Swan (Hillsborough County)
Florida LAKEWATCH Water Chemistry Summary
Location: Latitude 27°42'57", Longitude 82°21'0"
Period of record: 6 sampling dates; July 13, 1999 to December 13, 1999
Surface area : No data available.
Lake Region (Griffith et al. 1997): Southwestern Flatlands
Geologic formation (Brooks 1981):
The geology is dominated by residual and reworked white, pure quartz sand with minor to no heavy minerals.
Physiographic region (Brooks 1981):
The water body lies in the Bone Valley Uplands division of the Southwestern Flatwoods District.
Long-term Florida LAKEWATCH Data
Numbers reported below are the minimum, average, and maximum value for the 6 months sampled:
|
|
Minimum |
Average |
Maximum |
|
Long-term total phosphorus concentrations (µg/L) |
33 |
40 |
67 |
|
Long-term total nitrogen concentrations (µg/L) |
610 |
730 |
910 |
|
Long-term total chlorophyll concentrations (µg/L) |
11.7 |
25.1 |
49.0 |
|
Long-term Secchi depth (ft) |
3.0 |
4.1 |
5.5 |
1999 Florida LAKEWATCH Data
Numbers reported below are monthly averages calculated from 3 stations for total phosphorus (TP, µg/L), total nitrogen (TN, µg/L), chlorophyll (CHL, µg/L) and Secchi depth (SECCHI, ft) during 1999:
|
Date |
TP (µg/L) |
TN (µg/L) |
CHL (µg/L) |
SECCHI (ft |
|
Jul-13-99 |
33 |
610 |
11.7 |
4.5 |
|
Aug-14-99 |
36 |
650 |
17.3 |
5.5 |
|
Sep-08-99 |
35 |
730 |
26.0 |
5.2 |
|
Oct-18-99 |
67 |
910 |
49.0 |
3.0 |
|
Nov-14-99 |
37 |
760 |
23.7 |
3.0 |
|
Dec-13-99 |
34 |
730 |
23.0 |
3.5 |
|
|
|
|
|
|
|
1999 Average |
40 |
730 |
25.1 |
4.1 |