Connection to water resources This section refers to the types of housing unit’s connection to water resources: 1. Public Network: This category applies to Housing units connected to public water networks belonging to the water company, municipalities, or municipal councils. 2. Private System: This category applies to Housing units connected to a private water resource providing the household with water. Usually, this type is owned by a group of persons. 3. No piped Water: This category applies to housing units not connected to public water networks nor to private system.