Identifikasi Pencemaran Air Sungai Batang Lembang di Kota Solok Berdasarkan Tinjauan Fisika dan Kimia

Authors

  • Rani Masita Universitas Andalas
  • Afdal Afdal Universitas Andalas

DOI:

https://doi.org/10.25077/jfu.12.2.178-184.2023

Keywords:

sungai Batang Lembang, temperatur, pH, konduktivitas listrik, TDS, kandungan logam berat, kandungan fosfat

Abstract

Telah dilakukan identifikasi pencemaran air Sungai Batang Lembang di Kota Solok berdasarkan parameter fisika dan kimia. Pengambilan sampel dilakukan sebanyak enam titik di sepanjang aliran sungai di Kota Solok. Identifikasi dilakukan berdasarkan parameter temperatur, konduktivitas listrik, pH, Total Dissolved Solid (TDS), kandungan logam berat (Hg dan Pb), dan kandungan fosfat. Analisis tingkat pencemaran menggunakan metode Indeks Pencemaran air (IP). Berdasarkan nilai IP, air sungai Batang Lembang di Kota Solok dikategorikan tercemar ringan dengan nilai IP rata-rata sebesar 1,124. Hasil pengukuran menunjukkan bahwa diantara tujuh parameter hanya parameter fosfat yang telah melebihi standar batas baku mutu air sungai kelas II menurut Peraturan Pemerintah Nomor 82 Tahun 2001. Nilai rata-rata temperatur air di sungai Batang Lembang adalah 31°C. Nilai ini lebih rendah dari temperatur udara di sekitarnya yaitu 30°C. Nilai rata-rata pH sampel air adalah 7,5 yang bersifat basa. Nilai konduktivitas listrik sampel air berkisar antara antara 136 hingga 196 µS/cm dengan nilai rata-rata yaitu 174 µS/cm. Nila rata-rata TDS sampel air adalah 87 mg/L. Konsentrasi tertinggi kandungan Hg dalam sampel air adalah 0,0010 mg/L yang berada pada batas baku mutu dan nilai Pb dalam semua sampel kecil dari 0,002 mg/L yang belum melebihi nilai batas baku mutu sebesar 0,03 mg/L.

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Published

2023-04-01

How to Cite

Masita, R., & Afdal, A. (2023). Identifikasi Pencemaran Air Sungai Batang Lembang di Kota Solok Berdasarkan Tinjauan Fisika dan Kimia. Jurnal Fisika Unand, 12(2), 179–185. https://doi.org/10.25077/jfu.12.2.178-184.2023

Issue

Vol. 12 No. 2 (2023)

Section

Articles

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