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Prevention of water pollution

Last update date January 10, 2019

 In Yokohama-shi, we perform drainage instruction of each business ground about prevention of water pollution of public waters based on the regulations about maintenance of Water Pollution Control Law and Yokohama-shi living environment.
 1.Water Pollution Control Law
 2.The regulations about maintenance of Yokohama-shi living environment
 3.The situation of the quality of the water accident in Yokohama-shi
 4.The quality of the water improvement connection of Tokyo Bay

 We made "guide of Water Pollution Control Law report" (PDF: 700KB). (November, 2018 update)
 We show around descent from procedures such as reports based on law.

(1) Report style

 pejihe of report contents, style downloading

 Report: City of Yokohama, Environmental Planning Bureau water, the soil Environment Division quality of the water charge
 〒231-0016 2-22, Masagocho, Naka-ku, Yokohama-shi Kannai the eighth floor of Chuo Building 84th window
 (we do not perform acceptance by mail.)

(2) We identify use of toxic substance in specific facility, the junction area and provide equipment

 Report based on Water Pollution Control Law is necessary for factory to install use of toxic substance specific facility in in specific facility or the junction area or business ground.
 <1> List of specific facilities (the Water Pollution Control Law enforcement order separate table first) (the outside site) (general counter e-Gov of electronic government)
 <2> Toxic substance (Water Pollution Control Law enforcement order Article 2) (the outside site) (general counter e-Gov of electronic government)

 ※When you confirm junction area or arm of a river area, look at "daichan map" of administrative map information system (the outside site).

(3) Toxic substance storage-designated facility

 Factory to install toxic substance storage-designated facility in or business ground comes to need report based on Water Pollution Control Law.
 <1> Toxic substance storage-designated facility
 Designated facilities which store liquid thing including toxic substance to fix for four of Water Pollution Control Law enforcement order Article 4
 <2> Toxic substance (Water Pollution Control Law enforcement order Article 2) (the outside site) (general counter e-Gov of electronic government)

(4) About waste water regulations

 About discharge water drained from specific business ground in public waters, waste water regulations are set each about the following materials to establish in laws and ordinances and item.

 <1> Toxic substance (Water Pollution Control Law enforcement order Article 2) (the outside site) (general counter e-Gov of electronic government)
 <2> Item (Water Pollution Control Law enforcement order Article 3) indicating pollution state of water (the outside site) (general counter e-Gov of electronic government)
 Waste water regulations in Kanagawa (Yokohama-shi) are established by the regulations (the extra regulations) to determine departmental order to determine waste water regulations and waste water regulations based on rule of Water Pollution Control Law Article 3 Paragraph 3.

 <3> Departmental order (1971 Prime Minister's Office Order No. 35) to determine waste water regulations (the outside site) (general counter e-Gov of electronic government)

 <4> The regulations (October 15, 1971 regulations No. 52) to determine waste water regulations by effluent standard by rule of Air Pollution Control Act Article 4 Paragraph 1 and rule of Water Pollution Control Law Article 3 Paragraph 3 (the outside site) (prevention of Kanagawa law data offer service - fifth environment - Chapter 3 pollution)

(5) About regulation of discharge of harmful industrial waste

 In the Yokohama city, regulation of discharge of harmful industrial waste is applied to discharge water exhausted in public waters such as rivers flowing into Tokyo Bay or Tokyo Bay from specific business ground with more than 50m3 of mean displacement on day about chemical oxygen demand, nitrogen content and phosphorus content. Please contact water, the soil Environment Division quality of the water person in charge for more information about regulation.

(6) About the latest law revision

 Revised Water Pollution Control Law was enforced on June 1, 2012 to plan groundwater contamination was effective, preventing.
 ※Related link
  About revision of Water Pollution Control Law (the outside site) (Ministry of the Environment homepage)
  About some revisions such as Water Pollution Control Law (PDF: 793KB) (notice March 30, 2012)

(7) About list reading of specific business ground

 We offer "specific business ground list which we can read at window of water, the soil Environment Division based on Water Pollution Control Law".
 To page of list reading of specific business ground

(8) About report of Water Pollution Control Law accompanied with the enforcement of the staying in house business method

 Staying in house business law was enforced on June 15, 2018, and kitchen, washing machine, bathroom to use in staying in house business (vacation rental) became a target of specific facility of Water Pollution Control Law. For details, please refer to the following page.
 About report of Water Pollution Control Law accompanied with the enforcement of the staying in house business method

(1) Water pollution

 In Yokohama-shi, company must observe regulation standard about drainage exhausted from the city office (factory and business ground) to direct public waters about the following items.

 <1> Regulation standard (1) (PDF: 110KB) of drainage exhausted in public waters

 <2> Regulation standard (2) (PDF: 17KB) of drainage exhausted in public waters

(2) About drainage accompanied with construction

 In Yokohama-shi, report which listed water pollution or subsidence measures beforehand is necessary for company working on construction that is higher than constant scale or digging.
 To page of prevention of water pollution by construction drainage

 To page of the situation of the quality of the water accident in Yokohama-shi

(1) News from sectional meeting specialized in nine capital prefecture city summit meeting environmental problems measures Committee quality of the water improvement

 To page (the outside site) of the spread enlightenment document (towards beautiful Tokyo Bay)

(2) News from Tokyo Bay reproduction promotion meeting

 To page (the outside site) about Tokyo Bay environmental simultaneous investigation

Adobe Acrobat Reader DC (old Adobe Reader) is necessary to open file of Portable Document Format.
We can download one that you do not have gratis from Adobe company.
Get Adobe Acrobat Reader DCTo downloading of Adobe Acrobat Reader DC

Inquiry to this page

Environmental Planning Bureau environment Maintenance Division water, the soil Environment Division quality of the water charge

Telephone: 045-671-2489

Telephone: 045-671-2489

Fax: 045-671-2809

E-Mail address ks-mizu@city.yokohama.jp

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