NA 119

DIN Standards Committee Water Practice

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?


DIN e. V.

Andrea Fluthwedel

Saatwinkler Damm 42/43
13627 Berlin

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New projects
Document number Begin Title
DIN EN ISO 8224-1 rev 2020-01-09 Traveller irrigation machines - Part 1: Operational characteristics and laboratory and field test methods More  Comment 
DIN 4048-1 2020-01-08 Water engineering; terms; dam plants More  Comment 
ISO/AWI 20670 2020-01-07 Water reuse - Vocabulary More  Comment 

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Current Draft Standards
Document number Edition Title
DIN EN ISO 13162 2020-03 Water quality - Carbon 14 - Test method using liquid scintillation counting (ISO/DIS 13162:2020); German and English version prEN ISO 13162:2020 More 
DIN EN ISO 29200 2020-02 Soil quality - Assessment of genotoxic effects on higher plants - Vicia faba micronucleus test (ISO 29200:2013); German and English version prEN ISO 29200:2019 More  Read draft and comment
DIN EN ISO 14239 2020-02 Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017); German and English version prEN ISO 14239:2019 More  Read draft and comment

All draft standards  

Document number Edition Procedure Title
DIN CEN ISO/TS 21003-7; DIN SPEC 19851:2019-09 2019-09 VN Multilayer piping systems for hot and cold water installations inside buildings - Part 7: Guidance for the assessment of conformity (ISO/TS 21003-7:2019); German and English version CEN ISO/TS 21003-7:2019 More  Order from Beuth Verlag
DIN CEN/TS 17176-3; DIN SPEC 19295:2019-07 2019-07 VN Plastics piping systems for water supply and for buried and above ground drainage, sewerage and irrigation under pressure - Oriented unplasticized poly(vinyl chloride) (PVC-O) - Part 3: Fittings; German version CEN/TS 17176-3:2019 More  Order from Beuth Verlag
DIN CEN/TR 17221; DIN SPEC 19668:2019-06 2019-06 Technical Report Guidance on the application of CE marking and preparation of Declaration of Performance for sanitary appliances; German version CEN/TR 17221:2018 More  Order from Beuth Verlag


New standards
Document number Edition Title
DIN EN 17277 2020-02 Hydrometry - Measurement requirements and classification of rainfall intensity measuring instruments; German version EN 17277:2019 More  Order from Beuth Verlag
DIN EN ISO 28258 2020-02 Soil quality - Digital exchange of soil-related data (ISO 28258:2013 + Amd 1:2019); English version EN ISO 28258:2013 + A1:2019, only on CD-ROM More  Order from Beuth Verlag
ISO 22449-1 2020-01 Use of reclaimed water in industrial cooling systems - Part 1: Technical guidelines More  Order from Beuth Verlag

All standards  

Documents withdrawn without replacement
Document number Deadline for comments Title
DIN 38414-12 2020-03-31 German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of phosphorus in sludges and sediments (S 12) More  Comment 

All withdrawals