |
|
Apr-25-99 |
8 |
470 |
11.7 |
4.5 |
|
May-20-99 |
12 |
420 |
11.7 |
6.0 |
|
Jun-25-99 |
8 |
370 |
7.7 |
6.3 |
|
Jul-25-99 |
13 |
440 |
19.0 |
7.0 |
|
Aug-25-99 |
13 |
440 |
17.7 |
7.5 |
|
Oct-25-99 |
16 |
620 |
11.7 |
7.3 |
|
Nov-25-99 |
11 |
410 |
7.0 |
5.7 |
|
|
|
|
|
|
|
1999 Average |
11 |
450 |
11.3 |
5.9 |