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HSY
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Residents
Waste sorting and recycling
Waste guide
Sorting instructions
Biowaste
Energy waste
Large objects
Carton
Glass
Metals
Paper
Plastic
Garden waste and brushwood
Construction waste
Mixed waste
Electric and electronic equipment
Hazardous waste
Clothing and other textiles
Recycling points
Sortti Stations
Plastics collection at the Sortti Stations
Touring collection vehicles
Waste management for small properties
Brushwood collection
Cess pools and septic tanks
Collective use of waste containers
Composting
Multi-compartment waste container
Cut down waste
Reception stations for domestic hazardous waste
Frequently asked questions on Waste sorting and recycling
Waste management regulations
WastEscape Room
Domestic water issues
Disturbances in water distribution
Disturbances of water services and applying for compensation
Water quality
Water posts
Where does your drinking water come from?
Use water reasonably
Use right dose of detergent
Do you know how to use your sewer?
Where does wastewater go?
Water networks
Renovation at Mechelininkatu and Porkkalankatu in 2018-2019
Water services at single-family houses
Leave the melting of frozen service piping to professionals
Stormwater
Stormwater sewerage
Stormwater in an urban environment
Stormwater management on properties
Frequently asked questions on domestic water issues
Frequently asked questions on disturbances in water distribution
The air you breathe
Monitoring stations in the Helsinki Metropolitan Area
Mannerheimintie, Helsinki city centre
Kallio, urban background
Mäkelänkatu, street canyon
Vartiokylä, single-family house area
Pirkkola
West Harbour
Leppävaara, traffic site
Otaniemi
Luukki, background area
Tikkurila, Vantaa city centre
Ring III Varisto
Air quality monitoring in Uusimaa
Lohja
Porvoo
Information on breathing air
Air quality in your residential area
Health effects of air pollutants
Do this, if air quality deteriorates
Check air quality
Air Quality Map
Mitigate climate change
Climateinfo
Save energy
Eat better
Travel smart
Tips for saving
What is climate change?
Be prepared for a climate change
Experts
Climate change
Adaptation
Adaptation strategy
Monitoring
Mitigation
Helsinki Metropolitan Area Climate Strategy
Greenhouse gas emissions
Helsinki Metropolitan Area Climate Work
Climate Indicators
Circular Economy
Projects
Regional data
Geographic information
Map materials
SePe
SeutuCD
SeutuRuutu
Licence applications
Jobs and commuting
Land use and housing
MAL agreement
SeutuRAMAVA
Housing reports
ARA plot price recommendation
Water services
Water treatment plants
The water comes from Päijänne
Pitkäkoski and Vanhakaupunki
Kuninkaanlähde
Dämman
Drinking water quality
Water quality terminology
Water networks
Renovation sites
Wastewater treatment plants
Viikinmäki
Helsinki offsets wastewater phosphorus footprint
Suomenoja
Blominmäki
Progress of the construction
Blominmäki sewer excavations
Earlier in the construction project
Frequentely asked questions
Blominmäki to become a modern wastewater treatment plant
Efficient wastewater treatment protects the Baltic Sea
Resident collaboration
Treatment plant project’s background
History of wastewater treatment
Pumping stations
Development plans
Water towers
Hiekkaharju water tower
Air protection
Monitoring results
Nitrogen dioxide
Thoracic particles
Fine particles
Black carbon
Particle number concentrations
Nitrogen monoxide
Ozone
Sulphur dioxide
Weather
Monitoring sites
Informing the public
Publications
Air quality index
Improving air quality
Air Quality Plan
Contingency plan
About air
Research on Air Quality
Waste management
Ämmässuo eco-industrial centre
Treatment of biowaste
Landfill gas collection
Treatment of ash and bottom ash
The environment
Ekomo
Industrial symbioses between companies in Ekomo
Welcome start-ups and old hands
Collaboration partners and projects
Statistics and reports
Online services
New customers
Connecting to the waste management
Connecting to the water and sewer networks
Connection fees
Connection counter for 2019
Connection counter for 2020
Instructions for constructors
Current customers
Read your own water meter
Change of ownership in Waste Management
Change of waste collection service
Change of invoicing information
Change ownership in Water Services
Prices
Water services prices
Water rate calculator 2019
Frequently asked questions on water rates
Water rate calculator 2020
How the HSY prices are determined
Waste management’s prices
Invoicing and payments
Invoicing options
Payments and delayed payment
Applying for leakage compensation
Order lecturing
Sortti pick-up service
Rent a trailer
Water services customer service offices and plants
Waste receiving stations
Reserve a visit to waste management services
Reserve a visit to water services location
Reserve a visit for students or NGO to water services location
Reserve a visit for water services professionals to water services location
Give feedback on your visit
About HSY
Decision-making
Agendas and records
Board of directors
Inspection committee
For the environment
Come and join us
HSY as employer
Instructions for applying for work
Vacancies
Submit an open job application or look for vacancies
Students are welcome to apply for a job with us!
Frequently asked questions
HSY strategy
HSY mission statement
Logos
Contact us
About This Site
Suomeksi
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Contact information
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en
Experts
Experts
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