Draper (Walton County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°20'45", Longitude 86°12'49"
Period of record: 5 sampling dates; October 29, 1996 to April 22, 1997
Surface area (Shafer et al. 1986): 34 acres / 14 hectacres
Lake Region (Griffith et al. 1997): Gulf Coast Lowlands
Geologic formation (Brooks 1981):
The geology is dominated by beach and dune sand with silty sand, silt, and clay of the Biloxi Formation.
Physiographic region (Brooks 1981):
The water body lies in the Coastal Strip division of the Apalachicola Delta District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.1 |
Sulfate (mg/L) |
55.0 |
|
Total alkalinity (mg/L as CaCO3) |
20.3 |
Calcium (mg/L) |
12.0 |
|
Conductance (µS/cm @ 25 °C) |
1706 |
Magnesium (mg/L) |
27.0 |
|
Color (Pt-Co units) |
153 |
Sodium (mg/L) |
263.3 |
|
Chloride (mg/L) |
516.7 |
Potassium (mg/L) |
11.0 |
|
Silicon (mg/L) |
2.7 |
|
|
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) |
14 |
16 |
22 |
|
Long-term total nitrogen concentrations (µg/L) |
260 |
350 |
500 |
|
Long-term total chlorophyll concentrations (µg/L) |
2.0 |
4.1 |
5.7 |
|
Long-term Secchi depth (ft) |
2.3 |
2.8 |
3.7 |
Florida LAKEWATCH data were not collected in 1999.