prEN 18247-1

Performance testing of on-site non-potable water systems - Part 1: Greywater systems prEN 18247-1

Publication date:   Oct 23, 2025

Scope

This document specifies the testing conditions to assess the treatment performances of greywater systems.
Excluded from the scope of this document are:
- the testing of rainwater harvesting systems;
- the testing of systems for direct use as mentioned in EN 16941–2 "On-site non-potable water systems - Part 2: Systems for the use of treated greywater";
- the testing of blackwater treatment systems;
- the testing of wastewater treatment plant.