On-site non-potable water systems - Part 1: Systems for the use of rainwater
This document specifies the requirements and gives recommendations for the design, sizing, installation, identification, commissioning and maintenance of rainwater harvesting systems for the use of rainwater on-site as non-potable water. This document also specifies the minimum requirements for these systems. Excluded from the scope of this document are - the use as drinking water and for food preparation, - the use for personal hygiene purposes, - attenuation and - infiltration. NOTE Conformity with the document does not exempt from compliance with the obligations arising from local or national regulations.

On-site non-potable water systems - Part 2: Systems for the use of treated greywater
This document specifies the principles of design, sizing, installation, identification, commissioning and maintenance of greywater systems with the purpose of use of greywater on-site. It applies preferably for the use of treated greywater for: - WC flushing; - garden watering; - laundry; - cleaning purposes. This document also specifies the minimum requirements for greywater systems. Excluded from the scope of this document are: - the use as drinking water and for food preparation; - the use for personal hygiene purposes; - direct reuse systems without treatment; - product design for specific system components; - industrial effluents; - heat recovery and cooling demands. NOTE Conformity with this document does not exempt from compliance with the obligations arising from local or national regulations.

On-site non-potable water systems - Part 1: Systems for the use of rainwater
This European Standard specifies the requirements and gives recommendations for the design, sizing, installation, identification, commissioning and maintenance of rainwater harvesting systems for the use of rainwater on-site as non-potable water. This European Standard also specifies the minimum requirements for these systems. Excluded from the scope of this European Standard are: - the use as drinking water and for food preparation; - the use for personal hygiene purposes; - decentralized attenuation; - infiltration. NOTE Conformity with the standard does not exempt from compliance with the obligations arising from local or national regulations.