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DVGW W 399
Unplanned Supply Interruptions
Edition
2020-09
DVGW W 400-1
Technical rules for water supply systems - Part 1: Design
Edition
2015-02
DVGW W 400-2
Technical Rules for Water Supply Systems - Part 2: Construction and Testing
Edition
2022-08
DVGW W 400-3
Technical Rules for Water Supply Systems – Part 3: Operation and Maintenance
Edition
2025-07
DVGW W 402
Network and failure statistics - Collection and processing of data for the maintenance of water distribution systems
Edition
2010-09
DVGW W 402-B1
Statistics of the Network and its Damages - Collection and Analysis of Data for the Maintenance of Water Supply Networks - Supplement 1: Nationwide Data Collection
Edition
2019-07
DVGW W 403
Decision-Support for the Rehabilitation of Line and Mass Objects in Water Distribution Systems
Edition
2025-04
DVGW W 405
Bereitstellung von Löschwasser durch die öffentliche Trinkwasserversorgung
Edition
2008-02
DVGW W 405-B1
Supply of Fire Water via the Public Drinking Water Supply - Supplement 1: Prevention of Detriments to the Drinking Water und to the Network During the Abstraction of Fire Water
Edition
2016-06
DVGW W 406
Water meter management
Edition
2021-05
