Harmful algal blooms impact Willamette River By OPB staff (OPB)Aug. 15, 2025 10:03 p.m. Updated: Aug. 18, 2025 1 a.m.Health officials warn that algal blooms are particularly dangerous for young children and dogs. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up
