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  Environment » Natural Resources » Water » Rivers » Waikato River

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ABOUT THE WAIKATO RIVER: Check out our key facts about New Zealand's longest river, flowing from Lake Taupo to Port Waikato.

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HOW CLEAN IS THE WAIKATO RIVER? Is it safe for swimming? Can fish live in it? The answer depends on what part of the river we look at.

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WHAT LIVES IN THE WAIKATO RIVER? The Waikato River is home to a much wider variety of plants and animals than many people realise.

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WATER QUALITY MONITORING: See our interactive map of monitoring sites along the Waikato river.

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RUN-OFF AND LEACHING: Learn more about contaminants in the river, that come from rural and urban runoff.

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ALGAL BLOOMS:  Find out more about algal blooms in our rivers, lakes and streams, and how they impact water quality.

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WASTEWATER DISCHARGES: Findout about how water quality is affected by wastewater discharges.

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TRENDS IN WATER QUALITY: Find out more about water quality trends in the Waikato River.

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DOWNSTREAM CHANGES IN WATER QUALITY: See the downriver changes along the Waikato.

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