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Annual report on water quality tests such as water recycling centers
We list main facilities, treatment results, water quality test results of 11 water reclamation centers in the city.
Last Updated May 17, 2024
Annual Report of Water Quality Tests
Annual water quality tests have been released since 2004 and since 1970, 55, 1990, 7, and 12. In addition, an overview has been made available for fiscal 1998 and beyond.
Printed versions are available in Chuo-toshokan since 1975. Please contact us for information before that (1944-49).
- FY2021:
Overall version (PDF: 5,492KB)、Summary version (PDF: 125KB) - FY2020:Full version (revised version) (PDF: 6,043KB)、Summary version (PDF: 134KB)
- FY2019:Overall version (PDF: 6,617KB)、Summary version (PDF: 133KB)
- FY2018:Overall version (PDF: 7,746KB)、Summary version (PDF: 235KB)
- FY2017:Overall version (PDF: 9,714KB)、
Summary version (PDF: 277KB) - FY2016:Full version (PDF: 8,249KB)、Summary version (PDF: 216KB)
- FY 2015:Overall version (PDF: 8,170KB)、Summary version (PDF: 403KB)
- Fiscal 2014:
Overall version (PDF: 9,018KB)、
Summary version (PDF: 484KB) - FY2013:
Full version (PDF: 9,092KB)、
Summary version (PDF: 557KB) - FY2012:
Full version (PDF: 4,671KB)、
Summary version (PDF: 354KB) - FY2011:
Overall version (PDF: 4,922KB)、
Summary version (PDF: 647KB) - FY2010:
Overall version (PDF: 3,949KB)、
Summary version (PDF: 589KB) - Fiscal 2009:
Full version (PDF: 6,781KB)、
Summary version (PDF: 411KB) - FY2008:
Overall version (PDF: 4,714KB)、
Summary version (PDF: 405KB) - Fiscal 2007:
Overall version (PDF: 4,749KB)、
Summary version (PDF: 57KB) - Fiscal 2006:
Full version (PDF: 5,031KB)、
Summary version (PDF: 61KB) - Fiscal 2005:
Full version (PDF: 5,200KB)、
Summary version (PDF: 67KB) - Fiscal 2004:
Overall version (PDF: 8,111KB)、
Summary version (PDF: 59KB)
Earlier water quality test annual report (please note that the file size is large.)
- Fiscal 2000:
(First half) (PDF: 16,980KB)、(Second half) (PDF: 16,031KB) - Fiscal 1995:
(Part 1) (PDF: 17,536KB)、(Part 2) (PDF: 17,100KB)、(Part 3) (PDF: 16,721KB) - FY 1990:
(First half) (PDF: 18,458KB)、(Second half) (PDF: 12,657KB) - FY1980:
(First half) (PDF: 16,705KB)、(Second half) (PDF: 12,180KB) - FY70:
(First half) (PDF: 11,242KB)、(Second half) (PDF: 10,662KB)
The following is a summary version only. Please see the full version in Chuo-toshokan.
- Fiscal 2003:
Summary version (PDF: 45KB) - Fiscal 2002:
Summary version (PDF: 45KB) - Fiscal 2001:
Summary version (PDF: 45KB) - Fiscal 2000:
Summary version (PDF: 45KB) - FY 1999:
Summary version (PDF: 47KB) - Fiscal 1998:
Summary version (PDF: 44KB)
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For inquiries to this page
Sewerage River Bureau Sewerage Facilities Department Water Quality Section
Phone: 045-621-4343
Phone: 045-621-4343
Fax: 045-621-4256
Email address: gk-suishitsu@city.yokohama.lg.jp
Page ID: 433-945-804
