|Company name||Japanese name||東京水道株式会社|
|English name||Tokyo Water Co., Ltd.|
|Head office||Location||Shinjuku i-LAND Tower 37F, Nishi-Shinjuku 6-5-1, Shinjuku-ku, Tokyo 163-1337, Japan|
|Established||April 5, 2004|
|Board of Directors||Information about the Board of Directors (as of April 15, 2021) (PDF)|
|Capital funds||100,000,000 yen|
|No. of employees||Approx. 2,600|
|Description of business||1.Pipeline facility management|
|2.Purification facility management|
|3.Consulting and research|
|6.Other areas of business|
|Shareholders||Tokyo Metropolitan Government (Bureau of Waterworks)|
|Sompo Japan Insurance Inc.|
|Mizuho Bank, Ltd.|
|Mizuho Trust & Banking Co., Ltd.|
|Tokio Marine & Nichido Fire Insurance Co., Ltd.|
|Fukoku Mutual Life Insurance Company|
(Registration no.: 11820050(11))
|JIS Q 9001:2015 (Quality Management System)
(Registration no.: JUSE-RA-638)
|JIS Q 27001:2014 (Information Security Management System)
(Registration no.: JUSE-IR-010)
|License for Worker Dispatching Undertakings
(License no.: 派13-314681)
|PUC Co., Ltd.||TSS Tokyo Water Co., Ltd.|
|Aug. 1966||• Incorporated foundation established with an office in Otemachi, Chiyoda Ward.||Aug. 1966|
|Oct. 1966||• Water rate collection system for Tokyo Metropolitan Government Bureau of Waterworks launched.||Oct. 1966|
|Apr. 1985||• Head office relocated to Shinjuku Kokusai Building, and Shinjuku Center opened.||Apr. 1985|
|Dec. 1986||• On-line collection work system for Tokyo Metropolitan Government Bureau of Waterworks launched.||Dec. 1986|
|Feb. 1987||Feb. 1987||• Water General Service Co., Ltd. (head office: 4-2 Nihonbashi Kodenmacho, Chuo-ku, Tokyo) established.|
|Apr. 1987||Apr. 1987||• Entrusted to undertake pipeline inspections and daily service faucet water measurements in Tama District.|
|Jun. 1990||Jun. 1990||• Head office relocated to 4-9 Yukigaya Otsuka-machi, Ota-ku, Tokyo.|
|Dec. 1990||Dec. 1990||• Entrusted to undertake leakage prevention surveys in Takasaki City.|
|Feb. 1991||• Registered with Ministry of International Trade and Industry as a System Integrator.||Feb. 1991|
|Mar. 1993||• Use of handy terminals for taking water meter readings introduced.||Mar. 1993|
|Jun. 1993||Jun. 1993||• Entrusted to undertake maintenance and inspection of automatic water quality meters.|
|Apr. 1994||Apr. 1994||• Entrusted to establish Tama Waterworks Accident Center and handle reception work there.|
|Feb. 1995||• Head office relocated to Shinjuku i-LAND Tower.||Feb. 1995|
|Apr. 1996||Apr. 1996||• Entrusted to undertake operational management and other activities for waterworks facilities at 10 locations outside Ofuna Water Distribution Station.|
|May 1997||May 1997||• Head office relocated to 6-14-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo.|
|Apr. 1998||Apr. 1998||• Entrusted to undertake management of stored items and meters.|
|Oct. 1998||Oct. 1998||• Entrusted to undertake seismic diagnosis at distribution reservoir outside Nagasawa Purification Plant.|
|Jul. 1999||• Privacy Mark acquired.||Jul. 1999|
|Apr. 2000||Apr. 2000||• Entrusted to undertake operational management and other activities for waterworks facilities at 9 locations outside Josui-Minami Purification Plant.|
|Apr. 2001||Apr. 2001||• Tama Operation Center (Tachikawa Building) opened.
• Entrusted to undertake operational management of sludge treatment facilities at Tamagawa Purification Plant.
|Jun. 2001||Jun. 2001||• Renamed Tokyo Water Service Co., Ltd.|
|Oct. 2001||Oct. 2001||• Entrusted to undertake cleaning of distribution pipes.|
|Jan. 2002||• Water rate network system for Tokyo Metropolitan Government Bureau of Waterworks launched.||Jan. 2002|
|Aug. 2002||• Certification acquired for Quality Management System (QMS).||Aug. 2002|
|Oct. 2002||Oct. 2002||• Waterworks Technology Education Center opened.|
|Jan. 2003||• Certified by Ministry of Economy, Trade and Industry as a Specified System Operation Company.||Jan. 2003|
|Aug. 2003||Aug. 2003||• Entrusted to undertake some aspects of management of waterworks facilities in Mizuho-machi.
• Entrusted by Japan Water Works Association to provide technical training for distribution pipe engineers.
|2003.08||• Certification acquired for Information Security Management System (ISMS).||2003.08|
|Apr. 2004||• PUC Co., Ltd. established.||Apr. 2004||• Entrusted to provide on-site construction supervision for other companies.|
|Jul. 2004||• PUC Co., Ltd. begins operation after transfer of operations from incorporated foundation.||Jul. 2004|
|Sep. 2004||Sep. 2004||• Entrusted to undertake inspections of water supply facilities equipped with water tanks, etc.|
|Jan. 2005||• Tama District water rate network system for Tokyo Metropolitan Government Bureau of Waterworks launched.
• Customer Center operations for Tokyo Metropolitan Government Bureau of Waterworks launched.
|Apr. 2005||Apr. 2005||• Entrusted to undertake management of waterworks facilities in Tama District (Musashi-Murayama-shi and Mizuho-machi) in accordance with the “Management Improvement Plan for Tama Waterworks.”|
|May 2005||May 2005||• Entrusted to support provision of training at Training & Development Center.|
|Dec. 2005||Dec. 2005||• Entrusted to undertake development of technology for removal of foreign matter, etc.|
|Jan. 2006||• Tachikawa Office established.||Jan. 2006|
|Apr. 2006||• Service stations of Tokyo Metropolitan Government Bureau of Waterworks put into operation in 5 locations in Tama District.||Apr. 2006||• Entrusted to provide on-site supervision of water service installation work and inspections.|
|Oct. 2006||• Designated by Tokyo Metropolitan Government as a Supervising Organization.||Oct. 2006||• Tokyo Metropolitan Government Bureau of Waterworks adopts policy for construction of comprehensive operating structure.|
|Nov. 2006||• Operation of Tama Customer Center for Tokyo Metropolitan Government Bureau of Waterworks launched.||Nov. 2006|
|Jan. 2007||Jan. 2007||• Corporate philosophy and management principles revised in response to policy decision of bureau.|
|Apr. 2007||Apr. 2007||• Entrusted to undertake maintenance and other activities for water source forests (within Okutama jurisdiction).
• Entrusted to undertake operational management of Kinuta Purification Plant.
• Estimation and consultation services introduced for switch to direct water supply system.
|Apr. 2008||• Service station management for Tokyo Metropolitan Government Bureau of Waterworks expanded (into 12 locations in Tama District).
• (Consequently, entrusted to undertake operations in 26 municipalities.)
|Apr. 2008||• Entrusted to undertake operational management of Misono Purification Plant.
• Entrusted to operate water supply equipment for 8 out of 22 offices in ward area.
• Entrusted by Japan Water Works Association to provide technical training on purification plants and other facilities.
|Apr. 2009||Apr. 2009||• Entrusted to operate water supply equipment for 15 out of 22 offices in ward area.
• Kameido Operation Center established to undertake design, construction supervision, and other operations in ward area.
• Entrusted by Japan Water Works Association to provide leakage prevention training and waterworks technology training (leakage prevention).
|Jun. 2009||Jun. 2009||• Entrusted to undertake operational management of Nagasawa Purification Plant.|
|Apr. 2010||Apr. 2010||• Entrusted to operate water supply equipment for all 22 offices in ward area.
• Entrusted to undertake management of waterworks facilities in Okutama-machi.
|Jun. 2010||Jun. 2010||• TS Leak Checker wins IWA-PIA2010 East Asia Grand Award in Operation/Management category.|
|Apr. 2011||Apr. 2011||• Entrusted to undertake operational management of Ozaku Purification Plant.
• Ikebukuro Operation Center established to undertake increasing amount of design and construction supervision work in ward area.
|Aug. 2011||• Office management for Tokyo Metropolitan Government Bureau of Waterworks launched at 1 location in ward area.||Aug. 2011||• Entrusted by JICA to implement grassroots technical cooperation project (local government type) in Malaysia and Vietnam.|
|Apr. 2012||• Comprehensive operation package for Akishima City Waterworks launched.
• WISH water rate system for Hamura City launched.
|Apr. 2012||• Taito Office integrated into Bunkyo Office, resulting in ward area having 21 water supply equipment offices.
• Entrusted to undertake management of waterworks facilities in all 26 municipalities of Tama District.
|May 2012||May 2012||• Taito Operation Center established to undertake increasing amount of design and construction supervision work in ward area.|
|Feb. 2013||Feb. 2013||• TSS-TESCO BANGKOK Co., Ltd. (joint venture) entrusted by Metropolitan Waterworks Authority (MWA) of Thailand to undertake pilot project for non-revenue water reduction in Bangkok.|
|Apr. 2013||Apr. 2013||• Bureau signs memorandum of understanding on technical cooperation with Taiwan Water Corporation and Taipei Water Department.
• Tokyo Water also participates in this technical cooperation and other programs.
|Sep. 2013||Sep. 2013||• Memorandum of understanding on technical cooperation and other programs signed with Yangon City Development Committee (YCDC) in Republic of the Union of Myanmar.|
|Jan. 2014||Jan. 2014||• Entrusted to undertake electronic application help desk operations for water service installation.|
|Mar. 2014||Mar. 2014||• Minutes of meeting (MOM) on technical training and capacity building project for non-revenue water reduction in Malaysia signed with JICA and Penang Water Supply Corporation (Perbadanan Bekalan Air Pulau Pinang [PBAPP]).|
|Apr. 2014||• Contract work for customer center of Akita City Bureau of Waterworks and Sewerage launched.||Apr. 2014|
|Oct. 2014||Oct. 2014||• Agreement on implementation of non-revenue water reduction project in Mayangone Township, Yangon, with Yangon City Development Committee (YCDC) in Republic of the Union of Myanmar.|
|Dec. 2015||Dec. 2015||• Minutes of meeting (MOM) on a JICA grassroots technical cooperation project signed with Hanoi Water Limited Company in Vietnam.|
|Oct. 2016||Oct. 2016||• Entrusted to undertake non-revenue water reduction project in Yangon, Myanmar.
• Entrusted by Taiwan Water Corporation to provide comprehensive consulting on non-revenue water reduction.
|Dec. 2016||Dec. 2016||• Entrusted by Taipei Water Department to provide consulting on introduction of ductile iron pipes with earthquake-proof NS couplings.|
|Apr. 2017||• Office management for Tokyo Metropolitan Government Bureau of Waterworks expanded (fifth location in ward area).||Apr. 2017|
|Oct. 2018||• Comprehensive operation package for Matsusaka City Waterworks launched.||Oct. 2018|