ISO INTERNATIONAL STANDARD 16075-2 Second edition 2020-11 Guidelines for treated wastewater use for irrigation projects - Part 2: Development of the project Lignes directrices pour I'utilisation des eaux usees traitees en irrigation- Partie2:Développementduprojet Reference number IS0 16075-2:2020(E) ISO @ISO 2020 IS016075-2:2020(E) COPYRIGHTPROTECTEDDOCUMENT @IS02020 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 below or Iso's memberbody 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: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved IS0 16075-2:2020(E) Contents Page Foreword ..iv Introduction ..V 1 Scope. ..1 2 Normative references ..1 3 Terms,definitions,andabbreviatedterms. ..1 3.1 Abbreviated terms. .2 Public health and Tww qualityto considerations .2 4 4.1 TwW qualitylevels .2 4.2 TWW quality for irrigation use. 6 4.2.1 Agricultural use. .6 4.2.2 Urban use 6 4.3 TwW irrigation barriers. .6 4.3.1 General 6 4.3.2 Types of barriers. .7 4.3.3 Crops for irrigation without limitations. 7 4.3.4 Barriers inthe irrigation ofpublic gardens .7 4.3.5 Barriers in the irrigation of fodder crops. 7 4.3.6 Applicablebarriersthatmaybeuse .7 4.3.7 Barriers needed forirrigation with TwW accordingtotheirquality .9 5 Publichealthaspectsofflood andfurrowirrigationwithTww ..10 6 Public health risks for surrounding residents ..11 7 Public health aspects of garden irrigation with treated greywater .11 7.1 General .11 7.2 Protectingpublic health. .11 7.2.1 Maintaininghighquality of TGWusedfor irrigation .12 7.2.2 Preventing contamination of the drinking water distribution network .12 7.2.3 TGWirrigation time .12 7.2.4 TGWirrigation equipment .12 7.2.5 Signage .12 Annex A (informative) Adjustment of the TwwW quality used for irrigation and the barriers thatcanbeusedtothetypes of cropsthatcanbeirrigated withtheTww .13 Bibliography .19 IS0 2020-All rights reserved ili