3609 (2026). Lan Pham to the Minister of Local Government
Written Question
Published date: 23 Feb 2026
3609 (2026). Lan Pham to the Minister of Local Government: How many, if any, breaches of the Maximum Acceptable Value of nitrate in drinking water were found in 2025?
Hon Simon Watts: The Water Services Authority - Taumata Arowai, received the following notifications of Maximum Acceptable Value (MAV) exceedances for nitrate in drinking water during the 2025 calendar year:
• 3 notifications of nitrate MAV exceedances submitted in 2025 for publicly registered supplies
• 4 notifications of nitrate MAV exceedances submitted by laboratories in 2025 in relation to publicly registered supplies