Since the early years of the Showa period (the late-1920s, 1930s), the Japanesefishing industry had been affected by industrial wastewater flowing into the sea.The situation was further aggravated by issues such as foul smelling fish beingcaught off the coast of Yokkaichi after the Petrochemical Complex No. 1 beganfull-scale operation in 1959.
Around the same time,the Yokkaichi municipal office began to receivecomplaints from residents regarding foul odors, soot and dust, noise, etc.Further, several health-related issues began to surface attributed by high levelsof sulfur dioxide(SO2) and other atmospheric pollutants.

Outbreak of Environmental Pollution

└ Foul Smelling Fish and Water Pollution

└ Air Pollution Causedby Sulfur Dioxide(SO2)

└ High Concentrations of Air Pollutants in Isozu

└ Effects on Daily Life in the Region

└ Acid Wastewater Discharge Incident