Head (H) in Feet

Flow in Gallons Per Min.

Head (H) in Feet

Flow in Gallons Per Min.

Head (H) in Feet

Flow in Gallons Per Min.

90 Notch

60 Notch

90 Notch

60 Notch

90 Notch

60 Notch

0.02

0.06

0.04

0.72

481

278

1.42

2627

1518

0.04

0.35

0.20

0.74

515

298

1.44

2721

1573

0.06

0.96

0.56

0.76

551

318

1.46

2816

1628

0.08

1.98

1.14

0.78

587

340

1.48

2913

1684

0.10

3.46

2.00

0.80

626

362

1.50

3013

1741

0.12

5.45

3.15

0.82

666

385

1.52

3114

1800

0.14

8.02

4.63

0.84

707

409

1.54

3218

1860

0.16

11.20

6.47

0.86

750

433

1.56

3323

1921

0.18

15.03

8.69

0.88

794

459

1.58

3431

1983

0.20

19.56

11.30

0.90

840

486

1.60

3540

2046

0.22

24.8

14.3

0.92

888

513

1.62

3652

2111

0.24

30.9

17.8

0.94

937

541

1.64

3766

2177

0.26

37.7

21.8

0.96

987

571

1.66

3882

2244

0.28

45.4

26.2

0.98

1040

601

1.68

4000

2312

0.30

53.9

31.2

1.00

1093

632

1.70

4120

2381

0.32

63.3

36.6

1.02

1149

664

1.72

4242

2452

0.34

73.7

42.6

1.04

1206

697

1.74

4366

2524

0.36

85.0

49.1

1.06

1265

731

1.76

4493

2597

0.38

97.3

56.3

1.08

1325

766

1.78

4622

2671

0.40

111

63.9

1.10

1388

802

1.80

4753

2747

0.42

125

72

1.12

1451

839

1.82

4886

2824

0.44

140

81

1.14

1517

877

1.84

5021

2902

0.46

157