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Research and Development

Technology on Purification and Pipeline Engineering


"e-Water II" joint experimental plant


"Epoch" experimental facilities

JWRC conducts joint research projects on the purification and pipeline engineering technology with Health and Labour Sciences Research Grants from the Ministry of Health, Labour and Welfare as well as contributions from private companies. The research outcomes are used to develop various operation manuals.
JWRC researches in the field of purification technology include: “development research on high-efficient purification technology (ACT21),” “Project on Environmental, Ecological, Energy Saving and Economical Water Purification Systems (e-Water),” or “Study on total systems of coagulation-sedimentation and membrane filtration with efficiency, high-speed, large-scale and low environmental load.”
In the field of pipeline engineering technology, JWRC has taken measures against lead pipe problems, conducted Epoch project, published planning manuals of pipeline diagnosis, replacement and rehabilitation, and studied technology for replacing pipelines and particle behavior.
From FY2005 to 2007, JWRC conducted joint projects called “Research on the Establishment of Advanced Purification Technology Aimed at safe and clean water (e-Water II)," and "New Evaluation and diagnosis of Pipeline functions by Observing pipe Characteristics (New Epoch)."
JWRC aims to improve the situation which water suppliers are faced with, and contributes to the advancement of waterworks technology.

Studies on Water Utilities Management

Waterworks operations are increasingly diversified and thus require different approaches for practical solutions. JWRC has been committed to finding better ways to address changing needs in waterworks through cooperation with private sector. The activities in which JWRC took part in the past include: setting international and domestic standards on water/wastewater services (“ISO/TC224” and “Guidelines for the management and assessment of a drinking water supply service [JWWA Q 100]"); establishing a qualification system for waterworks engineers; and analyzing statistics for Performance Indicators (PI) for water utilities.
JWRC has also collected and analyzed annual statistical information on small-scale water utilities nationwide.

PI graph

PI graph

Other Water-related Researches

JWRC has undertaken advanced or fundamental researches such as waste reduction and effective utilization of hydro-electric energy. JWRC aims to secure the stable supply of safe and good-tasting drinking water through activities mentioned above.

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