Health checks on England's rivers could be relying on data a decade old
- Posted on February 6, 2026
- By The Daily Star
- 8 Views
Health checks on England's rivers could be relying on data a decade old

To assess the ecological status of a river, watchdogs use several metrics, including the analysis of invertebrates in samples collected from watercourses, such as mayfly larvae, worms, snails, dragonflies or shrimps