Loch Haven (Pinellas County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°7'57", Longitude 82°46'12"
Period of record: 21 sampling dates; July 29, 1992 to April 9, 1997
Surface area : No data available.
Lake Region (Griffith et al. 1997): Pinellas Peninsula
Geologic formation (Brooks 1981):
The geology is dominated by phosphatic sand, silty sand, and clay of the Hawthorne Formation.
Physiographic region (Brooks 1981):
The water body lies in the Pinellas Peninsula division of the Southwestern Flatwoods District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 1 month sampled:
|
pH |
7.3 |
Sulfate (mg/L) |
9.5 |
|
Total alkalinity (mg/L as CaCO3) |
85.0 |
Calcium (mg/L) |
34.0 |
|
Conductance (µS/cm @ 25 °C) |
439 |
Magnesium (mg/L) |
4.3 |
|
Color (Pt-Co units) |
52 |
Sodium (mg/L) |
47.0 |
|
Chloride (mg/L) |
84.0 |
Potassium (mg/L) |
4.6 |
|
Silicon (mg/L) |
0.6 |
|
|
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) |
51 |
91 |
235 |
|
Long-term total nitrogen concentrations (µg/L) |
940 |
1660 |
2420 |
|
Long-term total chlorophyll concentrations (µg/L) |
13.0 |
52.5 |
232.5 |
|
Long-term Secchi depth (ft) |
1.3 |
3.0 |
6.0 |
Florida LAKEWATCH data were not collected in 1999.