Calm (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 28°8'32", Longitude 82°34'54"
Period of record: 54 sampling dates; March 29, 1992 to June 7, 1998
Surface area (Shafer et al. 1986): 127 acres / 51 hectacres
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.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 54 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
3 |
7 |
18 |
|
Long-term total nitrogen concentrations (µg/L) |
140 |
250 |
610 |
|
Long-term total chlorophyll concentrations (µg/L) |
1.0 |
1.8 |
6.3 |
|
Long-term Secchi depth (ft) |
6.7 |
9.9 |
13.0 |
Florida LAKEWATCH data were not collected in 1999.