Vantaanjoen ja Helsingin seudun vesiensuojeluyhdistys r.y.

Vantaanjoen ja Helsingin seudun vesiensuojeluyhdistys ry is a non-profit association promoting water protection and recreational use across the Vantaanjoki river basin from Riihimäki to Helsinki. The organization monitors water and wastewater quality, coordinates groundwater surveillance, and implements projects to restore endangered migratory fish populations. It actively collaborates with regional stakeholders to achieve water conservation goals.