Service pipe made of lead was used as water pipe which was with diameter 25mm or less of widely softly until the 20, Showa generation since water supply has begun to spread as processing and repair were easy. However, Yokohama-shi abolished use of lead pipe totally from 1978 because a lot of leaks of water influenced health as for the service pipe made of lead.
Of product made in lead service pipe which Water Works Bureau is safer, and is used for service pipe owned by customer for the purpose of supply of high quality tap water, construction of water supply which prevent, and is strong for disaster of leak of water cope.
Announcement of end of the business of lead pipe improvement construction subsidy program in residential land
We introduced "lead pipe improvement construction subsidy program in residential land" for the purpose of promotion of service pipe improvement made of lead used in residential land and reduction of burden for improvement construction cost on customer from 2004.
This business passed from start for ten years, and, also, because improvement advanced by "pipe in Eco method" (we carry out with term exchange of water meter), it considered about business continuation, and it finished business in 2015 that the number of application decreased with business having made progress year by year.
Pipe in Eco construction method
It is the first in the whole country! There is no burden on customer in service pipe improvement made of lead in residential land in pipe in Eco construction method (free)
Because work made its rounds about "pipe in Eco construction method" that went in the case of water meter exchange once in eight years when it started from 2007, we finished business in 2014. But Water Works Bureau will undertake construction in free of charge when there is request from customer.
What is pipe in Eco construction method?
Yokohama-shi had development (patent pending) of pipe in Eco construction method for the first time in the whole country, and we take off water meter and push polybutene pipe in product made in lead service pipe from meter region and coat the inside, and construction is possible without digging in simple construction method to prevent elution of lead, and construction cost is cheapness, too.
＊But there is product made in lead service pipe which extremely turns in front and behind meter, and was installed and may not insert this case.
Inquiry about water supply to Water Works Bureau customer Service Center