Total Phosphorous (Summer average, June - August)

              West Okoboji Lake

             East Okoboji Lake

Year

 

 

Principal

Investigator  

   

 

Sampling

Period

 

 

 

Number

of

lake sampling

sites

 

 

Total

number

of

samples

collected

Avg

Total

P

 

(mg/L)

SE

 

Year

 

 

Principal

Investigator

Sampling

Period

 

Number

of

lake sampling

sites

 

Total

number

of

samples

collected

Avg

Total

P

 

(mg/L)

SE

99

99

99

99

99

99

1971

Bachmann

8/20 to

8/20

5

5

0.230

0.000

1972

Bachmann

6/12 to

8/24

6

25

0.032

0.003

1972

Bachmann

6/1 to

8/24

5

25

0.167

0.013

1973

Bachmann

6/7 to

8/20

6

16

0.028

0.001

1973

Bachmann

6/21 to

8/20

5

39

0.103

0.007

1979

Bachmann

June to Oct

3

14

0.029

0.002

1979

Bachmann

June to

Oct

3

10

0.139

0.011

1987

Bachmann

6/2 to

8/13

6

65

0.019

0.000

99

99

99

99

99

99

1988

Bachmann

6/6 to

8/8

6

60

0.018

0.000

99

99

99

99

99

99

1989

Bachmann

6/4 to

8/6

6

60

0.028

0.001

99

99

99

99

99

99

1990

Bachmann

5/27 to

7/29

3

9

0.030

0.003

1990

Bachmann

5/27 to

7/29

3

9

0.102

0.017

1993

Lang

6/5 to

8/20

3

18

0.022

0.003

99

99

99

99

99

99

1994

Lang

6/26 to

8/30

3

18

0.032

0.002

99

99

99

99

99

99

1995

Lang

6/4 to

8/6

3

15

0.030

0.001

99

99

99

99

99

99

1996

Lang

6/14 to

8/5

3

12

0.013

0.002

99

99

99

99

99

99

1997

Lang

6/21 to

8/3

3

12

0.049

0.003

99

99

99

99

99

99

1998

Lang

7/2 to

8/28

3

27

0.026

0.002

99

99

99

99

99

99

1999

CLAMP

6/17 to

8/25

6

36

0.028

0.001

1999

CLAMP

6/17 to

8/31

5

30

0.152

0.011

2000

CLAMP

6/7 to

8/31

6

42

 

0.026

0.001

2000

CLAMP

6/2 to

8/20

5

35

0.148

0.010

2001

CLAMP

6/14 to

8/22

6

36

0.038

0.001

2001

CLAMP

6/10 to

8/22

5

25

0.127

0.008

2002

CLAMP

6/5 to

8/26

6

42

0.020

0.001

2002

CLAMP

6/5 to

8/28

5

35

0.107

0.007

2003

CLAMP

6/11 to

8/20

6

36

0.023

0.001

2003

CLAMP

6/8 to

8/21

5

30

0.144