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Non-domestic water, wastewater and other charges

Current charges (as of 1 July 2017)

Non-domestic water, wastewater and other charges

Previous charges

1 July 2016 to 30 June 2017

1 July 2015 to 30 June 2016

1 July 2014 to 30 June 2015

1 July 2013 to 30 June 2014

Wastewater pricing plans


Please note: These prices came into effect on 1 July 2017 and are valid until 30 June 2018.

How do the pricing plans work?


The wastewater tariff system has five wastewater pricing plans for businesses (see chart above).

If you are a business (non-domestic) customer, your optimal wastewater pricing plan has been selected (either by you or by us if we didn't hear from you) for each of your meters based on the expected volume of wastewater discharge.

The plan covers the annual fixed charge and the volumetric charge. The volume of discharge is calculated according to industry type. View industry wastewater percentages.

Under this system, you can:

•    choose the plan that best suits your organisation and volume of wastewater discharge

•    switch between plans once a year (in May/June) if your wastewater discharge varies

•    select a different plan for each water meter if you have more than one.

Changes to wastewater charging


In July 2014, we implemented a new wastewater tariff system for our non-domestic customers, which was phased in over three years. The new system replaced the 44 pricing regimes previously in place across the Auckland region and ensures that Watercare customers are charged under a common framework. While the effect on individual customers varied, the changes do not generate additional revenue for Watercare.

Note: The phasing period does not apply to customers who were previously connected to the wastewater system but were exempt from wastewater charges.

How are non-domestic wastewater charges calculated?


The charges are calculated using a fixed charge per water meter per year, plus a volumetric charge per kilolitre of wastewater discharge.

The volume of wastewater discharge is calculated for each meter by looking at how the water is used, and assigning an 'industry type' with a corresponding wastewater percentage (22 KB).

The wastewater percentage represents the proportion of your water use for that meter that will be charged for volumetric wastewater services, ranging from 5 per cent to 95 per cent.  The exact figure depends on the type of industry you operate in.

Concerned about wastewater charges?


If you believe there are special circumstances that warrant a change to your wastewater charges in any month other than June, please complete this form (189 KB) and return it to us via email or post for consideration.

If you believe that your actual percentage of wastewater discharge falls outside the typical percentage range given for your industry type, you may wish to apply for a wastewater audit (31 KB).

If you have any further questions about your pricing plans or how the new tariff will affect you, please contact us at info@water.co.nz or call us on 09 442 2222.

More information:

Trade waste bylaw

The way trade waste discharges are regulated has changed with the introduction of the Auckland Trade Waste Bylaw 2013. Trade waste is charged as wastewater under the non-domestic wastewater tariff. This means there are no separate charges for carrying and treating trade waste. Read more about the changes. 

Not sure whether you are a domestic or non-domestic customer?

Customers are classed as ‘domestic’ if the only activities that are occurring at their property are living and sleeping. Domestic customers are charged at domestic water and wastewater rates.

Customers who have one water meter supplying a property that is being used for both living and sleeping, and operating a business, are classed as ‘non-domestic’. This means they are charged at non-domestic water and wastewater rates. 

These customers can separate their water supply at their own cost. This will enable them to be charged domestic water and wastewater rates for living and sleeping, and separate non-domestic water and wastewater rates for activities related to their business. 

As the process for separating water supply is unique for each property, customers need to talk to Watercare about their situation. They can email info@water.co.nz or phone 09 442 2222 and push option 3 for billing.

The definitions of domestic and non-domestic customers can be found in Watercare’s customer contract​

If you believe your meter classification should be changed, you can apply to have it reclassified using the meter reclassification application form (434 KB).

If you have both domestic and non-domestic meters, they will be invoiced through separate accounts.

Estimated readings

As a Watercare customer, you will receive a bill every month. Every second month, your bill is based on an estimation of your water usage, rather than an actual reading of your meter. Estimating your water usage every second month, rather than sending the meter reader to your property each month, is one of the ways we keep our costs down.

The estimated reading is based on your past two actual readings and we find that most of the time it is close to your actual usage. Sometimes however, particularly if you have had extra people staying in the house or you have been away for a prolonged period, our estimate won’t be as close to your actual consumption for that month. In such cases you can either wait for the following month’s bill, where it will balance out, or you could read the meter yourself and provide the reading to us.

Please note that to recover our costs we charge a $20 processing fee if we create an out-of-cycle invoice at your request, and based on your own meter read. We will however waive this fee in the following circumstances:

  • if the difference between estimated usage in our bill and actual usage that you subsequently advise to us exceeds 8,000 litres, and

  • the estimated usage is more than twice the actual usage when you read the meter yourself, and

  • the next actual meter reading date that we would do is more than 10 days from the date that you send us your self-read number.

 

 

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