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New Zealand’s 20-year data shows two-thirds of rivers impaired, but progress possible with better management.
On World Rivers Day, New Zealand releases 20-year freshwater quality data for 3,500 sites, revealing that two-thirds of monitored waterways show impaired ecological health, with persistent pollution from nutrients, fecal contamination, and metals.
While challenges remain, improvements in ammonia, phosphorus, and lead levels show recovery is possible where regulations and land-based solutions like riparian planting and better farm management are applied.
The data, available through LAWA, support community and government action to protect freshwater ecosystems.
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Los datos de 20 años de Nueva Zelanda muestran que dos tercios de los ríos están deteriorados, pero es posible avanzar con una mejor gestión.