Lucerne (Polk County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°4'46", Longitude 81°41'4"
Period of record: 22 sampling dates; December 11, 1990 to December 21, 1999
Surface area (Shafer et al. 1986): 42 acres / 17 hectacres
Lake Region (Griffith et al. 1997): Winter Haven/Lake Henry Ridges
Geologic formation (Brooks 1981):
The geology is dominated by deeply weathered clayey sand and granular sand of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Winter Haven Karst 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Supplemental, unpublished water chemistry data, University of Florida.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 |
6.9 |
Sulfate (mg/L) |
25.5 |
|
Total alkalinity (mg/L as CaCO3) |
9.6 |
Calcium (mg/L) |
6.0 |
|
Conductance (µS/cm @ 25 °C) |
192 |
Magnesium (mg/L) |
4.8 |
|
Color (Pt-Co units) |
12 |
Sodium (mg/L) |
18.5 |
|
Chloride (mg/L) |
30.0 |
Potassium (mg/L) |
4.0 |
|
Silicon (mg/L) |
0.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 22 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
7 |
10 |
15 |
|
Long-term total nitrogen concentrations (µg/L) |
330 |
490 |
640 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
2.8 |
7.0 |
|
Long-term Secchi depth (ft) |
7.0 |
10.7 |
14.5 |
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 |
|
Jul-23-99 |
11 |
590 |
4.0 |
9.9 |
|
Aug-23-99 |
12 |
420 |
6.0 |
8.5 |
|
Sep-23-99 |
12 |
610 |
6.3 |
7.5 |
|
Oct-30-99 |
15 |
610 |
7.0 |
7.0 |
|
Nov-25-99 |
14 |
640 |
5.7 |
7.5 |
|
Dec-21-99 |
12 |
550 |
5.7 |
7.4 |
|
|
|
|
|
|
|
1999 Average |
13 |
570 |
5.8 |
8.0 |