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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About NAW Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees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
Document number DIN EN ISO 23696-2 Begin 2025-05-22 Title Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction More  Comment 
Document number DIN EN 545 rev Begin 2025-05-20 Title Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and test methods More  Comment 
Document number DIN EN ISO 23695 Begin 2025-05-20 Title Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method More  Comment 

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Current Draft Standards
Document number Edition Title
Document number DIN EN ISO 23611-1 Edition 2025-07 Title Soil quality - Sampling of soil invertebrates - Part 1: Hand-sorting and extraction of earthworms (ISO/DIS 23611-1:2025); German and English version prEN ISO 23611-1:2025 More 
Document number DIN EN ISO 19388 Edition 2025-07 Title Sludge recovery, recycling, treatment and disposal - Requirements and recommendations for the operation of anaerobic digestion facilities (ISO 19388:2023); German and English version prEN ISO 19388:2025 More 
Document number DIN 4271-2 Edition 2025-06 Title Manhole tops with vents, class B 125 - Part 2: Particulars More  Read draft and comment

All draft standards  

New publications
Document number Edition Procedure Title
Document number DIN 19596-1 Edition 2025-07 Procedure Standard Title Manhole tops without vents, classes A 15 and B 125, circular - Part 1: Summary More  Order from DIN Media
Document number DIN 19596-2 Edition 2025-07 Procedure Standard Title Manhole tops without vents, classes A 15 and B 125, circular - Part 2: Frames More  Order from DIN Media
Document number DIN 19596-3 Edition 2025-07 Procedure Standard Title Manhole tops without vents, classes A 15 and B 125, circular - Part 3: Covers More  Order from DIN Media

All publications  

Documents withdrawn without replacement
Document number Deadline for comments Title
Document number DIN 4034-1 Deadline for comments 2025-07-31 Title Prefabricated concrete manholes, unreinforced, steel fibre and reinforced - Part 1: Requirements, test methods and marking for drains and sewers in addition to DIN EN 1917:2003-04 More  Comment 

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