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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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 1451-1 rev 2026-06-10 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polypropylene (PP) - Part 1: Specifications for pipes, fittings and the system More  Comment 
ISO/AWI 26615 2026-06-10 Guidelines for the urban reclaimed water for the production of ultra-pure water used in the electronics and semiconductor industries More  Comment 
DIN CEN/T? 00203079 2026-06-09 Ductile Iron pipes fittings and accessories - Product and process related guidance for drinking water hygienic aspects More  Comment 

All projects  

Current Draft Standards
Document number Edition Title
DIN EN 545 2026-08 Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods; German and English version prEN 545:2026 More 
DIN 19698-6 2026-08 Characterization of solids - Sampling of solid and semi-solid materials - Part 6: In situ sampling, with CD-ROM More 
DIN EN 1852-1 2026-07 Plastics piping systems for non-pressure underground drains and sewers - Polypropylene (PP) - Part 1: Specifications for pipes, fittings and the system; German and English version prEN 1852-1:2026 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN ISO 11074 2026-07 Standard Soil quality - Vocabulary (ISO 11074:2025); German version EN ISO 11074:2025 More  Order from DIN Media
DIN 19643-3/A1 2026-07 Standard Treatment of water of swimming pools and baths - Part 3: Combinations of process with ozonization and chlorination; Amendment A1 More  Order from DIN Media
DIN 19643-2/A1 2026-07 Standard Treatment of water of swimming pools and baths - Part 2: Combinations of process with fixed bed filters and precoat filters; Amendment A1 More  Order from DIN Media

All publications  

Documents withdrawn without replacement
Document number Deadline for comments Title
DIN EN 16397-1 2026-07-31 Flexible couplings - Part 1: Performance requirements; German version EN 16397-1:2014 More  Comment 
DIN EN 16397-2 2026-07-31 Flexible couplings - Part 2: Characteristics and testing for metal banded flexible couplings, adaptors and bushes; German version EN 16397-2:2014 More  Comment 

All withdrawals  

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