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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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


Contact

DIN e. V.
Dr.
Christiane Loser

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
DIN EN 1717 2026-04-08 Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow More  Comment 
DIN EN 00230490 2026-04-01 Water quality - Determination of trifluoroacetic acid (TFA) in water - Method using liquid chromatography and mass spectrometric detection (LC MS/MS) after direct injection More  Comment 
DIN 19639 2026-03-25 Soil protection during planning and execution of construction projects More  Comment 

All projects  

Current Draft Standards
Document number Edition Title
DIN EN ISO 22125-1 2026-06 Water quality - Technetium-99 - Part 1: Test method using liquid scintillation counting (ISO/DIS 22125-1:2026); German and English version prEN ISO 22125-1:2026 More 
DIN EN 1401-1 2026-05 Plastics piping systems for non-pressure underground drains and sewers - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the systems; German and English version prEN 1401-1:2026 More  Read draft and comment
DIN EN ISO 9308-2 2026-05 Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number method (ISO/DIS 9308-2:2026); German and English version prEN ISO 9308-2:2026 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN 15074 2026-06 Standard Chemicals used for treatment of swimming pool and spas water - Ozone; German version EN 15074:2026 More  Order from DIN Media
DIN EN 15077 2026-06 Standard Chemicals used for treatment of swimming pool and spas water - Sodium hypochlorite; German version EN 15077:2026 More  Order from DIN Media
DIN EN 15542 2026-05 Standard Ductile iron pipes, fittings and accessories - External cement mortar coating for pipes - Requirements and test methods; German version EN 15542:2026 More  Order from DIN Media

All publications  

Documents withdrawn without replacement
Document number Deadline for comments Title
DIN 3606 2026-05-31 Pipe hoisting caps for casing pipes according to DIN 4918 More  Comment 

All withdrawals  

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