This indicates that dam or multi-regional water is supplied at a tariff level that is cheaper than the full supply cost. Both tariffs increased by 4.9% in 2013, and by 4.8% in 2016. At the same time, Consumer price index increased by 27.5%. Change in dam and multi-regional water tariffs has been restrained by the government’s price stabilisation policy (which applies to public utility charges) (MoLIT and K-water, 2016).