Abstrak Akses terhadap air bersih yang aman merupakan faktor penting dalam menjaga kesehatan anak usia sekolah dasar. Namun, keterbatasan fasilitas pengolahan air dan rendahnya kesadaran kebersihan masih menjadi permasalahan di sejumlah sekolah, termasuk SD Negeri Rappojawa No. 71 Makassar yang menggunakan air sumur tanpa sistem filtrasi memadai. Kegiatan Pengabdian Kepada Masyarakat ini bertujuan untuk meningkatkan pengetahuan dan kesadaran kesehatan siswa melalui sosialisasi serta penerapan teknologi sederhana filtrasi air. Metode kegiatan meliputi penyuluhan interaktif mengenai pentingnya air bersih, demonstrasi pembuatan alat filtrasi sederhana berbasis pasir, karbon aktif, dan keramik, serta evaluasi pemahaman siswa menggunakan pre-test dan post-test. Kegiatan ini melibatkan 30 siswa kelas V sebagai peserta. Hasil evaluasi menunjukkan adanya peningkatan rata-rata skor pengetahuan siswa sebesar 43,33% setelah kegiatan dilaksanakan. Selain itu, siswa menunjukkan partisipasi aktif dan pemahaman yang lebih baik terhadap konsep air bersih dan perilaku hidup bersih dan sehat. Kegiatan ini dinilai efektif sebagai upaya edukasi kesehatan lingkungan di sekolah dasar dan berpotensi untuk direplikasi pada sekolah lain guna mendukung peningkatan kualitas kesehatan dan pencapaian tujuan pembangunan berkelanjutan di bidang air bersih dan sanitasi. Kata kunci: air bersih; filtrasi air sederhana; pengolahan air; kesehatan siswa; sekolah dasar. Abstract Access to safe and clean water is essential for maintaining the health of elementary school children. However, limited water treatment facilities and low hygiene awareness remain challenges in many schools, including SD Negeri Rappojawa No. 71 Makassar, which relies on untreated well water without an adequate filtration system. This community service program aimed to improve students’ knowledge and health awareness through educational activities and the implementation of simple water filtration technology. The program methods included interactive sessions on the importance of clean water, demonstrations of simple filtration devices using sand, activated carbon, and ceramic materials, as well as pre-test and post-test assessments to evaluate students’ understanding. A total of 30 fifth-grade students participated in the program. The results showed an average increase of 43.33% in students’ knowledge scores after the program implementation. In addition, students demonstrated active participation and a better understanding of clean water utilization and clean and healthy living behaviors. These findings indicate that the integration of simple water filtration technology with health education is effective in enhancing environmental health literacy among elementary school students. This program has the potential to be replicated in other schools to support improved health outcomes and the achievement of sustainable development goals related to clean water and sanitation. Keywords: clean water; simple water filtration; water treatment; health awareness; elementary school.
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