About

Auckland Council has designed some tools intended to be used by Aucklanders.

What is included

• Stormwater Device Sizing Tool, which includes calculators that provides an estimate of the amount of stormwater that needs to be mitigated under the Auckland Unitary Plan rules.
• Erosion and Sediment Control Device Sizing Tool, which includes calculators that estimate the required size of erosion and sediment control devices under the Auckland Unitary Plan rules.
• Soakage Device Sizing Tool, which includes calculators that estimate the required size of soakage and groundwater recharge devices under the Auckland Unitary Plan rules.