About the site

The HSY.fi web service is published in Finnish, Swedish and English. The site includes versions in Swedish and English that are less comprehensive than the Finnish version. Browse topics or use the keyword search to look for information in the service. The search function, contact information and feedback form can be accessed from every page.

The links on the site will open in a new browser window if the information is located on another site. Return to HSY’s website by closing the new window. To read the PDF files on the site, you need the free Acrobat Reader software that can be downloaded from the Adobe website.

Website cookies

YouTube cookies

YouTube’s Privacy-Enhanced Mode setting has been applied to the YouTube videos embedded on our site, and as a result, information about visitors to the site will not be shared with YouTube unless the visitor watches the video. For more information, see the Google instructions for ‘Embed videos and playlists’.

Technical functionality

Our site is responsive, so it adapts to terminal devices of different sizes. The site works best with the latest versions of browsers.


The rights to HSY.fi materials belong to the Helsinki Region Environmental Services Authority municipal federation, unless otherwise stated. The content of the site can be freely linked to.

The copyrights to photographs, other image material and maps belong to the photographers, image creators or HSY. The use of this material must always be agreed on separately with HSY.


HSY is responsible for the content of HSY.fi and strives to keep it as up-to-date as possible. Efforts are made to correct any errors detected as soon as possible. However, HSY does not guarantee the accuracy of all content on the pages at all times.

HSY is not responsible for any indirect or direct damage caused to the user or a third party by any errors or deficiencies in the information on the site. HSY is also not responsible for any direct or indirect damage resulting from the use or interpretation of the service.

Our website contains links to other websites. HSY is not responsible for the content of the websites of third parties or for the functionality of the links.

We strive to ensure that our HSY.fi web service operates without disturbance. However, HSY is not responsible for any interruptions due to, for example, maintenance work, technical faults or other similar reasons, or for any interruptions in telecommunications or Internet connections.

HSY is not responsible for any damage resulting from the operation or failure of the site.