Sanitasi: Jurnal Kesehatan Lingkungan
Vol. 18 No. 2 (2025): August 2025

Pengaruh waktu paparan sinar UV-C terhadap penurunan Total coliform air bersih PT. X

Ambarwati Setia Ningrum (Politeknik Kesehatan Kementerian Kesehatan Bandung)
Nany Djuhriah (Politeknik Kesehatan Kementerian Kesehatan Bandung)
Mimin Karmini (Politeknik Kesehatan Kementerian Kesehatan Bandung)



Article Info

Publish Date
05 Aug 2026

Abstract

Air bersih di PT. X mengandung 38 CFU/100 ml Total Koliform, yang melebihi standar penggunaan domestik. Penelitian eksperimental ini bertujuan untuk menentukan pengaruh variasi lama paparan sinar UV-C (15, 30, dan 45 detik) terhadap pengurangan Total Koliform dalam air sumur bor perusahaan. Dengan menggunakan rancangan posttest dengan kelompok kontrol, 24 sampel diuji dalam 6 ulangan. Uji ANOVA Satu Arah (p < 0,05) menunjukkan adanya pengaruh yang signifikan dari waktu paparan terhadap pengurangan bakteri. Perlakuan yang paling efektif adalah paparan sinar UV-C selama 45 detik, yang mencapai pengurangan sebesar 100% (0 CFU/100 ml). Sangat disarankan agar industri mengintegrasikan metode desinfeksi fisik ini ke dalam sistem pengolahan air bersih mereka untuk memenuhi standar mikrobiologis.   The effect of UV-C exposure time on the reduction of total coliforms in drinking water at PT. XAbstract: Clean water at PT. X contains 38 CFU/100ml of Total Coliform, exceeding the domestic usage standards. This experimental study aims to determine the effect of varying UV-C light exposure times (15, 30, and 45 seconds) on Total Coliform reduction in the company's drilled well water. Using a posttest with control design, 24 samples were tested across 6 replications. The One-Way ANOVA test (p < 0.05) indicated a significant effect of exposure time on bacterial reduction. The most effective treatment was 45 seconds of UV-C exposure, which achieved a 100% reduction (0 CFU/100ml). It is highly recommended that the industry integrate this physical disinfection method into their clean water treatment systems to meet microbiological standards.

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Journal Info

Abbrev

Sanitasi

Publisher

Subject

Health Professions

Description

The aim of this journal is to publish good-quality articles dedicated to all aspects of the latest outstanding developments in the field of enviromental health. Its scope encompasses Land Sanitation and Waste Management, Water Sanitation, Vectors and Pests Control, Food and Beverage Sanitation, ...