Changes

The costs of water, sanitation and hygiene services include expenditure on construction of water and sanitation systems, operation and maintenance and eventual rehabilitation of infrastructure. It also includes training and support to service providers, cost of capital, and expenditures for monitoring, planning and policy making. They are often referred to as life-cycle costs; the costs of delivering water, sanitation and hygiene services indefinitely to a specific population in a particular geographic area.

[[Image:Costs intro fg 1.jpg|thumb|center|600px|Figure 1. Source: Fonseca, C. et al., 2010b]]