This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/wej.12672 This article is protected by copyright. All rights reserved DR ISSAM A. AL-KHATIB (Orcid ID : 0000-0001-9303-0927) Article type : Full length original research paper Current trends of public opinion towards block water tariff in developing countries: A case study from Al-Bireh City, Palestine Issam A. Al-Khatib 1,* , Ala’ Abu Ali 2 , Brooke Hannon 3 , Defne S. Apul 4 , Ilke Celik 5 1 Institute of Environmental and Water Studies, Birzeit University, Birzeit, Palestine 2 Faculty of Graduate Studies, Birzeit University, Birzeit, Palestine 3 Department of Environmental and Civil Engineering, University of Wisconsin – Platteville, 1 University Plaza Platteville, WI 53818 4 Department of Civil Engineering, University of Toledo, 2801 W. Bancroft St. MS 307, Toledo, OH, 43606 5 Department of Civil and Environmental Engineering, South Dakota School of Mines and Technology - 501 E. St. Joseph St Rapid City, SD 57701 * Corresponding Author, e-mail: ikhatib@birzeit.edu; ikhatib2012@yahoo.com, Tel. +972-22982120, Fax: +972-22982120). Accepted Article