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NA 119

DIN Standards Committee Water Practice

About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

About NAW

The DIN Standards Committee Water Practice (NAW) is responsible for the standardization in the concise field of water-related aspects and promotes the propagation and application of these standards. The technical work is performed in the committees Environment (waste, soil and water quality), Water engineering, Water supply and Waste water engineering. The NAW takes care of the national contribution to European and International standardization in these fields.

How is NAW composed?


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Christiane Loser

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
DIN EN 887 rev 2024-12-17 Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate More  Comment 
DIN EN 15848 rev 2024-12-17 Water conditioning equipment inside buildings - Adjustable chemical dosing systems - Requirements for performance, safety and testing More  Comment 
DIN EN 00155A25 2024-12-13 Plastics piping systems for non-pressure underground conveyance and storage of surface water - Boxes used for infiltration, attenuation and storage systems - Creep test More  Comment 

All projects  

Current Draft Standards
Document number Edition Title
DIN EN 15383 2025-02 Plastics piping systems for drainage and sewerage - Glass-reinforced thermosetting plastics (GRP) based on polyester resin (UP) - Manholes and inspection chambers; German and English version prEN 15383:2025 More 
DIN 4051-1 2025-02 Sewer clinkers - Part 1: Requirements and testing More 
DIN 4051-100 2025-02 Sewer clinker - Proof of conformity for sewer clinker according to DIN 4051-1 More 

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN 12122 2025-02 Standard Chemicals used for treatment of water intended for human consumption - Ammonia solution; German version EN 12122:2024 More  Order from DIN Media
DIN EN 1302 2025-02 Standard Chemicals used for treatment of water intended for human consumption - Aluminium-based coagulants - Analytical methods; German version EN 1302:2024 More  Order from DIN Media
DIN EN ISO 13164-4 2025-01 Standard Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023); German version EN ISO 13164-4:2023 More  Order from DIN Media

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