Adelaide (Seminole County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°40'0", Longitude 81°21'56"

Period of record: 37 sampling dates; April 10, 1992 to October 18, 1999

Surface area (Shafer et al. 1986): 23 acres / 9 hectacres

Lake Region (Griffith et al. 1997): Orlando Ridge

Geologic formation (Brooks 1981):

The geology is dominated by coastal sand and shelly silty sand of the preglacial Pleistocene.

Physiographic region (Brooks 1981):

The water body lies in the Casselberry-Oviedo-Geneva-Chuluota Hills division of the Central Lake District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 37 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

35

48

92

Long-term total nitrogen concentrations (µg/L)

590

1120

3190

Long-term total chlorophyll concentrations (µg/L)

11.3

44.1

265.7

Long-term Secchi depth (ft)

0.8

3.4

6.6

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-26-99

42

760

22.7

4.0

Mar-02-99

42

980

16.3

4.7

Mar-25-99

39

880

21.0

3.0

May-06-99

37

1530

49.0

2.0

May-26-99

40

1280

24.0

2.7

Jul-03-99

35

1090

41.3

2.5

Aug-13-99

36

980

35.7

2.7

Sep-25-99

43

1070

46.3

2.5

Oct-18-99

44

1060

11.3

.

 

 

 

 

 

1999 Average

40

1070

29.7

3.0

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