International and Individual State Environmental Impact Analysis Programs - Environmental Impact Analysis: Process and Methods - page 322

TABLE 8.3
Categories of Projects Subject to Japan's Environmental Assessment Law

Class 1 Project
(EIA is always required)

Class 21 Project
(EIA required on case-by-case basis) Category Subcategory

Roads National expressway

Metropolitan expressway
National roads
Large-scale forest roads

All
4 lanes or more
4 lanes or more and 10 km
2 lanes or more and 20 km

4 lanes or more and 7.5-10 km
2 lanes or more and 15-20 km

Waterways Dams and weirs

Diversion channel
Lake development

Reservoir 100 ha

Land altered

> Reservoir 75-100 ha

Land altered 75-100 ha
Land altered 75-100 ha

> 100 ha

Land altered > 100 ha

Railway Super express train railway track All

> 10 km 7.5-10 km

Airport Runway > 2.5 km Runway 1.8-2.5 km

Power plant Hydraulic power plant

Thermal power plant
Geothermal power plant
Nuclear power plant

> 30 MW 22.5-30 MW

112.5.5-150 MW
7.5-10 MW

> 150 MW

> 10 MW

All

Waste disposal > 30 ha 25-30 ha

Landill and reclamation > 50 ha 40-50 ha

Land readjustment > 100 ha 75-100 ha

New residential development project > 100 ha 75-100 ha

Industrial estate development project > 100 ha 75-100 ha

New town infrastructure development
projects

> 100 ha 75-100 ha

Distribution center complex
development project

> 100 ha 75-100 ha

Residential or industrial land
development by speciic organizations

> 100 ha 75-100 ha

Port and harbor planning 300 ha NA

Source: Adapted from Japanese Ministry of the Environment, Environmental impact assessment in Japan, www.env.go.jp/en/policy/assess/pamph.pdf. Accessed
July 19, 2013.

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