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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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 4048-2 2025-12-04 Water engineering; Vocabulary; part 2: waterpower plants More  Comment 
DIN 4220 2025-12-04 Pedologic site assessment - Designation, classification and deduction of soil parameters (normative and nominal scaling) More  Comment 
ISO/AWI 25177 2025-11-28 Soil quality - Field soil description More  Comment 

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Current Draft Standards
Document number Edition Title
DIN EN ISO 5667-1 2026-02 Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO/DIS 5667-1:2025); German and English version prEN ISO 5667-1:2025 More 
DIN EN 17151-2 2026-01 Plastics piping systems for non-pressure underground conveyance and storage of surface water - Part 2: Test method for determination of creep behaviour of boxes; German and English version prEN 17151-2:2025 More  Read draft and comment
DIN EN 17151-1 2026-01 Plastics piping systems for non-pressure underground conveyance and storage of surface water - Part 1: Test method for determination of long-term compression strength of boxes; German and English version prEN 17151-1:2025 More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
DIN EN ISO 11350 2026-01 Standard Water quality - Determination of the genotoxicity of water and waste water - Salmonella/microsome fluctuation test (Ames fluctuation test) (ISO 11350:2012); German version EN ISO 11350:2025 More  Order from DIN Media
DIN 1988-600 2026-01 Standard Codes of practice for potable water installations - Part 600: Potable water installations in connection with fire fighting and fire protection installations More  Order from DIN Media
DIN EN ISO 24212 2025-12 Standard Remediation techniques applied at contaminated sites (ISO 24212:2024); German version EN ISO 24212:2024 More  Order from DIN Media

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