Jinshan District plans to clean up nearly 300 polluted creeks by the end of this year. Jinshan water authority has already cleaned 185 creeks. It has 1,550 river chiefs and is now working on restoring the aquatic ecosystem. It has renovated about 4,670-kilometers of supply pipes since 2011. This year it has asked 923 unlicensed firms to apply for drainage permits. By mid September, six of them had been fined a total of 570,000 yuan (US$83,000).