Annual National Environmental Data and Statistics

Data Source: Ministry of Environmental Protection, Water Quality Columns on Provincial and Municipal Environmental Protection Bureau and Water Resources Bureau Websites

  • 2009
  • 2010
  • 2011
  • 2012
  • 2013
  • 2014
  • 2015
  • 2016
  • 2017
  • 2018
  • 2019
  • 2020
  • 2021
  • 2022
  • 2023
  • 2024

59

  • Class I
  • Class II
  • Class III
  • Class IV
  • Class V
  • Below Class V
  • Black and Smelly Waters