 In 2012 the government signed a contract with a Chinese company to build a water treatment plant at Munshiganj on the Padma River.The project costs US$407 million, of which US$290.8 million is financed by a soft loan from the Chinese government, the remainder coming from the Bangladeshi government.To alleviate the water scarcity, in 2011 the city of Dhaka announced it would amend its building code to require rooftop rainwater harvesting systems in new buildings.