- To develop and maintain irrigation systems in support of the agricultural program of the government;
- To provide adequate level of irrigation service on a sustainable basis in partnership with the farmers and local government units;
- To provide technical assistance to institutions in the development of water resources for irrigation;
- To improve and sustain the operation of NIA as a viable corporation and service-oriented agency.
Commitment - Integrity - Professionalism
- We are committed to provide an efficient, effective, and sustainable irrigation services aimed towards the highest satisfaction of the Filipino farmers contributing to the country's inclusive economic growth;
- We shall strive for the attainment of our strategic themes of technical and operational excellence, and good governance through partnership with the farmers and other stakeholders;
- We shall remain dedicated to the core values of Commitment, Integrity and Professionalism, to continually improve the NIA's Quality Management System.