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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