NI Water Classification Statistics - Groundwater status update 2026
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Statistics on the state of the water environment are published annually in the Northern Ireland Environmental Statistics Report. Water Classification status is not updated each year due to the timescales of the monitoring. The report below provides an updated assessment of groundwater status in 2026.
The data used to determine status for groundwater is based on the latest data collected up to the end of the previous calendar year, in this case 2025.