Water services at single-family houses

Here you will find instructions for connecting a new property to HSY's water and sewer networks.

If you have bought or moved into an existing property and need to transfer the water contract, see Changes of ownership and Changes to invoicing information.​


Transport of Sludge from septic tank

​Order transport of sludge from septic tank

  • by calling HSY Customer service, tel. +358 (0)9 1561 2110 (weekdays from 8.30 a.m. to 3.30 p.m.) (urgent orders always by phone) or
  • by e-mailing us at jate.kuljetuspalaute(at)hsy.fi (only non-urgent orders)

Emergency service for emptying septic tanks; please call: +358 50 307 6041. The number is operational outside office hours.

We will take over emptying septic tanks and transporting cesspool sludge. The change will take place gradually, between 1 April 2016 and 30 April 2017.