One cooperative ecosystem with a range of interconnected business units — growing together with our members, backed by structured governance and technology that keeps evolving.
Founded by the extended family of PERUMDA Air Minum Tirta Raharja, KKB Tirta Raharja is oriented around the service and needs of its members — with governance that is transparent, accountable, and professional.
Learn More About KKB Tirta RaharjaA variety of business units, each with its own character, working together within one cooperative ecosystem.
Savings and loan services for members to support daily economic needs and business development.
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Daily needs, food, and drinks for members through a business run on a partnership and profit-sharing basis.
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Distribution of clean water to customers and areas in need.
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Procurement of goods and operational needs for the cooperative and its partners.
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Water meter reading through a digital app, accurate and transparent.
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A variety of services, functions, and business activities carried out by KKB Tirta Raharja to support operational, administrative, technology, data management, and partnership needs according to its scope of work.
View Details →Each business unit plays a different role, yet all are connected and support one another's growth and the members' wellbeing.
A clear governance flow from the Annual General Meeting down to all business units working together within one ecosystem.
Technology supports the whole ecosystem — not just one business unit — from data management and application infrastructure to operational monitoring.
Supports the management of various business units through connected systems and workflows.
Supports administration, reporting, and decision-making across every business unit.
Tracks business and operational activity so it stays measurable and efficient.
Development is paced to match the character and readiness of each business unit.
The latest information about KKB Tirta Raharja's activities, programs, and various initiatives.
Annual General Meeting (RAT)
KKB Tirta Raharja menyelenggarakan Rapat Anggota Tahunan (RAT) Tahun Buku 2025 sebagai forum tertinggi pengambilan keputusan koperasi, sekaligus ajang pertanggungjawaban pengurus kepada seluruh anggota.
Social Care
Menjelang tahun ajaran baru, KKB Tirta Raharja menyalurkan paket buku dan alat tulis kepada anggota sebagai wujud kepedulian terhadap kebutuhan pendidikan keluarga anggota.
Partnership
KKB Tirta Raharja menerima kunjungan kerja dari Perumda Air Minum Tirta Batu Mentas Kabupaten Belitung dalam rangka studi banding dan berbagi pengalaman pengelolaan unit usaha koperasi.
