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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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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DIN e. V.
Dr.
Christiane Loser

Am DIN-Platz
Burggrafenstraße 6
10787 Berlin

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New projects
Document number Begin Title
DIN 38414-17 2026-07-06 German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 17: Determination of the organically bound halogens amenable to extraction (EOX) (S 17) More  Comment 
DIN CEN/T? 00474011 2026-06-24 Use of polymer and composite materials in pipeline transportation of CO₂ streams in gaseous and dense phase More  Comment 
ISO/AWI 20468-12 2026-06-23 Performance evaluation of treatment technologies for water reuse systems - Part 12: Guidelines for characteristic evaluation of treatment systems based on water footprint concept More  Comment 

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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  Read draft and comment
DIN 19938-2 2026-08 Gaskets for socket joints in ductile iron or steel pipelines for water supply - Part 2: Conformity assessment More 
DIN EN ISO 22125-2 2026-08 Water quality - Technetium-99 - Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) (ISO/DIS 22125-2:2026); German and English version prEN ISO 22125-2:2026 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN ISO 13646 2026-08 Standard Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO 13646:2025); German version EN ISO 13646:2025 More  Order from DIN Media
DIN EN 18161 2026-08 Standard Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment; German version EN 18161:2026 More  Order from DIN Media
DIN CEN/TS 1852-2 2026-08 VN Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Part 2: Guidance for the assessment of conformity; German version CEN/TS 1852-2:2026 More  Order from DIN Media

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Documents withdrawn without replacement
Document number Deadline for comments Title
DIN EN 12763 2026-08-31 Fibre-cement pipes and fittings for discharge systems for buildings - Dimensions and technical terms of delivery; German version EN 12763:2000 More  Comment 
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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