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Last reviewed: 21.1.2015 - 10.05am
There can be a difference between the amount of water you use and the amount of wastewater you return to the sewer system.
Our 'wastewater abatement allowance' takes these differences into account for our customers who have a water meter and can prove that over ten per cent of the water they use does not return to our sewers for treatment.
Our charges for wastewater services already recognise that up to ten per cent of the water you use may not be returned to our sewers, but customers who meet the criteria below can make a claim for an additional allowance.
If you think you qualify for a wastewater abatement allowance, you can make a claim using our online form:
If your water usage is complicated, you may prefer to download and complete one of the more detailed claim forms below:
To qualify for the allowance you should:
You will also need to calculate the monetary value of any of the water that is not returned to our sewer, using the leaflet below:
Water lost through leakage should not be included in any calculation of the amount of water that is not returned to our sewers.
We review all wastewater abatement accounts on a regular basis.
Commercial allowances cover:
Domestic allowances cover: