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How many, if any, Wastewater Treatment Plants reported an incidence of unconsented wastewater bypass or overflow in 2025? and 3 other questions

Answered 3904, 3905, 3906, 3907 (2026)
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Asked by

Lan Pham

List MP · Green Party

Questions

  • 3904

    How many, if any, Wastewater Treatment Plants reported an incidence of unconsented wastewater bypass or overflow in 2025?

  • 3905

    Which, if any, Wastewater Treatment Plants reported an incidence of unconsented wastewater bypass or overflow between 1 January 2026 and 11 February 2026, listed by name and location?

  • 3906

    Which, if any, Wastewater Treatment Plants reported an incidence of unconsented wastewater bypass or overflow in 2025, listed by name and location?

  • 3907

    How many, if any, Wastewater Treatment Plants reported an incidence of unconsented wastewater bypass or overflow between 1 January 2026 and 11 February 2026?

Answered by

Hon Simon Watts

Member for North Shore · National Party · Minister of Local Government

Answer

The Water Services Authority—Taumata Arowai does not hold this information. Public monitoring and reporting requirements for overflows and bypasses are introduced in the Water Services (Wastewater Environmental Performance Standards) Regulations 2025, to take effect from December 2028.