This spring's water takes an eight-year underground tripSourced
Rain enters the ground.
On average, it travels eight years.
Water takes an average of eight years to pass through New Zealand's Wharepapa Arthur Marble Aquifer. It supplies Te Waikoropupū Springs, whose exceptional clarity is linked partly to long underground residence and filtration.
A clear spring
can have a slow backstory.
Summary / translation: Unbubly · CC BY-SA 4.0
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Wharepapa Arthur Marble Aquifer · Wikimedia contributors
Wharepapa Arthur Marble Aquifer ↗
Adapted, summarized and translated from the source. Adapted text is also available under CC BY-SA 4.0.
Reviewed: 2026-10-01