Banqiao Dam discharge of the reservoir is 15000 m/s (about 3.96 million gallons/s). After the disaster of the Banqiao dam failure, the Chinese government became very focused on surveillance, repair, and consolidation of reservoir dams. China has 87,000 reservoirs across the country; most of which were built in the 1950s–1970s using low construction standards. Most of these reservoirs are in serious disrepair, posing challenges to the prevention and control of flood-triggered geological disasters in areas with a population of 130 million or more. China's medium and small rivers are considered to be the Achilles' heel in the country's river control systems. According
Natural gas by country Natural gas by country This article includes a chart representing proven reserves, production, consumption, exports and imports of natural gas by country. Below the numbers there is specified which position a country holds by the corresponding parameter. Dependent territories, not fully recognized countries and supranational entities are not ranked. By default countries are ranked by their total proven natural gas reserves. All data is taken from CIA World Factbook. Note that data related to one parameter may be more up to date than data related to some other. The International Energy Agency top 10 natural gas producers in 2011 were