The information is excerpted from the latest WEPA Outlook.

Conservation of Water Quality in Public Water

• Basic Environment Law (In Japanese)

The law governing “Environmental Quality Standards for Water Pollutants”

General Measures

• Water Pollution Control Law (In Japanese)

The law governing “Factory effluent control, notification of factory establishment, monitoring orders, continuous monitoring, measures for domestic wastewater”

• Sewerage Law (In Japanese)

The law governing “Construction of sewerage”

• Johkasou Law (In Japanese)

The law governing “Installation of Johkasou , regulation of desludging and production, registration system of johkasou installation worker, licence system of Johkasou desludging technician, etc.”

Special Measures in Enclosed Water Bodies

Lakes and Reservoirs

• Law Concerning Special Measures for the Conservation of Lake Water Quality (In Japanese)

Special regulations for Planning of plan for the preservation of lake water quality.

Estuaries

• Water Pollution Control Law (In Japanese)

Control of total pollutant load, and countermeasures against eutrophication.

Seto Inland Sea

• The Law Concerning Special Measures for Conservation of the Environment of the Seto Inland Sea (In Japanese)

Ariake Sea/ Yatsushiro Sea

• The Law Concerning Special Measures for the Re juvenation of the Ariake Sea and Yatsushiro Seas (In Japanese)

Biwa Lake

• The Law Concerning Special Measures for the Restoration of the Biwa Lake (In Japanese)

Potable Water Sources

• Law concerning Special Measures for Water Quality Conservation at Water Resources Area in order to Prevent the Specified Difficulties in Water Utilization (In Japanese)

Groundwater Quality Conservation

• Basic Environment Law (In Japanese)

Environmental quality standards for groundwater

General Measures

• Water Pollution Control Law (In Japanese)

Regulations for toxic substances from factories, purifying orders for polluted groundwater, and continuous monitoring

Sound Water Cycle

• Basic Law on Water Cycle (In Japanese)

Holistic and integrated implementation of policies on water cycle

Other Laws Related to Water Environment

• Law Concerning Special Measures against Dioxins (In Japanese)

• River Law (In Japanese)

• Drinking Water Sources Law (In Japanese)

• Water Supply Law (In Japanese)

• Law Relating to the Prevention of Marine Pollution and Maritime Disaster (In Japanese)

Institutional Arrangement of water

Water quality standards for surface water

Water quality standards for groundwater

Effluent quality standards

Operational Guidelines for the Design and Construction of Johkaso in Japanese

Maintenance, inspection, and cleaning of Johkaso in Japanese

Domestic wastewater governance: A case study from Lake Teganuma, Japan

Policies for Watershed Management for Controlling Municipal Wastewater in Japan

Groundwater Pollution Control in Japan

Regulations of Wastewater Discharge in Japana

On-site Inspection and Administrative Direction to Business Establishment

Pig Waste and Wastewater Management in Japan

Multistage Hybrid Wetland Systems for Pig Wastewater Treatment

Ministry of Environment, Japan

Ministry of Land, Infrastructure, Transport and Tourism

Japan Education Center of Environmental Sanitation

Water quality database by MOEJ (in Japanese)

Johkaso related data by MOEJ (in Japanese)

Sewerage related data by MLIT (in Japanese)

Comprehensive survey on pollutant loads (in Japanese)