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Water Tanks in Wagga Wagga: State and Council Requirements for Residential Homes

Water Tanks in Wagga Wagga - State and Council Requirements for Residential Homes

Wagga Wagga is a vibrant regional city in Southern New South Wales, located midway between Sydney and Melbourne. Surrounded by impressive country landscapes and straddling the magnificent Murrumbidgee River, Wagga Wagga is the hub of the Riverina region with a population of 56,000 residents.

If you live in Wagga Wagga, chances are that you will want to help preserve its natural beauty. Installing a rainwater tank on your property, harvesting your own water from the skies, is a great way to sustain its waterways which provide an irreplaceable quality of life.

This article serves as a guide only to help you understand water tank requirements that must be met in the Wagga Wagga region. Before acting on any information, we highly recommend contacting the Wagga Wagga City Council to confirm the current local requirements.

State Level Rainwater Tank Requirements (New South Wales)

Use of water tanks in Wagga Wagga is largely regulated by the national and state requirements. When installing a rainwater tank, especially in new homes, there are water efficiency standards and initiatives that you need to be aware to. These include BASIX, the National Construction Code requirements, and the NSW State Environmental Planning Policy.

BASIX Requirements

The NSW Government has implemented residential building requirements called BASIX that aim to deliver sustainable water and energy. BASIX certification is required for:

  • new buildings that consist of one or more dwellings
  • conversions of an existing building to a building that consists of one or more dwellings
  • additions and/or alterations to buildings that consist of one or more dwellings with an estimated work cost of $50,000 or more
  • swimming pools with capacity of 40,000L or more.

BASIX aims to achieve a 40% reduction on the consumption of potable water against the state benchmark. Water tanks are a great way to achieve BASIX certification for your proposed development. Rainwater collection is assessed in BASIX based upon:

  • the capacity of the rainwater tank being installed
  • roof catchment area that will be connected to the rainwater tank
  • how the tank water is used
  • running overflow from your rainwater tank to another tank for collection and re-use.

National Construction Code Requirements

The National Construction Code (NCC) must be complied with when building new homes, performing home extensions and major renovations requiring building permits. The “6 Star Standard” in the code provides national minimum requirements and ratings for energy and water efficiency.

In short, to comply with the 6 Star Standard, water tanks must fulfill the following:

  • be connected to a minimum of 50m2 of roof catchment area
  • have a minimum capacity of 2,000 litres
  • be connected to all toilets for the purpose of sanitary flushing.

The NCC also incorporates the Plumbing Code of Australia, which is the technical standard for all plumbing and drainage work in NSW. Installation of rainwater tanks must be compliant with this code, which also calls upon the Australian Standard AS/NZ 3500 that covers appropriate plumbing and drainage.

NSW State Environmental Planning

In NSW you must also comply with the development regulations articulated in the State Environmental Planning Policy. Many specific requirements are provided depending upon whether your rainwater tank in installed above or below ground. Some of these include:

  • plumbing your tank into your house and/or interconnecting to mains water needs to be carried out by a licensed plumber
  • your water tank cannot be places on the footing of an existing building
  • screening against mosquitoes and other insects breeding inside is ensured
  • the overflow of the tank is connected with an existing stormwater drainage system
  • the water tank is placed in the rear yard, behind the building line
  • protection against vermin entering the water tank is ensured
  • protection against ingress of storm water and ground water if the tank is partially or completely buried in the ground is ensured.

Wagga Wagga Rainwater Tank Requirements

Outside of the national and state requirements endorsed by Wagga Wagga Council, there does not seem to be any unique requirements that need be met.

Nonetheless, there may be more specific requirements for your area if, for example, your property is located in a bushfire prone area. Depending upon your building type and lot size, you will generally need to meet a water storage requirement of anywhere from 5,000 litres up to 20,000 litres (this is in addition to BASIX requirements!). Rainwater tanks can be used as water retention tanks to meet these requirements.

It is also important to note that many plains in Wagga Wagga carry flooding risks. In more built up areas, rainwater from roads, driveways, footpaths and other hard surfaces can cause stormwater drainage problems. As part of stormwater management planning, the council may require you to meet certain stormwater detention requirements. This normally means setting aside storage capacity in your tank for detaining rainwater that is then slowly released from your tank.

Buying a Water Tank in Wagga Wagga

If you are looking for a water tank for your Wagga Wagga property, contact our friendly staff for a great deal today. We offer fast and free delivery to the Wagga Wagga region.