Lindley (Volusia County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 29°2'57", Longitude 81°16'59"
Period of record: 21 sampling dates; July 16, 1991 to July 17, 1999
Surface area (Shafer et al. 1986): 27 acres / 11 hectacres
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 St. John’s Offset 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Supplemental, unpublished water chemistry data, University of Florida.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 |
6.4 |
Total alkalinity (mg/L as CaCO3) |
2.8 |
|
Conductance (µS/cm @ 25 °C) |
182 |
Color (Pt-Co units) |
15 |
|
Chloride (mg/L) |
18.5 |
|
|
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) |
11 |
15 |
19 |
|
Long-term total nitrogen concentrations (µg/L) |
470 |
580 |
730 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
5.1 |
11.7 |
|
Long-term Secchi depth (ft) |
6.5 |
8.7 |
12.3 |
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 |
19 |
650 |
3.3 |
9.7 |
|
Apr-06-99 |
16 |
560 |
4.0 |
8.2 |
|
May-14-99 |
19 |
600 |
3.3 |
7.5 |
|
Jun-16-99 |
19 |
700 |
5.3 |
7.3 |
|
Jul-17-99 |
16 |
620 |
6.0 |
7.7 |
|
|
|
|
|
|
|
1999 Average |
18 |
630 |
4.4 |
8.1 |