September 2026 update

Wastewater performance rules are changing

Wastewater environmental performance standards are being changed, but the title gives no further detail.

Water Services (Wastewater Environmental Performance Standards) Amendment Regulations (No 2) 2026

What's changing

Who's affected

People and organisations that must follow the wastewater environmental performance standards will be affected by these dates.

When

These regulations start the day after they are notified in the Gazette; the affected standards apply on 1 September 2026, 8 September 2026, or 19 December 2028 as stated above.

What you might need to do

Background

The government says these changes correct a gap in the earlier commencement wording. They clarify the intended start dates without changing the 1 September 2026 date for subpart 1 of Part 2.

Read the official text on legislation.govt.nz