Basic ideas

Basic ideas for water resource

Water is essential for Tokai Carbon’s business activities, and we are also aware that it is a vital resource in the local communities where our manufacturing plants are located. We are promoting efficient use of water companywide as water recycling and manufacturing process improvements.

Objectives

We are working to reduce water consumption by clearly grasping the amount of water required for production and limiting excess water usage. In 2025, we have set a target of reducing water usage below the 2021 level (8.9 million m3/year) for our consolidated companies (Tokai Carbon and major group companies both in Japan and overseas), and have made efforts to reduce our water consumption. As a result, the consumption for 2025 was 7.5 million m3, achieving our target. In 2026, we will work to reduce water usage, aiming for "water consumption of 8.8 million m3/year or less (2% reduction against 2021)".

Targets and progress are discussed in the Sustainability Committee, chaired by the president, and reported to the Board of Directors on a quarterly basis.

Initiatives

Water risk assessment

We identify sites of water stress by referring to the WRI Aqueduct. In 2026, we conducted a survey of 43 production sites(*1) in Japan and overseas of the Tokai Carbon group.
Of these, five sites were identified as having high water stress (*2). Apart from one sales site, we conducted a detailed survey of past floods, droughts and water consumption for each site to confirm that they are at low risk.

• *1 As of January 2026. Including Laboratories.
• *2 Sites that were classified as "High" or “Extremely High” for overall water risk among the risk items in the chemical industry of WRI Aqueduct.

Initiatives to reduce water consumption

Tokai Carbon’s operation sites take various measures to achieve the goal of reducing water consumption.

Performance

Environmental data

In calculating performance, water consumption is computed as the amount taken in.