Adair (Orange County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 28°33'36", Longitude 81°23'29"

Period of record: 82 sampling dates; December 2, 1990 to December 7, 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 phosphatic sand, silty sand, and clay of the Hawthorne Formation.

Physiographic region (Brooks 1981):

The water body lies in the Orlando Promontory division of the Central Lake District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 82 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

28

107

327

Long-term total nitrogen concentrations (µg/L)

560

1100

3130

Long-term total chlorophyll concentrations (µg/L)

8.0

60.6

345.3

Long-term Secchi depth (ft)

1.2

2.5

4.2

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-19-99

61

830

29.0

3.0

Feb-09-99

55

760

32.0

2.7

Apr-06-99

43

720

42.7

4.0

May-04-99

55

1100

.

.

May-28-99

53

1040

44.7

.

Aug-31-99

58

1050

39.7

2.8

Sep-23-99

69

930

62.0

2.7

Oct-05-99

51

710

61.0

2.0

Nov-09-99

73

990

64.0

2.3

Dec-07-99

79

1020

54.7

2.7

 

 

 

 

 

1999 Average

60

920

47.7

2.8

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