List of water quality accidents that occurred in the city

Last update date April 23, 2024

FY2023 (released until March 31, 2029)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April to June 2023 (PDF: 208KB)	From July to September 2023 (PDF: 212KB)	From October to December 2023 (PDF: 183KB)	From January to March 2024 (PDF: 168KB)

FY2022 (released until March 31, 2028)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April to June 2022 (PDF: 216KB)	From July to September 2022 (PDF: 214KB)	From October to December 2022 (PDF: 123KB)	From January to March 2023 (PDF: 719KB)

FY2021 (released until March 31, 2027)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April to June 2021 (PDF: 121KB)	From July to September 2021 (PDF: 109KB)	From October to December 2021 (PDF: 112KB)	From January to March 2022 (PDF: 221KB)

Fiscal 2020 (released until March 31, 2026)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April to June 2020 (PDF: 75KB)	From July to September 2020 (PDF: 69KB)	From October to December 2020 (PDF: 92KB)	From January to March 2021 (PDF: 71KB)

FY2019 (disclosed until March 31, 2025)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April 2019 to June 2019 (PDF: 99KB)	From July to September, 2019 (PDF: 71KB)	From October to December 2019 (PDF: 77KB)	From January to March 2020 (PDF: 69KB)

FY2018 (released until March 31, 2024)
1st Quarter	2nd Quarter	Third Quarter	4th Quarter
From April to June 2018 (PDF: 95KB)	From July to September, 2018 (PDF: 80KB)	From October to December 2018 (PDF: 102KB)	From January to March, 2019 (PDF: 93KB)

If you would like to see the previous list, please contact the page person in charge.

In order to open PDF files, you may need a separate PDF reader.
If you do not have it, you can download it free of charge from Adobe.
To download Adobe Acrobat Reader DC