Dexter (Polk County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 27°59'23", Longitude 81°40'53"
Period of record: 74 sampling dates; December 21, 1992 to December 14, 1999
Surface area (Shafer et al. 1986): 153 acres / 62 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Supplemental, unpublished water chemistry data, University of Florida.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 1 month sampled:
|
pH |
7.9 |
Total alkalinity (mg/L as CaCO3) |
34.0 |
|
Conductance (µS/cm @ 25 °C) |
273 |
Color (Pt-Co units) |
8 |
|
Chloride (mg/L) |
21.3 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 74 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
5 |
9 |
14 |
|
Long-term total nitrogen concentrations (µg/L) |
290 |
440 |
770 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
3.0 |
7.0 |
|
Long-term Secchi depth (ft) |
9.7 |
12.1 |
15.0 |
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 |
|
Jan-15-99 |
9 |
380 |
2.7 |
13.0 |
|
Feb-20-99 |
9 |
360 |
2.3 |
11.2 |
|
Mar-17-99 |
9 |
330 |
2.0 |
13.5 |
|
Apr-19-99 |
13 |
390 |
2.0 |
12.8 |
|
May-15-99 |
9 |
430 |
2.3 |
. |
|
Aug-12-99 |
9 |
390 |
3.7 |
11.8 |
|
Sep-13-99 |
9 |
380 |
3.7 |
11.0 |
|
Oct-18-99 |
9 |
370 |
3.3 |
10.8 |
|
Nov-13-99 |
9 |
400 |
2.3 |
14.5 |
|
Dec-14-99 |
14 |
460 |
3.0 |
. |
|
|
|
|
|
|
|
1999 Average |
10 |
390 |
2.7 |
12.3 |