Source Documents
These are the council documents used to build the PNCC calculator. If a link is broken, the document may have moved on the council website.
Stormwater Bylaw 2022
Calculation Methodology
Design event: 10-year (10% AEP)
Method: Stormwater Bylaw 2022
Site-specific design required per the Stormwater Bylaw 2022. Contact PNCC for specific requirements applicable to your development.
Design Requirements
- Stormwater Bylaw 2022 compliance
- Site-specific design required
Submission
Required Documents
- Stormwater design report
- Engineering plans
- Building/resource consent
Contact
Last verified: April 2026 · NZ Detention Tank Calculator