This standard BS EN 12255-11:2023 Wastewater treatment plants is classified in these ICS categories:
13.060.30 Sewage water
This document specifies data which is necessary for the planning, design, bidding, performance guarantees, construction, start-up and compliance testing of a wastewater treatment plant or parts of it. This document gives fundamental information about the practices; this document has not attempted to specify all available practices.