Central Hawkes Bay District Council

Source Documents

These are the council documents used to build the CHBDC calculator. If a link is broken, the document may have moved on the council website.

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Stormwater Bylaw 2021 + Practice Note SW01

PDF Primary Source

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CHBDC Stormwater Information Page

Council website - may contain updated links if documents above have moved.

Calculation Methodology

Retention

Minimum 3,000L for all new homes

Method

Council online calculator for detention volume. Min 3,000L retention required for all new residential.

Design Requirements

• Min 3,000L rainwater retention tank for all new homes
• Detention volume calculated by Council (above retention)
• Orifice min 100mm above tank base
• Connection by Registered Drainlayer
• As-built plan to Council within 7 days

Submission