New study finds microplastics 3-4 times higher in Truckee River than Lake Tahoe1 report from 1 outlet in 1 language · first reported 2026-09-28 00:00 UTC · updated 2026-09-28 00:00 UTC · JSONEnvironmentTruckee RiverLake TahoeReportsNew study finds microplastics 3-4 times higher in Truckee River than Lake Tahoetahoedailytribune.com · en · 2026-09-28 00:00 UTC