CEN/TC 163/WG 4, Baths (W/Pools) - Shower trays (Performance testing)
 
                                SIS/TK 198/AG 02, Vattenförsörjning:
                                
                                CEN/TC 164/WG 1, External systems and components
 
                                CEN/TC 164/WG 10, Hot water and cold water storage within dwellings
 
                                CEN/TC 164/WG 12, Flexible hoses assemblies
 
                                CEN/TC 164/WG 13, Water conditioning equipment inside buildings
 
                                CEN/TC 164/WG 14, Valves and fitting for buildings and devices to prevent pollution by backflow
 
                                CEN/TC 164/WG 15, Security of drinking water supply
 
                                CEN/TC 164/WG 16, In-situ generating and dosing of biocides for water treatment
 
                                CEN/TC 164/WG 2, Internal systems and components
 
                                CEN/TC 164/WG 3, Effects of materials in contact with drinking water
 
                                CEN/TC 164/WG 8, Sanitary tapware
 
                                CEN/TC 164/WG 9, Drinking water treatment
 
                                SIS/TK 198/AG 03, Avloppsteknik:
                                CEN/TC 165, Waste water engineering
 
                                CEN/TC 165/WG 1, General requirements for pipes
 
                                CEN/TC 165/WG 10, Installation of buried pipes for gravity drain and sewer systems
 
                                CEN/TC 165/WG 11, Gratings, covers and other ancillary components for use inside buildings
 
                                CEN/TC 165/WG 12, Structural design of buried pipelines
 
                                CEN/TC 165/WG 13, Renovation and repair of drains and sewers
 
                                CEN/TC 165/WG 2, Vitrified clay pipes
 
                                CEN/TC 165/WG 21, Drainage systems inside buildings
 
                                CEN/TC 165/WG 22, Drain and sewer systems outside buildings
 
                                CEN/TC 165/WG 30, Terminology in the field of wastewater engineering
 
                                CEN/TC 165/WG 4, Manhole tops, gully tops, drainage channels and other ancillary components for use outside buildings
 
                                CEN/TC 165/WG 40, Wastewater treatment plants > 50 PT
 
                                CEN/TC 165/WG 41, Small type sewage treatment plants (< 50 inhabitants)
 
                                CEN/TC 165/WG 50, Use of treated wastewater
 
                                CEN/TC 165/WG 7, Steel pipes
 
                                CEN/TC 165/WG 8, Separators
 
                                CEN/TC 165/WG 9, Concrete pipes
 
                                SIS/TK 198/AG 04, Water management and reuse:
                                CEN/TC 478, Water Resilience and Sustainable Use
 
                                ISO/TC 224, Drinking water, wastewater and stormwater systems and services
 
                                ISO/TC 224/WG 1, Terminology
 
                                ISO/TC 224/WG 10, Flushable products
 
                                ISO/TC 224/WG 12, Water efficiency management
 
                                ISO/TC 224/WG 15, Smart water management
 
                                ISO/TC 224/WG 18, Management of microplastics
 
                                ISO/TC 224/WG 6, Asset management
 
                                ISO/TC 224/WG 7, Crisis management of water utilities
 
                                ISO/TC 224/WG 8, Onsite domestic wastewater management
 
                                
                                ISO/TC 282/SC 1, Treated wastewater reuse for irrigation
 
                                ISO/TC 282/SC 1/WG 1, Treated wastewater use for irrigation projects
 
                                ISO/TC 282/SC 2, Water reuse in urban areas
 
                                ISO/TC 282/SC 2/JWG 2, Joint ISO/TC 282/SC 2 - ISO/TC 282/SC 3 WG : Benefits evaluation of water reuse in urban areas
 
                                ISO/TC 282/SC 2/WG 1, Centralized system design
 
                                ISO/TC 282/SC 2/WG 3, Reclaimed water safety evaluation
 
                                ISO/TC 282/SC 2/WG 4, Decentralized systems
 
                                ISO/TC 282/SC 2/WG 5, Leachate
 
                                ISO/TC 282/SC 2/WG 6, Technology for water reuse
 
                                ISO/TC 282/SC 3, Risk and performance evaluation of water reuse systems
 
                                ISO/TC 282/SC 3/WG 2, Performance evaluation
 
                                ISO/TC 282/SC 4, Industrial water reuse
 
                                ISO/TC 282/SC 4/WG 1, Characterization of energy consumption for industrial wastewater treatment
 
                                ISO/TC 282/SC 4/WG 2, Industrial wastewater classification and treatment/reuse technology evaluation
 
                                ISO/TC 282/SC 4/WG 3, Industrial cooling water reuse
 
                                ISO/TC 282/SC 4/WG 6, Wastewater treatment and reuse in thermal power plants
 
                                ISO/TC 282/SC 4/WG 7, Treatment and reuse of petroleum refinery wastewater
 
                                ISO/TC 282/WG 2, Terminology
 
                                ISO/TC 282/WG 3, Water systems for biopharma industries