Grace (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°5'49", Longitude 82°35'15"
Period of record: 39 sampling dates; August 17, 1990 to December 27, 1993
Surface area : No data available.
Lake Region (Griffith et al. 1997): Keystone Lakes
Geologic formation (Brooks 1981):
The geology is dominated by argillaceous to sandy impure limestone of the Tampa Formation.
Physiographic region (Brooks 1981):
The water body lies in the Land-O-Lakes subdivision of the Tampa Plain division of the Ocala Uplift District.
Supplemental, unpublished water chemistry data, University of Florida.
Numbers reported below are the average for 2 months sampled:
|
pH |
6.2 |
Sulfate (mg/L) |
26.0 |
|
Total alkalinity (mg/L as CaCO3) |
2.3 |
Calcium (mg/L) |
7.5 |
|
Conductance (µS/cm @ 25 °C) |
165 |
Magnesium (mg/L) |
3.5 |
|
Color (Pt-Co units) |
9 |
Sodium (mg/L) |
12.5 |
|
Chloride (mg/L) |
25.5 |
Potassium (mg/L) |
5.2 |
|
Silicon (mg/L) |
0.4 |
|
|
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 39 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
4 |
8 |
20 |
|
Long-term total nitrogen concentrations (µg/L) |
260 |
390 |
530 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
2.9 |
9.3 |
|
Long-term Secchi depth (ft) |
10.0 |
14.0 |
17.0 |
Florida LAKEWATCH data were not collected in 1999.