Arsenic in New Zealand Water
Arsenic is naturally occurring in the earth’s crust, but elevated levels can contaminate groundwater and pose a serious health risk. Arsenic exposure has been linked to cancer, heart disease, and other health problems.
In New Zealand, arsenic has been found in groundwater in several regions, including the Waikato, Canterbury, and Auckland regions. The Ministry of Health (MoH) has set a maximum acceptable value (MAV) for arsenic in drinking water of 10 micrograms per liter (µg/L).
Recent testing has shown that some private water supplies in New Zealand have arsenic levels that exceed the MAV. This has raised concerns about the health of people who are drinking contaminated water.
The MoH is working with local councils to identify and test private water supplies that may be contaminated with arsenic. The MoH is also providing information to the public about the health risks of arsenic and how to reduce exposure.
Health Effects of Arsenic
Arsenic can enter the body through drinking water, eating contaminated food, or breathing arsenic-contaminated air. Once in the body, arsenic can damage cells and DNA.
Arsenic exposure has been linked to cancer of the skin, lungs, bladder, and kidneys. Arsenic exposure has also been linked to other health problems, such as heart disease, diabetes, and reproductive problems.
Reducing Exposure to Arsenic
The best way to reduce exposure to arsenic is to avoid drinking water that is contaminated with arsenic. If you are concerned that your water may be contaminated with arsenic, you can have it tested by a certified laboratory.
If your water is contaminated with arsenic, there are a number of ways to reduce your exposure, including:
- Using a water filter
- Boiling your water
- Connecting to a public water supply
For more information on arsenic in New Zealand water, please visit the Ministry of Health website.
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