Filter performance evaluation of Karangpilang III drinking water treatment plant PDAM Surya Sembada Surabaya

B. D. Marsono*, A. Camellia

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Due to uprating, decreasing the quality of the effluent filter and unstable backwash frequency on its unit filter per day result in the volatility of Karangpilang III water production quantity and quality. Two evaluations were conducted to determine the performance of the unit filter and its backwash process. The parameter used in the evaluation is turbidity. The first evaluation showed that (1) the turbidity of all units has complied with the national regulation. However, five units were found to not comply with the criteria from PDAM; (2) the ratio of backwash volume and water production indicated that the performance of filter number 5-10 was normal with a percentage between 3-7%; (3) only five units have fulfilled UFRV criteria being within the range of 300-500 m3/m2. Further assessment on filter numbers 2 and 10 was conducted using filter coring method. The loss of media, unstratified media, cracking, and air binging were seen on filter numbers 2 and 10. Based on the post-backwash turbidity value profile, removal and effluent turbidity of filter number 2 were better than filter number 10. Floc retention filter profile of filter number 10 showed different conditions in each sampling depth from 3 sampling points.

Original languageEnglish
Article number012047
JournalIOP Conference Series: Earth and Environmental Science
Issue number1
Publication statusPublished - 8 Jan 2021
Event2nd International Conference on Environment, Sustainability Issues, and Community Development, INCRID 2020 - Semarang, Virtual, Indonesia
Duration: 21 Oct 2020 → …


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