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TP58 on-site wastewater disposal system

If your property is not connected to a Council sewerage scheme or is in a community where Council has no such system, you will have an on-site wastewater system. There are a number of different systems available and the type of system you need depends on a number of factors.

If you need to install or replace an on-site wastewater disposal system, you will need to engage a suitably qualified person (on the Approved TP58 Writers List) to write a report that determines what system will be used based on the site, size of disposal area available, soil category and a number of other factors. A copy of the Approved TP58 Writers List, System Designer Guidelines and the Design On-Site Effluent Disposal Systems TP58 form are available on this website by looking under our Building Consent forms listing for TP58 forms.

Last updated: 11 Apr 2024 3:25pm