https://rotary.fi/d1420/en/blog/news/water-retention-projects-are-progressing-in-the-vantaa-river-catchment-area/
Water retention projects are progressing in the Vantaa River catchment area - District 1420
Aug 17, 2026 - The water retention project carried out by the Water Protection Association of the Vantaa River and Helsinki Region (VHVSY) is progressing actively in 2026....
water retentionin thevantaa rivercatchment areaprojects