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We're still available by email or phone. Due to limited resourcing please email your enquiry to Include contact details and we'll contact you as soon as we can. For urgent matters use our 24 hour number 03 520 7400. Please be aware call wait times may be longer than usual.

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The day-to-day management and ongoing maintenance of on-site wastewater management systems play vital roles in ensuring that domestic wastewater is appropriately treated and contained on site in the long term. This is because inappropriate use and/or a lack of maintenance can affect the performance of the on-site system. The responsibility for management and maintenance of on-site systems is that of the property owner and property owners therefore play an important role in avoiding the adverse effects of domestic wastewater discharges on the surrounding environment.

Council has prepared some helpful tips for looking after septic tanks.

There are also some rules of thumb when it comes to using household cleaners.