Lillian (Marion County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°3'44", Longitude 82°3'11"
Period of record: 21 sampling dates; June 16, 1995 to December 14, 1999
Surface area (Shafer et al. 1986): 2 acres / 1 hectacres
Lake Region (Griffith et al. 1997): Marion Hills
Geologic formation (Brooks 1981):
The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.
Physiographic region (Brooks 1981):
The water body lies in the Anthony Hills subdivision of the Marion division of the Ocala Uplift District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
8.4 |
Total alkalinity (mg/L as CaCO3) |
76.0 |
|
Conductance (µS/cm @ 25 °C) |
180 |
Color (Pt-Co units) |
24 |
|
Chloride (mg/L) |
11.5 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 21 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
79 |
138 |
292 |
|
Long-term total nitrogen concentrations (µg/L) |
1170 |
1920 |
3610 |
|
Long-term total chlorophyll concentrations (µg/L) |
8.7 |
82.9 |
310.3 |
|
Long-term Secchi depth (ft) |
1.0 |
2.5 |
6.2 |
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 |
|
Jul-29-99 |
93 |
1200 |
34.3 |
3.7 |
|
Sep-01-99 |
292 |
3610 |
310.3 |
. |
|
Oct-11-99 |
85 |
1170 |
64.3 |
2.9 |
|
Nov-08-99 |
101 |
1360 |
45.0 |
2.2 |
|
Dec-14-99 |
134 |
1930 |
79.3 |
1.7 |
|
|
|
|
|
|
|
1999 Average |
141 |
1850 |
106.7 |
2.6 |