Withlacoochee River-1 (Citrus County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°1'18", Longitude 82°38'47"

Period of record: 111 sampling dates; March 15, 1990 to December 15, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tsala Apopka

Geologic formation (Brooks 1981):

The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tsala Apopka Basin division of the Ocala Uplift District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 111 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

16

44

138

Long-term total nitrogen concentrations (µg/L)

180

590

1210

Long-term total chlorophyll concentrations (µg/L)

1.0

3.0

18.0

Long-term Secchi depth (ft)

2.0

7.5

14.0

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 1 station 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

33

590

2.0

.

Feb-15-99

41

690

1.0

.

Mar-16-99

29

430

2.0

.

Apr-16-99

40

460

1.0

.

May-15-99

25

350

1.0

.

Jun-19-99

33

390

3.0

.

Jul-18-99

26

300

4.0

.

Aug-15-99

21

390

3.0

.

Sep-16-99

28

460

2.0

.

Oct-16-99

25

590

3.0

.

Nov-15-99

16

510

1.0

.

Dec-15-99

25

660

1.0

.

 

 

 

 

 

1999 Average

28

490

2.0

.

 

Withlacoochee River-2 (Citrus County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°1'27", Longitude 82°39'44"

Period of record: 117 sampling dates; March 15, 1990 to December 15, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tsala Apopka

Geologic formation (Brooks 1981):

The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tsala Apopka Basin division of the Ocala Uplift District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 117 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

15

44

127

Long-term total nitrogen concentrations (µg/L)

170

630

1630

Long-term total chlorophyll concentrations (µg/L)

1.0

2.4

19.0

Long-term Secchi depth (ft)

1.0

6.5

14.0

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 1 station 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

36

600

1.0

.

Feb-15-99

40

600

1.0

.

Mar-16-99

26

450

1.0

.

Apr-16-99

56

490

2.0

.

May-15-99

33

370

1.0

.

Jun-15-99

30

360

2.0

.

Jul-16-99

21

370

2.0

.

Aug-15-99

26

400

3.0

.

Sep-15-99

26

390

2.0

.

Oct-16-99

23

520

2.0

.

Nov-15-99

19

560

1.0

.

Dec-15-99

35

770

1.0

.

 

 

 

 

 

1999 Average

31

490

1.6

.

 

Withlacoochee River-3 (Citrus County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°1'59", Longitude 82°41'37"

Period of record: 116 sampling dates; March 15, 1990 to December 16, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tsala Apopka

Geologic formation (Brooks 1981):

The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tsala Apopka Basin division of the Ocala Uplift District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 116 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

14

46

139

Long-term total nitrogen concentrations (µg/L)

230

640

1330

Long-term total chlorophyll concentrations (µg/L)

1.0

2.6

22.0

Long-term Secchi depth (ft)

2.0

9.1

18.6

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 1 station 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-16-99

35

740

2.0

13.0

Feb-16-99

40

650

1.0

13.0

Mar-15-99

28

420

2.0

13.0

Apr-16-99

44

450

2.0

11.0

May-16-99

31

370

2.0

14.0

Jun-15-99

37

360

.

12.0

Jul-16-99

24

310

1.0

.

Aug-15-99

27

390

2.0

13.0

Sep-16-99

28

680

1.0

16.0

Oct-16-99

28

510

2.0

16.0

Nov-16-99

17

540

1.0

17.0

Dec-16-99

30

690

2.0

16.0

 

 

 

 

 

1999 Average

31

510

1.6

14.0

 

Withlacoochee River-4 (Citrus County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°1'52", Longitude 82°42'46"

Period of record: 116 sampling dates; March 15, 1990 to December 15, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tsala Apopka

Geologic formation (Brooks 1981):

The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tsala Apopka Basin division of the Ocala Uplift District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 116 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

15

44

113

Long-term total nitrogen concentrations (µg/L)

240

630

1420

Long-term total chlorophyll concentrations (µg/L)

0.0

2.5

15.0

Long-term Secchi depth (ft)

2.0

9.1

20.5

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 1 station 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

46

750

1.0

13.0

Feb-15-99

41

640

1.0

12.0

Mar-15-99

27

470

2.0

13.5

Apr-15-99

42

470

3.0

11.0

May-15-99

35

350

2.0

14.5

Jun-19-99

41

380

4.0

11.0

Jul-15-99

27

300

4.0

12.0

Aug-14-99

24

370

2.0

13.0

Sep-16-99

28

430

2.0

13.0

Oct-16-99

21

430

2.0

.

Nov-15-99

17

530

1.0

.

Dec-15-99

23

650

1.0

.

 

 

 

 

 

1999 Average

31

480

2.1

12.6

 

Withlacoochee River-5 (Citrus County)

Florida LAKEWATCH Water Chemistry Summary

Location: Latitude 29°1'1", Longitude 82°43'37"

Period of record: 112 sampling dates; March 15, 1990 to December 15, 1999

Surface area : No data available.

Lake Region (Griffith et al. 1997): Tsala Apopka

Geologic formation (Brooks 1981):

The geology is dominated by limestone consisting of skeletons of fossils in a silt to sand size matrix of the Ocala Limestone Formation.

Physiographic region (Brooks 1981):

The water body lies in the Tsala Apopka Basin division of the Ocala Uplift District.

 

Long-term Florida LAKEWATCH Data

Numbers reported below are the minimum, average, and maximum value for the 112 months sampled:

 

Minimum

Average

Maximum

Long-term total phosphorus concentrations (µg/L)

15

46

120

Long-term total nitrogen concentrations (µg/L)

240

630

1380

Long-term total chlorophyll concentrations (µg/L)

0.0

2.8

14.0

Long-term Secchi depth (ft)

1.8

9.6

22.0

1999 Florida LAKEWATCH Data

Numbers reported below are monthly averages calculated from 1 station 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

32

640

1.0

14.0

Feb-15-99

41

790

1.0

11.0

Mar-16-99

31

420

1.0

13.0

Apr-18-99

50

560

2.0

12.0

May-16-99

38

380

3.0

.

Jun-19-99

40

390

4.0

10.0

Jul-18-99

26

290

3.0

12.0

Aug-14-99

23

360

3.0

11.0

Sep-16-99

25

410

3.0

12.0

Oct-16-99

23

440

2.0

14.0

Nov-15-99

17

510

.

11.0

Dec-15-99

22

610

1.0

12.0

 

 

 

 

 

1999 Average

31

480

2.2

12.0

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