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Standard
ISO 24511
Second edition
Activities relating to drinking
2024-02
water and wastewater services —
Guidelines for the management
of wastewater utilities and for the
assessment of wastewater services
Activités relatives aux services de l'eau potable et de
l'assainissement — Lignes directrices pour la gestion des services
publics d'assainissement et pour l'évaluation des services fournis
Reference number
ISO 24511:2024(en) © ISO 2024
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ISO 24511:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 24511:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Components of wastewater systems . . 4
4.1 General .4
4.2 Types of wastewater systems .5
4.3 Centralized systems.5
4.3.1 Wastewater source .5
4.3.2 Transport from source to treatment .5
4.3.3 Treatment .6
4.3.4 Storage, transport and distribution .7
4.3.5 Disposal of residues .7
4.4 On-site-systems .7
4.4.1 Wastewater source .7
4.4.2 Collection and transport .7
4.4.3 Treatment .
...