Gap (Washington County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 30°33'2", Longitude 85°34'18"
Period of record: 7 sampling dates; April 20, 1997 to November 23, 1997
Surface area (Shafer et al. 1986): 527 acres / 213 hectacres
Lake Region (Griffith et al. 1997): New Hope Ridge/Greenhead Slope
Geologic formation (Brooks 1981):
The geology is dominated by gravel, sand and clay of the Citronelle Formation.
Physiographic region (Brooks 1981):
The water body lies in the Crystal Lake Karst division of the Dougherty Karst District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 5 months sampled:
|
pH |
5.1 |
Sulfate (mg/L) |
5.6 |
|
Total alkalinity (mg/L as CaCO3) |
0.6 |
Calcium (mg/L) |
0.6 |
|
Conductance (µS/cm @ 25 °C) |
15 |
Magnesium (mg/L) |
0.4 |
|
Color (Pt-Co units) |
5 |
Sodium (mg/L) |
1.7 |
|
Chloride (mg/L) |
2.8 |
Potassium (mg/L) |
0.2 |
|
Silicon (mg/L) |
0.0 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 7 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
2 |
3 |
4 |
|
Long-term total nitrogen concentrations (µg/L) |
180 |
230 |
270 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
1.7 |
2.0 |
|
Long-term Secchi depth (ft) |
8.6 |
13.0 |
17.8 |
Florida LAKEWATCH data were not collected in 1999.