Table 2.  Concentrations of nutrients in rainfall samples, 2000–2001

[Rainfall in inches; concentrations in milligrams per liter; <, less than]

Constituent

Rainfall event date

6/9/00

8/15/00

10/06/00

08/28/01

8/30/01

Rainfall

0.23

0.75

4.34

1.55

1.89

Nitrogen, ammonia, dissolved

.11

.064

.055

.016

.060

Nitrogen, ammonia + organic, dissolved

.25

.070

<.05

<.05

.060

Nitrogen, ammonia + organic, total

.18

.090

.060

.050

.090

Nitrogen, nitrite + nitrate, dissolved

.11

.11

.070

.020

.060

Nitrogen, nitrite, dissolved

.001

.002

<.001

<.001

<.001

Nitrogen, total

.35

.20

.13

.070

.12

Phosphorus, orthophosphate, dissolved

.003

.001

<.001

<.007

<.007

Phosphorus, dissolved

.006

<.006

<.006

<.006

<.006

Phosphorus, total

  .011

<.008

<.004

<.004

.003

 

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