Little Moss (Pasco County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°10'57", Longitude 82°28'31"

Period of record: 56 sampling dates; January 7, 1990 to December 10, 1999

Surface area (Shafer et al. 1986): 24 acres / 10 hectacres

Lake Region (Griffith et al. 1997): Land-O-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Supplemental, unpublished water chemistry data, University of Florida.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

6.3

Sulfate (mg/L)

20.0

Total alkalinity (mg/L as CaCO3)

4.2

Calcium (mg/L)

8.0

Conductance (µS/cm @ 25 °C)

150

Magnesium (mg/L)

3.8

Color (Pt-Co units)

77

Sodium (mg/L)

11.5

Chloride (mg/L)

27.5

Potassium (mg/L)

5.5

Silicon (mg/L)

3.9

 

 

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 56 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

21

35

67

Long-term total nitrogen concentrations (µg/L)

680

960

1270

Long-term total chlorophyll concentrations (µg/L)

7.3

25.4

57.7

Long-term Secchi depth (ft)

2.0

3.9

7.5

 

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

Jan-15-99

52

960

28.7

3.2

Feb-12-99

42

860

17.7

3.2

Mar-10-99

42

850

19.3

2.7

Apr-09-99

38

900

16.0

2.7

May-10-99

24

950

9.3

4.2

Jun-09-99

28

730

21.0

4.2

Jul-09-99

26

800

21.0

3.7

Aug-17-99

24

810

17.0

4.0

Sep-08-99

28

1070

32.3

2.8

Oct-07-99

30

1110

35.0

.

Nov-07-99

21

1030

31.0

2.5

Dec-10-99

34

1190

31.3

2.7

 

 

 

 

 

1999 Average

32

940

23.3

3.2

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