“…WIN (2000) estimated that 18 percent of US households, many of them poor, paid more than 4 percent of their income on their water and sewer bill in 1997, with 13 A 50 percent annual breakdown rate is also near the rate hypothesized by members of the HO staff. 14 Assuming the median rural household has 5 members (Lunde (2009), Table 1.11), then the 25th, 50th, and 75th percentiles of monthly household income are, respectively, 1,665, 3,335, and 6,250 gourdes (Lunde (2009) , Table 7.11). These costs are also comparable to estimates of the costs for providing chlorine (Lantagne et al (2007)).…”