Arthur (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°37'35", Longitude 81°50'25"
Period of record: 14 sampling dates; April 25, 1998 to October 31, 1999
Surface area (Shafer et al. 1986): 126 acres / 51 hectacres
Lake Region (Griffith et al. 1997): Clermont Uplands
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 Groveland 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Supplemental, unpublished water chemistry data, University of Florida.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 |
6.3 |
Total alkalinity (mg/L as CaCO3) |
1.8 |
|
Conductance (µS/cm @ 25 °C) |
186 |
Color (Pt-Co units) |
13 |
|
Chloride (mg/L) |
28.0 |
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 14 months sampled:
|
Minimum |
Average |
Maximum |
|
|
Long-term total phosphorus concentrations (µg/L) |
6 |
7 |
11 |
|
Long-term total nitrogen concentrations (µg/L) |
300 |
380 |
530 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
2.0 |
3.0 |
|
Long-term Secchi depth (ft) |
7.2 |
9.9 |
11.0 |
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 |
|
Feb-07-99 |
6 |
370 |
2.0 |
. |
|
Mar-13-99 |
6 |
410 |
1.0 |
. |
|
Apr-25-99 |
8 |
370 |
1.0 |
10.2 |
|
May-31-99 |
8 |
300 |
2.0 |
9.2 |
|
Aug-01-99 |
8 |
370 |
2.0 |
. |
|
Sep-26-99 |
9 |
310 |
3.0 |
10.3 |
|
Oct-31-99 |
7 |
380 |
2.3 |
9.5 |
|
1999 Average |
7 |
360 |
1.9 |
9.8 |
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