ABSTRACT
The 1000 Water Sources Expedition Program by the Onsight Foundation in Ngelo, Wonogiri utilizes vertical cave water sources to overcome a decades-long clean water crisis. This study aims to examine the implementation of Dakwah Bil Halthrough the 1000 Water Sources Expedition Program in enhancing access to clean water. Employing a descriptive qualitative approach, data collection involved in-depth interviews, with data analysis encompassing data reduction, presentation, and verification. The findings reveal that the 1000 Water Sources Expedition Program in Ngelo Hamlet proceeded through pre-implementation, implementation, and post-implementation phases, facilitated by participatory communication actively involving the community. Rope access and speleology technologies were employed to access water sources within vertical caves, providing a stable supply of clean water throughout the year. The program not only fulfills basic water needs but also reinforces religious, social, and economic activities. The community participates in water management and MSME empowerment, supported by socio-religious activities. The program successfully enhances solidarity, religious awareness, and overall community independence. The study concludes that water endowment (wakaf) serves as an effective strategy for dakwah and empowerment, resolving clean water access issues while fostering religiosity, mutual cooperation, and improving the welfare of rural communities.
Keywords: Crisis, Water, Dakwah, Bil Hal

ABSTRAK
Program Ekspedisi 1000 Sumber Air oleh Yayasan Onsight Foundation di Ngelo, Wonogiri, memanfaatkan sumber air gua vertikal untuk mengatasi krisis air bersih puluhan tahun. Penelitian ini bertujuan mengkaji pelaksanaan dakwah Bil hal dengan Program Ekspedisi 1000 Sumber Air dalam meningkatkan akses air bersih. Penelitian ini menggunakan pendekatan kualitatif deskriptif, pengumpulan data wawancara mendalam, dan analisis data meliputi reduksi, penyajian, serta verifikasi data. Hasil penelitian menunjukkan bahwa Program Ekspedisi 1000 Sumber Air di Dusun Ngelo berjalan melalui tahap pra-pelaksanaan, pelaksanaan, dan pasca-pelaksanaan dengan komunikasi partisipatif yang melibatkan masyarakat aktif. Teknologi rope access dan speleologi digunakan untuk mengakses sumber air dalam gua vertikal, menyediakan air bersih yang stabil sepanjang tahun. Program ini tidak hanya memenuhi kebutuhan dasar air, tetapi juga memperkuat aktivitas keagamaan, sosial, dan ekonomi. Masyarakat terlibat dalam pengelolaan air dan pemberdayaan UMKM, serta didukung kegiatan sosial-keagamaan. Program berhasil meningkatkan solidaritas, kesadaran religius, dan kemandirian masyarakat secara menyeluruh. Kesimpulan penelitian menegaskan wakaf air sebagai strategi dakwah dan pemberdayaan efektif, menyelesaikan akses air bersih, membangkitkan keagamaan, gotong royong, dan meningkatkan kesejahteraan masyarakat pedesaan.

Kata kunci: Krisis, Air, Dakwah, Bil Hal