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Afkril, Baina
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Agriculture, Biological Sciences & Forestry Environmental Science

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Analisis Kualitas Air Hujan Di Manokwari Yang Disaring Dengan Menggunakan Sistem Penyaring Sederhana Rudyanita Lestari, Romadhoni; Afkril, Baina; M. G. Sadsoeitoeboen, Bernadetta
Cassowary Vol 7 No 2 (2024): Juni
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v7.i2.302

Abstract

ABSTRACT: Manokwari Regency is located in a tropical climate zone that experiences high rainfall in the rainy season so that it has the potential as an area for rainwater harvesting. Rainwater can be used as a source of clean water through rainwater harvesting by applying a filter system. This study aims to design a simple rainwater filtration system and analyze the quality of the filtered rainwater. The filter system is designed using layers of natural materials, in order from top to bottom are gravel, sand, charcoal and juk. Filtered rainwater samples for 3 different rain events were taken for quality testing based on physical parameters and chemical parameters. The results showed that physically, the filter system was able to reduce suspended material (TSS) in rainwater, however, the mineral content in the filter material contributed greatly to the increase in dissolved solids (TDS). Chemically, water passing through the filter system has a consistent increase in concentration of pH, nitrate, iron and sulfate parameters, but is able to reduce hardness and ammonia content In terms of quality, all filtered rainwater samples are still in the clean water quality standards and drinking water standards according to Minister of Health Regulation No. 2 of 2023 and Government Regulation of the Republic of Indonesia No. 22 of 2021 concerning class I water quality standards annex VI, while for pure rain, the chemical content with ammonia parameters does not meet the standards of class I water quality standards annex VI of Government Regulation of the Republic of Indonesia No. 22 of 2021.
Pengaruh partikel tersuspensi dari berbagai variabel hidrologi terhadap kualitas air sungai maruni di Kabupaten Manokwari Adriana, Vivi; Heryanto Langsa, Markus; Afkril, Baina
Cassowary Vol 8 No 2 (2025): April
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i2.453

Abstract

ABSTRACT: This study aims to analyze the effect of suspended particles (TSS) from various hydrological variables on the water quality of the Maruni River in Manokwari Regency. The method used in this research is quantitative descriptive method. Hydrological variable data includes calculation of erosion rate, Sediment Delivery Ratio (SDR), estimated sediment size and surface water runoff discharge. Water quality is measured based on the physical parameters of particle content/suspended density and turbidity. The sampling method refers to SNI and water sample quality testing was carried out at the University of Pa-pua PPLH Environmental Laboratory. The results showed that the erosion rate value in Maruni watershed was 101.001 (tons/ha/yr) with the category of moderate erosion hazard level. Sediment Delivery Ratio (SDR) of Maruni watershed is 0,15 or 15%. The total value of sediment potential generated is 41757,98 tons/year. The surface water runoff discharge that occurs in the Maruni watershed is 48,11 m3 /second. TSS and turbidity concentrations in hot conditions still meet the National Water Quality Standards, while in rainy conditions at mid to downstream points the TSS concentration ranges from 89 mg/L- 228 mg/L and Turbidity ranges from 76.1 NTU- 237.5 NTU has exceeded the National Water Quality Standards according to Appendix VI of Government Regulation No. 22 of 2021 class B for TSS and Minister of Health Regulation (PERMENKES) No. 32 of 2017 for turbidity. Based on the identification results, recommendations for land and water conservation efforts can be made to reduce the risks that occur and maintain water quality.
Co-Authors Heryanto Langsa, Markus M. G. Sadsoeitoeboen, Bernadetta Rudyanita Lestari, Romadhoni Vivi Adriana