Valkaria (Brevard County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 27°57'19", Longitude 80°36'54"
Period of record: 24 sampling dates; October 10, 1996 to August 7, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Eastern Flatlands
Geologic formation (Brooks 1981):
The geology is dominated by high energy, bar shelly, and dune sand with loose to hard limestone of the Anastasia Formation.
Physiographic region (Brooks 1981):
The water body lies in the Upper St. Johns Karst division of the Eastern Flatwoods District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.0 |
Sulfate (mg/L) |
23.7 |
|
Total alkalinity (mg/L as CaCO3) |
16.3 |
Calcium (mg/L) |
21.0 |
|
Conductance (µS/cm @ 25 °C) |
465 |
Magnesium (mg/L) |
6.9 |
|
Color (Pt-Co units) |
88 |
Sodium (mg/L) |
47.0 |
|
Chloride (mg/L) |
111.0 |
Potassium (mg/L) |
1.9 |
|
Silicon (mg/L) |
2.8 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 24 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
8 |
14 |
20 |
|
Long-term total nitrogen concentrations (µg/L) |
340 |
620 |
1030 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.7 |
7.0 |
19.7 |
|
Long-term Secchi depth (ft) |
2.2 |
4.0 |
5.5 |
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-09-99 |
13 |
570 |
3.7 |
3.8 |
|
Apr-10-99 |
13 |
580 |
4.3 |
4.0 |
|
May-31-99 |
13 |
530 |
5.3 |
5.0 |
|
Jun-26-99 |
10 |
500 |
3.0 |
5.5 |
|
Aug-07-99 |
10 |
520 |
4.0 |
5.0 |
|
|
|
|
|
|
|
1999 Average |
12 |
540 |
4.1 |
4.7 |