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All Journal Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) TEKSTUR : Jurnal Teknologi Infrastruktur
Muji Listyo Widodo
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Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Public Health Transportation

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STRATEGI PENGELOLAAN LINGKUNGAN DI DAERAH ALIRAN SUNGAI TAYAN DALAM MENGURANGI PENCEMARAN SUNGAI Julianti Marbun; Shandra Andina Rahsia; Muji Listyo Widodo
Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) Vol. 7 No. 2 (2024): Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS)
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Banten Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/jls.v7i2.3851

Abstract

Permasalahan yang terjadi pada daerah aliran sungai Tayan di Kecamatan Tayan adalah pencemaran air sungai sehingga menyebabkan terbatasnya ketersediaan air bersih. Warga di pinggiran Sungai Tayan masih menggunakan air Sungai Tayan untuk kebutuhan sehari-hari. Tujuan penelitian ini adalah untuk menganalisis kualitas air sungai Tayan dan strategi pengelolaan lingkungan pada Daerah Aliran Sungai (DAS) Tayan. Penelitian ini menggunakan analisis data kualitatif, dari hasil sampel air sungai yang diuji menggunakan standar baku mutu air sungai. Hasil penelitian menunjukkan kualitas air Sungai Tayan mengalami tingkat pencemaran pada parameter pH, Nitrit, dan Tembaga. Hal ini terjadi karena aktivitas pemanfaatan sumberdaya alam yang dilakukan oleh masyarakat seperti perkebunan sawit, penambangan emas tanpa ijin, dan limbah domestik. Strategi dalam pengelolaan lingkungan di Daerah Aliran Sungai Tayan dapat dilakukan dengan pendekatan aspek ekologi, sosial, dan ekonomi. Aspek ekologi dapat diwujudkan dengan pelestarian lingkungan secara berkelanjutan, sedangkan aspek sosial dan ekonomi dapat dilakukan dengan peningkatan kearifan lokal budaya masyarakat di sepanjang aliran Sungai Tayan.
TINJAUAN DRAINASE PADA JALAN CADIKA KABUPATEN SINTANG PROVINSI KALIMANTAN BARAT Emilia Voni; Muji Listyo Widodo; Yufiansyah
Jurnal Teknologi Infrastruktur Vol 8 No 1 (2026): Jurnal Teknologi Infrastruktur Vol 8 No 1 Tahun 2026
Publisher : Fakultas Teknik Universitas Panca Bhakti

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Abstract

Waterlogging along Cadika Road, Sintang Regency, West Kalimantan Province, indicates a problem in the urban drainage system caused by high rainfall intensity. This condition disrupts community activities, accelerates road infrastructure damage, and increases environmental risk. This study aims to analyze the design flood discharge, evaluate the capacity of the existing drainage channel, and redesign the channel dimensions so that it can effectively convey surface runoff. A quantitative descriptive approach was used, combining primary data from field observation of inundation and channel conditions with secondary data consisting of ten years (2016–2025) of daily maximum rainfall from the BMKG Tebelian Sintang station. Hydrological analysis was carried out using three frequency-distribution methods—Normal, Log Pearson Type III, and Gumbel—tested for goodness of fit using the Chi-Square and Smirnov-Kolmogorov tests. The Gumbel distribution was selected as the primary reference because its statistical parameters satisfied the theoretical criteria for extreme data, with a coefficient of variation (Cv) of 0.195, a coefficient of skewness (Cs) of 1.035 (≤ 1.139), and a coefficient of kurtosis (Ck) of 5.008 (≤ 5.400). Design flood discharge was calculated with the Rational Method, while channel capacity was analyzed using Manning's equation. Results show that the existing channel capacity cannot accommodate the design flood discharge for any return period. On the left side, the existing capacity is only 0.6932 m³/s, while the design flood discharges for the 2-, 5-, and 10-year return periods are 2.564, 3.177, and 3.582 m³/s, respectively; a similar deficit occurs on the right side. The channel dimensions were therefore redesigned to a width of 1.10 m and a depth of 1.20 m for both sides, increasing the capacity to 3.613 m³/s, which is sufficient to accommodate all design flood discharges (Qs > Qr). Keywords: channel capacity; drainage; flood; inundation; rainfall
Co-Authors Emilia Voni Julianti Marbun Shandra Andina Rahsia Yufiansyah