
COD volume in Japanese lake water 2006-2015
The statistic displays the overall average amount of chemical oxygen demand (COD) in lakes in Japan from fiscal year 2006 to 2015. In fiscal 2015, the COD volume in all designated lakes in Japan amounted to approximately 5.9 milligrams per liter, representing an increase from around 5.5 milligrams per liter in the previous fiscal year.