International Organization for Standardization (ISO)
Latest
ISO 24518:2015
ISO 24518:2015 Referenced Document
ISO 24510:2007 Activities relating to drinking water and wastewater services - Guidelines for the assessment and for the improvement of the service to users
ISO 24511:2007 Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services
ISO 24512:2007 Activities relating to drinking water and wastewater services - Guidelines for the management of drinking water utilities and for the assessment of drinking water services