Nutrient/Year

2000

2001

2002

2003

2004

2005

TP

1.3

1.6

1.2

0.8

0.4

1.2

TN

15.1

47.0

31.0

68.5

19.0

27.3

NO3

5.4

15.6

13.0

50.9

8.0

3.3

NH4

1.3

16.8

3.3

3.4

0.3

7.2

SO4

1968

1153

1763

1848

134

956