Phosphorus Removal for Soil Aquifer Treatment Systems

Applied

Vertical

Horizontal

Percolate

Phosphorus3

Travel Distance

Travel Distance

Concentration

Removal

Location

(mg/L)

(ft)

(ft)

(mg/L)

(%)

Boulder, Colorado

6.2

8-10

0

0.2-4.5

40-97

Brookings, South Dakota

3.0b

2.6

0

0.45

85

Calumet, Michigan

3.5

10-30

0-400

0.1-0.4

89-97

3.5

30c

5580c

0.03

99

Ft. Devens, Massachusetts

9.0b

50

100

0.1

99

Hollister, California

10.5

22

0

7.4

29

Lake George, New York

2.1b

10

0

<1

>52

2.1b

10c

1970c

0.014

99

Phoenix, Arizona

8-11

30

0

2-5

40-80

7.9

20

100

0.51

94

Vineland, New Jersey

4.8b

6.5-60

0

1.54

68

4.8b

13-52

850-1700

0.27

94

a Total phosphate measured, except as noted. b Soluble phosphate measured. c Seepage.

Source: USEPA, Process Design Manual for Land Treatment of Municipal Wastewater, EPA 625/1-81-013, U.S. Environmental Protection Agency, Cincinnati, OH, 1981.

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