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Beware of suspicious individual who pretends to be a Water Works Bureau staff

Final update date April 28, 2021

In all areas of Yokohama City, suspicious individual information that pretends to be a Water Works Bureau officials, saying they have received instructions and requests from Water Works Bureau has received information on visiting homes and other places throughout Yokohama Water Works Bureau's instructions and requests.

The Water Works Bureau doesn't do the following: Please be careful.
  • Investigation of pipes without request and water quality inspection
  • Repair and investigation of water pipes in the house, billing for work
  • Door-to-door sales, rental and mediation of water purifiers
  • Notification of unpaid water charges and water cutoff by e-mail
If you have a visit regarding water supply, be sure to ask for your ID and confirm.
Also, if you have any doubts, please contact Water Works Bureau, if you have any suspicious points, do not enter the house or immediately contract or pay money.

Water Works Bureau Customer Service Center
Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.

Case 1 “Water Leakage Survey” and “Plumbing Survey”

"I was asked by Water Works Bureau asked me to investigate water leaks in old water pipes."

In Water Works Bureau does not conduct surveys on pipes that do not require customer requests.
(Except when underground water leakage survey by Water Distribution Section Water Leakage Administration Section prior notice)

Case 2 “Water quality inspection”

"Water Works Bureau. I came to the water test. "And went home, put the faucet water in a cup, put the medicine there, and it turned pink (* 1). "Because this water is not good, it is better to attach a water purifier. The price of the water purifier is 400 to 500,000, but the lease is 1,900 yen per month. "

In Water Works Bureau does not conduct water quality tests without your request. (Except when informed in advance)
In addition, we do not sell, rent, or mediate water purifiers.
(* 1) Tap water turned pink because chlorine for disinfection and chemicals responded. The water quality is not abnormal.

If you have trouble with a product or service contract,
Yokohama City Consumer Affairs Center
Telephone: 045-845-6666 Fax: 045-845-7720

Case 3 "Collection"

"Water Works Bureau. This month we will collect the water bill in cash. "

In Water Works Bureau does not, in principle, collect fees by visiting.
When visiting by collecting unpaid fees, we will contact you in advance in writing (notice of water supply suspension, etc.).

Case 4 "E-mail"

"We will stop water supply because water charges have not been paid." And an e-mail was sent saying, "We will cut off the water on a large scale."

In Water Works Bureau City does not send "claims for unpaid water charges" or "notices of water outages" by e-mail.

Case 5 "Inspection / Inspection" and "Checking" of the sewer

"I was asked by my Water Works Bureau and came to check the sewage trout. "

In Water Works Bureau does not visit sewers or drainage facilities.

When the staff of city and trust company ask for inspection and investigation in residential land for sewer construction that Yokohama-shi performs, we show identification card.
If you feel suspicious, please contact each ward Public Works Office is suspicious.

When visiting a company

When a contracted company or a contracted construction company visits for water meter reading or meter replacement, it carries a consignment certificate and an identification card issued by Water Works Bureau City.
If you have a visit regarding water supply, be sure to ask for your ID and confirm.
If you have any suspicious points or think "Is it strange?", Please contact Water Works Bureau strange?"

For inquiries about water supply, please contact Water Works Bureau Customer Service Center.

Water Works Bureau Customer Service Center

Telephone: 045-847-6262 Fax: 045-848-4281
※Please be careful not to make a mistake.

Inquiries to this page

Water Works Bureau Water Supply Service Department

Telephone: 045-671-30733

Telephone: 045-671-30733

Fax: 045-212-1168

Email address: [email protected]

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Page ID: 151-211-525

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