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Table 4 Pit latrine fill-up rates and annual sludge contribution per person

From: Pit latrine fill-up rates: variation determinants and public health implications in informal settlements, Nakuru-Kenya

Fill-up Rates (m3/yr.)

Individual (l/p/yr.)

Location

Mean ± SD

Min

Max

Mean ± SD

Min

Max

Hilton

0.78 ± 0.91

0.12

3.01

47.26 ± 7.84

11.69

100.96

Free area

0.59 ± 0.50

0.01

1.49

34.10 ± 20.94

16.62

75.39

Kaptembwo

2.16 ± 2.71

0.06

10.32

51.00 ± 41.10

14.70

147.2

Jewadhu

0.24 ± 0.59

−0.76

1.54

31.30 ± 14.70

14.8

59.51

Njokerio

0.01 ± 0.64

−0.98

1.37

47.26 ± 24.79

21.93

101.36

  1. Volume changes calculated per person per day and modelled to annual, 10 months sampling duration