Molly (Volusia County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 81°18'4", Longitude 29°4'8"
Period of record: 10 sampling dates; March 4, 1999 to December 8, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Crescent City/DeLand Ridges
Geologic formation (Brooks 1981):
The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.
Physiographic region (Brooks 1981):
The water body lies in the Crescent City-Deland Ridge 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Supplemental, unpublished water chemistry data, University of Florida.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 |
7.6 |
Total alkalinity (mg/L as CaCO3) |
23.0 |
|
Conductance (µS/cm @ 25 °C) |
164 |
Color (Pt-Co units) |
16 |
|
Chloride (mg/L) |
30.8 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 10 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
22 |
32 |
42 |
|
Long-term total nitrogen concentrations (µg/L) |
730 |
870 |
1040 |
|
Long-term total chlorophyll concentrations (µg/L) |
5.7 |
16.1 |
27.7 |
|
Long-term Secchi depth (ft) |
3.2 |
4.6 |
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 |
|
Mar-04-99 |
22 |
850 |
18.0 |
4.1 |
|
Apr-05-99 |
37 |
960 |
5.7 |
5.4 |
|
May-06-99 |
31 |
830 |
9.3 |
5.3 |
|
Jun-09-99 |
30 |
780 |
9.3 |
5.0 |
|
Jul-07-99 |
25 |
730 |
8.3 |
6.5 |
|
Aug-10-99 |
33 |
900 |
24.7 |
4.0 |
|
Sep-07-99 |
32 |
890 |
18.0 |
4.7 |
|
Oct-07-99 |
31 |
840 |
18.3 |
4.0 |
|
Nov-05-99 |
42 |
920 |
22.0 |
3.9 |
|
Dec-08-99 |
42 |
1040 |
27.7 |
3.2 |
|
|
|
|
|
|
|
1999 Average |
32 |
870 |
16.1 |
4.6 |