Monitoring stations and supersites Our dedicated monitoring stations serve as pivotal points for gathering real-time water quality and environmental data Pitkäkoski monitoring station in River Vantaanjoki River Lepsämänjoki monitoring station in River Vantaanjoki sub-basin Lake Pyhäjärvi monitoring station Supersite – Oulanka River Supersite – Pallas Supersite – Teno river Supersite – Vantaanjoki River