Marlborough District Council has published its 2025 River Health Update, a comprehensive report that shines a light on the environmental state of the region's rivers.

Compiled by Senior Environmental Scientist Steffi Henkel, the report draws on monthly monitoring data from 52 locations, highlighting the importance of healthy rivers for both ecosystems and the community.

A promising 71 per cent of sites Council monitored have satisfactory water quality, with the Water Quality Index (WQI) scoring higher in the west and north catchments, where native vegetation thrives.

However, the report also highlights concerns: 29 per cent of sites require improvement, especially in urban and industrial areas like Riverlands, which face significant contamination challenges.

The Council identified sources of contamination through proactive engagement, with initiatives like Catchment Care and the compliance programme aiming to improve water quality through community participation and targeted measures. This year’s efforts include establishing new monitoring sites.

“Maintaining healthy rivers is paramount for the Marlborough community. Not only do they supply essential water for agriculture and other economic activities, but they also contribute to local cultural wellbeing and provide recreational opportunities,” Ms Henkel said.

The report is available at www.marlborough.govt.nz/environment/rivers-lakes-and-wetlands/river-water-quality/recreational-water-quality-monitoring

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