International ISO Standard ISO24511 Activities relating to drinking Second edition 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 I'eau potable et de I'assainissement Lignes directrices pour la gestion des services publics d'assainissement et pour I'évaluation des services fournis Reference number ISO 24511:2024(en) @ ISO 2024 IS0 24511:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or Iso's member body in the country ofthe requester. ISO copyright office CP 40i:Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @IS02024-Allrightsreserved i

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