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Journal : Journal of the Civil Engineering Forum

Water Quality Index Performance for River Pollution Control Based on Better Ecological Point of View (A Case Study in Code, Winongo, Gadjah Wong Streams) Sri Puji Saraswati; Mochammad Venly Ardion; Yul Hendro Widodo; Suwarno Hadisusanto
Journal of the Civil Engineering Forum Vol. 5 No. 1 (January 2019)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, UGM

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (862.823 KB) | DOI: 10.22146/jcef.41165

Abstract

The quality of river water quality monitoring data sometimes can be inaccurate. Evaluation of the effectiveness of water pollution control programs needs good quality data to calculate the Water Quality Index (WQI) with the aim to meet the requirement to protect biodiversity and maintain various water functions. Thirty-five water quality variables from Code, Gadjah Wong, and Winongo rivers were taken as data, conducted by Environmental Agency of Yogyakarta in 2004 – 2015. There were only 19 out of 35 water quality variables having good data after improvement of monitoring data, transformation/standardization and analysis of the significant water quality variables with PCA (Principle Component Analysis) and Factor Analysis (FA). WQIs formula in the three rivers used the same 5 significant variables i.e. EC, DO, COD, NH3N, Total Coliform, and "weighted sum index” as the sub-index aggregation technique, with different sub-index coefficients. Winongo River had the best water quality and Gajah Wong River was the worst. According to the relationship of river water discharge and WQIs index, large discharge during rainy seasons does not always decrease the level of pollution, but it tends to increase the WQIs. More effective ways to improve the stream water quality during dry seasons should further be investigated.
Co-Authors Adi, Hanindyo Agatha Sih Piranti agus maryono Agustinus Murdjoko Agustinus Murdjoko Aisyah Hadi Ramadani Alanindra Saputra Aldawood, Abdulrahman Saad Alifa Varmlandia ALIM ISNANSETYO Amir Sidiq Anindya Kusumawati Arda dinata Arini Wijayanti Bahana Aditya Adnan Bambang Agus Kironoto Budi Mulyaningsih Dewi Puspita Sari Dewi Puspita Sari Dewi Puspita Sari Djoko Marsono Djoko Marsono Dulbahri Eko Haryono Emilya Nurjani Endang Puji Astuti Enggar Lestari Ervina Indrayani Farah Dewi Permatasari Fitria Ratna Pratiwi H.N., Kamiso Hanna Kawulur, Hanna Hanna S.I. Kawulur Hanna S.I. Kawulur, Hanna S.I. Heny Mayasari Setyoningrum, Heny Mayasari Hidayat Soesilohadi Islami, Kharisma Dinda Istriyati I Istriyati I Istriyati Istriyati Kamiso H. N. Kamiso H.N. Kamiso Handoyo Nitimulyo Kamiso Handoyo Nitimulyo KAMISO HANDOYO NITIMULYO Kamiso Handoyo Nitimulyo Kresna Tri Dewi Langgeng Wahyu Santosa Luli Gustiantini Luli Gustiantini M Widyastuti M. Sofwan Anwari, M. Sofwan Mahmed Sagi Mammed Sagi Mammed Sagi Mammed Sagi Mira Yosi Mira Yosi Mochammad Venly Ardion Muh Aris Marfai Muh Aris Marfai Muh Aris Marfai Muhamat, M Muhammad Sulaiman Nazar Nurdin Nazar Nurdin Netty Dahlah Uar Nurul Khakhim Nurul Khakhim Nurul Khakhim Pertiwi, Serly Andini Peter Gell PUGUH KARYANTO Puguh Sujarta Purnomo Purnomo Purnomo Purnomo Purnomo R.C. Hidayat Soesilohadi Raden Roro Upiek Ngesti Wibawaning Astuti Raden Wisnu Nurcahyo Rarastoeti Pratiwi Rina Puji Astuti Ronggo Sadono Rosita Tabaika, Rosita Rustadi Rustadi S. Djalal Tandjung Sagi , Mammed Setefani Yulia Tiara Putri Sevina Rahmi Sigit Heru Murti Sitti Rahmah Umniyati Sri Puji Saraswati Sri Puji Saraswati Sudarmadji Sudarmadji Sudaryatno Sudaryatno Suhestri Suryaningsih Suhestri Suryaningsih Suhestri Suryaningsih Suhestri Suryaningsih Sukirno Sukirno Sumarna, Ardi Sunarto SUNARTO Sunyoto Sunyoto Suryaningsih , Suhestri Susintowati Susintowati, Susintowati Sutikno Sutikno Tri Retnaningsih Soeprobowati Tukidal Yunianto Utami, Laila Widi Wahyu Sartika, Heni Y. Andi Trisyono Yul Hendro Widodo Yusal, Muh Sri Zunnikah, Zunnikah