Geneva (Clay County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°45'54", Longitude 82°1'22"
Period of record: 50 sampling dates; July 31, 1988 to August 27, 1999
Surface area (Shafer et al. 1986): No data available.
Lake Region (Griffith et al. 1997): Trail Ridge
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 Interlachen Sand Hills division of the Central Lake District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 5 months sampled:
|
pH |
6.1 |
Sulfate (mg/L) |
11.4 |
|
Total alkalinity (mg/L as CaCO3) |
1.9 |
Calcium (mg/L) |
2.7 |
|
Conductance (µS/cm @ 25 °C) |
64 |
Magnesium (mg/L) |
3.9 |
|
Color (Pt-Co units) |
4 |
Sodium (mg/L) |
7.3 |
|
Chloride (mg/L) |
10.8 |
Potassium (mg/L) |
0.6 |
|
Silicon (mg/L) |
0.2 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 50 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
1 |
6 |
12 |
|
Long-term total nitrogen concentrations (µg/L) |
100 |
210 |
330 |
|
Long-term total chlorophyll concentrations (µg/L) |
0.0 |
1.5 |
7.5 |
|
Long-term Secchi depth (ft) |
5.0 |
11.1 |
19.6 |
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 |
|
Feb-26-99 |
8 |
290 |
1.0 |
13.5 |
|
Mar-31-99 |
10 |
290 |
1.0 |
13.0 |
|
Jul-16-99 |
6 |
290 |
1.7 |
. |
|
Aug-27-99 |
6 |
310 |
2.0 |
. |
|
|
|
|
|
|
|
1999 Average |
7 |
290 |
1.4 |
13.2 |