- Water Pollution Control Law
- Schematic Diagram of the Provision of the Water Pollution Control Law
- Hot Springs Law
- Law relating to the Prevention of Marine Pollution and Maritime Disaster
- Law concerning the Regulation of Pumping-up of Groundwater for use in Buildings
- Law concerning Special Measures for the Conservation of Lake Water Quality
- Bill Partially Amending the Law concerning Special Measures for the Conservation of Lake Water Quality
- Legal System Concerning Special Measures for Conservation of Lake Water Quality
- Johkasoh Law
- Law concerning Special Measures for Conservation of the Environment of the Seto Inland Sea
- Law for Reparation and Compensation of Damage by Oil Pollution
- Soil Contamination Countermeasures Act[PDF 86KB]
- Law concerning Special Measures for Water Quality Conservation at Water Resources Area in Order to Prevent the Specified Difficulties in Water Utilization
- Law concerning Special Measures for the Rejuvenation of Ariake Sea and Yatsushiro Sea
- Agricultural Land Soil Pollution Prevention Law [PDF 30KB]
- System of Implementing Agricultural Land Soil Pollution Control Measures
- Agricultural Chemicals Regulation law [PDF 104KB]
- Countermeasures against Pollution by Agricultural Chemicals
- Structure of Agricultural Chemicals Regulation Law
