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Investigation of groundwater pollution conducted in Yokohama City

Last update date April 2, 2024

Yokohama City conducts the following groundwater pollution surveys every year and publishes the results.

Groundwater pollution survey results
Name of surveyOutline of surveyPublishing survey results on the websiteViewing location, etc.Contact information
Following of contaminated wells

The following surveys are being conducted.
・Investigations conducted to provide guidance on pollution sources at measurement points where contamination has been confirmed by past city's own surveys and reports from businesses conducted in the past.
・Investigations conducted in wells under investigation of pollution sources
・Follow-up of wells that have been found to be contaminated

2023
2022
2021
2020
2019

Window of Water and Soil Environment Division (city hall 27th floor)Green Environment Bureau Water and Soil Environment Division
Pollution well monitoring surveyWe conduct surveys for continuous monitoring at locations where contamination has been confirmed in the past.Annual Report on Environmental Environmental Pollution Monitoring Center

・Each ward library
・Citizen Information Center (City Hall 3F)※

Green Environment Bureau Environmental Management Section
Overview surveyIn the Kanagawa Water Quality Measurement Plan, we conduct fixed-point surveys and mesh surveys.
Continuous monitoring surveyIn the Kanagawa Prefecture Water Quality Measurement Plan, we are investigating changes over the years of contamination identified in the past.
Survey of contaminated wellsWhen a new pollution that exceeds environmental standards is found in the general survey, or if a high concentration of contamination is found in a continuous monitoring survey, a survey is conducted to confirm the extent of contamination.

  ※Preparation of booklets is available until FY2019 (only on HP from FY2020).

For inquiries to this page

Yokohama City Green Environment Bureau Environmental Conservation Department Water and Soil Environment Division

Phone: 045-671-2494

Phone: 045-671-2494

Fax: 045-671-2809

Email address: mk-dojo@city.yokohama.lg.jp

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Page ID: 448-418-755

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