scope:

This International Standard provides guidance for the operation and maintenance (O&M) of basic on-site domestic wastewater services (ODWS), using appropriate technologies in their entirety at any level of development. This International Standard supplements and is intended to be used in conjunction with ISO 24513 and ISO 24521. It provides assistance to relevant authorities, training organizations, certification bodies, and other responsible entities for the development of regulations, plans, manuals as well as information and training materials addressed to operators and users of ODWS. This International Standard is applicable to both publicly and privately operated on-site domestic wastewater (blackwater and greywater) systems, for one or more dwellings or other premises where wastewater is generated. The scope of this International Standard includes the following: • guidance on the O&M of on-site domestic wastewater systems from the operator's perspective • guidance on the O&M of on-site domestic wastewater systems from the user's perspective • guidance on training and information aspects • guidance on environmental, health and safety issues