Quarterly Water Quality Report – February 2025
Opuha Water Ltd publishes its quarterly water quality reports for Lake Opuha and the wider scheme catchment to share with the community the results of our extensive water quality monitoring program. This report gives a summary and highlights key findings for the eDNA results from December 2024 and January 2025, with a focus on the ecological health description. A summary of fish species identified is also given.
Key Findings
- eDNA sampling was undertaken in the Opuha Scheme and wider catchment in December 2024 and January 2025, with ecological health ratings of Excellent and Good achieved.
- The Lake Opuha tributaries of North Opuha River, South Opuha River and Ribbonwood Creek were all rated as Excellent, with Station Creek rated as Good.
- The Opuha River at Skipton Bridge and the Te Ana Wai River at Chisholm Rd were both rated Good.
- The ecological health ratings for the Opihi River were Excellent and Good with a general decrease in eDNA score from upstream to downstream.
- The Kakahu River was rated as Good at Upstream of Discharge and Downstream of Kakahu Gorge, with a significant improvement of eDNA score and ecological health rating compared to the previous survey in 2023/2024.
Download the full report here
