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

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