Background
Urban and provincial water supply infrastructure converts raw water into treated water and distributes it through public utility networks. Piped clean-water systems in Cambodia provide treated water through intake, treatment, storage, and distribution networks operated by public utilities or licensed providers. Provincial waterworks are public utility operators that manage local supply capacity, service coverage, and distribution reliability under government oversight.
The Ministry of Industry, Science, Technology and Innovation has institutional responsibility for Cambodia’s clean water supply sector, including the development and oversight of public water supply services. Clean water infrastructure affects household access, urban service planning, industrial activity, and local economic development because reliable treated-water networks reduce dependence on informal or untreated sources.
Battambang is one of Cambodia’s major provincial urban centers, and increased demand for treated water requires expansion of production and distribution systems. Financing from development partners and government counterpart funding is a common mechanism for large provincial utility upgrades where infrastructure costs exceed routine operating budgets.
Key Developments
On April 30, 2026, the Battambang Water Supply System was officially inaugurated in Battambang province. The Ministry of Industry, Science, Technology and Innovation said the system expands clean water access to meet growing demand in Battambang City and surrounding areas.
The inauguration was presided over by H.E. Hem Vanndy, Minister of Industry, Science, Technology and Innovation, as representative of Prime Minister Hun Manet. According to the ministry, the upgrade increases the capacity of the Battambang water utility by more than two times.
Institutional Role
The project falls within MISTI’s clean water supply mandate and reflects the ministry’s role in provincial water infrastructure development. The Battambang water utility is the local operating entity whose service capacity is directly affected by the new system.
The project was co-financed by the Asian Development Bank, Agence Française de Développement, and the Royal Government of Cambodia. The ministry reported a total contract value of about USD 31.77 million.
Operational Implications
The expanded system increases the utility’s ability to supply treated water to Battambang City and nearby areas. A larger production and distribution capacity can support wider service coverage where network connections and local distribution conditions allow.
For public infrastructure planning, the inauguration documents a completed provincial water supply investment backed by multilateral, bilateral, and government financing. The project is relevant for tracking Cambodia’s clean water infrastructure expansion outside Phnom Penh.





