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Other surveys and research
(Unauthorized reproduction and secondary use of the published abstracts are prohibited.)
Last Updated March 19, 2024
2023
2022
2021
2020
2019
2018
2017
2016
- About concentration investigation of straight chain alkylbenzenesulfonic acid in sewage and its salt (PDF: 217KB)
- Survey of chemical substances used in pharmaceuticals at the Water Reclamation Center (PDF: 561KB)
2015
2014
- About aging of treated water temperature and river water temperature of water reproduction center released into Tsurumi River (H26) (PDF: 324KB)
- Results by Wastewater Quality Control Division's Technology Succession PJ in FY2013 (H26) (PDF: 464KB)
- Efforts to pass on Yokohama City's technology in water quality management (H26) (PDF: 387KB)
2013
- Study on the estimation of the amount of corrosive gases (hydrogen sulfide) generated in sludge storage tanks (H25) (PDF: 387KB)
- Improvement of water treatment model used when guiding visitors to the Water Reclamation Center (H25) (PDF: 307KB)
- About public information activity in sewer business of Yokohama-shi (H25) (PDF: 505KB)
2012
2011
2010
2009
- Operation efficiency by setting up section sharing servers (H21) (PDF: 308KB)
- About environmental education, sewer PR activity in water reproduction water quality section (H21) (PDF: 281KB)
- About the use situation of sewage treated water reclaimed water (H21) (PDF: 161KB)
2008
2007
2006
2005
2004
- Changes in biota and biological water quality classes of sewage treatment water discharge destination rivers (Kashio River and Sakaigawa) (PDF: 212KB)
- Examination experiment of wastewater treatment using photocatalysts (PDF: 202KB)
2003
2002
2001
2000
1999
1998
1997
- Evaluation of the impact of sewage treatment water on the discharge destination river using salt as an index (PDF: 608KB)
- Business trip science class to elementary school (PDF: 1,126KB)
1996
- Effects of sewerage maintenance on river biota (PDF: 1,652KB)
- Survey of nitrogen and phosphorus in wastewater from business sites (PDF: 1,396KB)
1995
1994
1993
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Inquiries to this page
Sewer River Bureau Sewerage Facilities Department Water Quality Section
Telephone: 045-621-4343
Telephone: 045-621-4343
Fax: 045-621-4256
Email address: gk-suishitsu@city.yokohama.lg.jp
Page ID: 591-019-137
