An Indonesian minister said that government has set plans to improve water supply for the public and repair national irrigation system so as to increase rice production, local media reported on Friday.

National Development Planning (Bappenas) Minister Armida Alisjahbana said that the implementation of the plans require intense coordination between central and regional governments.

"The target of clean water pipe network was set at 68 percent by 2015, and now it has entered 55 percent at the average," she was quoted by the Antara news agency as saying. The 2015 water supply target was part of Indonesia's efforts to comply with Millennium Development Goals (MDGs).

Some 65.27 trillion rupiah (about 6.4 billion U.S. dollars) is required to finance the projects, she said, adding that 12 trillion of the funds would be provided by the government while the remaining lion part of 52.27 trillion rupiah was expected to be contributed by investors.

More than 100 million people in Indonesia lack access to drinking water, according to the data issued by the ministry.

The minister said the inadequate water supply problem was incited by insufficient operation of the state-run firm following financial restructuring process in the firm.

Public Works Minister Djoko Kirmanto said that government would improve the performance of the National Water Resources Council in a bid to support the nation's food resilience program.

Indonesia has targeted rice production surplus at 10 million by 2014, rehabilitate 2.5 million hectares of arid land and hydroelectric renewable energy.