From: Revisiting the Sphere standards: comparing the revised Sphere standards to living standards in three urban informal settlements in Nairobi, Kenya
August 2012
February 2013
April 2013
November 2013
February 2014
Proportion of households meeting 15 L of water/person/day Sphere standard
54
59
50
60
Prevalence of illness in the last 2 weeks (%)
43
42
47