For the public
Find out who supplies your drinking water, the laws, regulations and measures in place to keep your drinking water safe, and how we work to improve the way wastewater and stormwater affect the environment.
The Water Services Authority – Taumata Arowai is the water services regulator for New Zealand. We regulate and guide drinking water suppliers to ensure they meet their responsibilities for monitoring and treating water so it’s safe to drink when it arrives to you.
We also play a role improving the way wastewater and stormwater networks affect the environment.
Follow the links below to find out who supplies your water, discover how your drinking water is made safe and learn what to do if there’s an emergency.
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Find out what to do if you are concerned about your drinking water.Find out more
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View our public registers of drinking water suppliers, wastewater networks and stormwater networks in New Zealand.Find out more
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Find out about how to stay safe during a drinking water emergency and the role we play.Find out more
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Discover what might be in your drinking water and the laws and regulations in place to keep the water safe.Find out more
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What you need to know if you’re organising an event like a festival, sports event or fair and intend to set up a temporary drinking water supply.Find out more
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Find out how dry weather can impact drinking water and what you can do to prepare.Find out more
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Find out more about water treatment, testing and safety, and what might be in drinking water.Find out more
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Advice and an explanation of roles and responsibilities when a drinking water supply is (or faces an imminent threat of becoming) unsafe to drink.Find out more
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Effective wastewater management is essential for protecting public health and the environment. We're working to help improve system performance by setting clear environmental standards and providing oversight to ensure wastewater is treated safely.Find out more
