Holly (Lake County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°56'27", Longitude 81°43'4"
Period of record: 1 sampling date; September 19, 1999
Surface area (Shafer et al. 1986): 98 acres / 40 hectacres
Lake Region (Griffith et al. 1997): Apopka Upland
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 Central Lakes 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Supplemental, unpublished water chemistry data, University of Florida.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 |
6.8 |
Sulfate (mg/L) |
15.0 |
|
Total alkalinity (mg/L as CaCO3) |
9.9 |
Calcium (mg/L) |
3.6 |
|
Conductance (µS/cm @ 25 °C) |
198 |
Magnesium (mg/L) |
5.9 |
|
Color (Pt-Co units) |
75 |
Sodium (mg/L) |
18.0 |
|
Chloride (mg/L) |
44.2 |
Potassium (mg/L) |
4.1 |
|
Silicon (mg/L) |
1.5 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 1 month sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
14 |
14 |
14 |
|
Long-term total nitrogen concentrations (µg/L) |
980 |
980 |
980 |
|
Long-term total chlorophyll concentrations (µg/L) |
12.3 |
12.3 |
12.3 |
|
Long-term Secchi depth (ft) |
6.5 |
6.5 |
6.5 |
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 |
|
Sep-19-99 |
14 |
980 |
12.3 |
6.5 |
|
|
|
|
|
|
|
1999 Average |
14 |
980 |
12.3 |
6.5 |