Distribution of Clean Water Quality Levels in SPAMDes Ngudi Tirto Kulon Progo Burhan Barid, Aldila Rahmi Zoana, Ani Hairani, Puji Harsanto, Surya Budi Lesmana and Siti Muawanah Robial BIO Web Conf., 137 (2024) 03016 Published online: 11 November 2024 DOI: 10.1051/bioconf/202413703016