Clough (Volusia County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°59'37", Longitude 81°13'60"
Period of record: 5 sampling dates; March 1, 1999 to June 27, 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Supplemental, unpublished water chemistry data, University of Florida.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 |
5.9 |
Total alkalinity (mg/L as CaCO3) |
0.8 |
|
Conductance (µS/cm @ 25 °C) |
80 |
Color (Pt-Co units) |
12 |
|
Chloride (mg/L) |
20.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 5 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
11 |
14 |
17 |
|
Long-term total nitrogen concentrations (µg/L) |
410 |
450 |
490 |
|
Long-term total chlorophyll concentrations (µg/L) |
7.7 |
8.3 |
9.0 |
|
Long-term Secchi depth (ft) |
5.7 |
6.9 |
8.2 |
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 |
|
Mar-01-99 |
13 |
410 |
8.7 |
8.2 |
|
Mar-28-99 |
17 |
440 |
8.0 |
7.2 |
|
Apr-25-99 |
11 |
460 |
8.0 |
7.0 |
|
May-31-99 |
16 |
490 |
7.7 |
5.7 |
|
Jun-27-99 |
13 |
470 |
9.0 |
6.3 |
|
|
|
|
|
|
|
1999 Average |
14 |
450 |
8.3 |
6.9 |