Florence (Seminole County)
Florida LAKEWA TCH Water Chemistry Summary
Location: Latitude 28°37'44", Longitude 81°17'30"
Period of record: 5 sampling dates; June 21, 1999 to November 21, 1999
Surface area (Dickinson et al. 1982): 28 acres / 11 hectacres
Lake Region (Griffith et al. 1997): Orlando Ridge
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Casselberry-Oviedo-Geneva-Chuluota Hills 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.1 |
Total alkalinity (mg/L as CaCO3) |
9.2 |
|
Conductance (µS/cm @ 25 °C) |
156 |
Color (Pt-Co units) |
8 |
|
Chloride (mg/L) |
22.5 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 5 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
12 |
14 |
16 |
|
Long-term total nitrogen concentrations (µg/L) |
380 |
450 |
490 |
|
Long-term total chlorophyll concentrations (µg/L) |
3.7 |
7.0 |
12.0 |
|
Long-term Secchi depth (ft) |
6.2 |
8.0 |
12.2 |
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 |
|
Jun-21-99 |
12 |
380 |
3.7 |
12.2 |
|
Jul-25-99 |
13 |
480 |
4.7 |
6.5 |
|
Aug-29-99 |
16 |
420 |
5.0 |
7.7 |
|
Oct-10-99 |
14 |
460 |
9.7 |
7.3 |
|
Nov-21-99 |
15 |
490 |
12.0 |
6.2 |
|
|
|
|
|
|
|
1999 Average |
14 |
450 |
7.0 |
8.0 |