Basic data on Helsinki Region Environmental Services (HSY) water supply

The material covers basic data on water utility operations and resulting indicators. The data is submitted annually to the information system of the Finnish Water Utilities Association (FIWA).

The material includes information on water and wastewater treatment, networks, customer service and energy use beginning from 2010 (founding of HSY).


Additional Info

Collection Open Data
Maintainer Helsingin seudun ympäristöpalvelut (HSY)
Maintainer email
Maintainer website
Geographical coverage
Last modified 13.09.2022
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Created on 24.04.2015