In water reproduction center of city 11, we carry out water quality test of sewage, river flowing into water reproduction center and water to discharge into sea area. Effluent standard is established in water to discharge from water reproduction center and confirms in particular whether you can work to meet the standard.
We make water quality test annual report that we summarized water quality test result in every year in sewer quality of the water section.
Past water quality test annual report
(released to H16 - H27. Please inquire for annual report before it)
We can read water quality measurement data (2015) of the center when we click center in map. Map is separated by color every water reproduction center processing ward.
We introduce structure cleaning role of the sewer in water regime and dirty water and explain dirty water gakireiniyomigaerumadeo using quality of the water data of sewage clearly.
We introduce structure cleaning role of the sewer in water regime and dirty water and explain dirty water gakireiniyomigaerumadeo using quality of the water data of sewage clearly.Sewer Q&A (2016 version) of Yokohama judging from the quality of the water [pdf form 1.56MB]
We publish the point of research about the sewer which sewer quality of the water section (old water reproduction quality of the water section, water quality management section) announced in national sewer meeting for presenting research papers, staff duties presentation in station in the past 5 years.
(we prohibit use of the published point without permission of reproduction, second)