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MOE Portal Site-Groundwater Pollution by Nitrate/Nitrite Nitrogen

Annual reports of groundwater quality monitoring show that the number of groundwater pollution caused by nitrate nitrogen and nitrite nitrogen reported has been increasing.

In general, groundwater pollution caused by nitrate nitrogen results from a variety of causes and also tends to be more widespread than localized. Therefore, it is essential to promote effective measures for its prevention based on the local situations.

This website was designed to provide necessary information on groundwater pollution by nitrate nitrogen.

For more information regarding this site, please contact:

Office for Groundwater and Ground Environment of Soil Environment Division, Environmental Management Bureau, Ministry of the Environment Japan e-mail : mizu-chikasui@env.go.jp
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