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Water permits and licences

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Water is a valuable resource that must be allocated fairly to ensure there's enough for everyone, including agriculture and the environment.  

Having the right licence, permit and approval is key to managing water responsibly. 

  • A water affecting activity permit, ensures that any work or activity involving water or land does not negatively impact the water quality or the overall health of water resources.  

  • A water licence allows you to take a specified amount of water from a source, such as a river or dam, for activities like irrigation or watering animals.

Find out how to get the right approvals below and if you are unsure if your work requires a permit please contact us.

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Current ban on dams in the Mount Lofty Ranges

Due to the high number of existing dams and the need to protect water-dependent ecosystems, most applications for new or enlarged dams in the Mount Lofty Ranges are currently not being approved.

The allocation of new water to allow for new or larger dam storages is reserved by the Minister until it is clear than environmental water needs can be met at a low level of risk. Before beginning your application speak to our water resources team to see if these restrictions apply to your location.

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Water Affecting Activity Permits

If you're planning any work in or near a creek, dam, wetland or floodplain, like building, digging, or clearing vegetation, you are likely to need a Water Affecting Activity Permit (WAA). 

These permits help ensure that important works are carried out in a way that supports healthy waterways, protects local ecosystems and maintains water for future generations. By planning ahead, you’re helping to care for our shared environment and water resources.

If you have further questions about Water Affecting Activities, please check our frequently asked questions or contact us on 8391 7500.

What work requires a WAA permit?

Water affecting activities are activities that impact watercourses, dams, lakes, floodplains, springs, wetlands, and waterholes. All activities in these areas have the potential to have significant negative impacts on water users and the environment, especially if poorly designed, located, constructed or maintained.

Activities that require a Water Affecting Activity Permit include but are not limited to:

  • Water diversion and storage - erection, construction, modification, enlargement, or removal of a dam, wall or other structure

  • Building a structure in a watercourse, lake or floodplain

  • Drainage or discharge of water into a watercourse or lake

  • Depositing objects or solid material in a watercourse, lake or floodplain

  • Obstructing a watercourse

  • Excavation or removal of rock, sand or soil from a watercourse, lake or floodplain

  • Destroying vegetation growing in a watercourse or lake, or growing on the floodplain of a watercourse.

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Want to improve the health of your watercourse?

Download our free guide: 5 Steps to a Thriving Watercourse and find practical tips to help you protect and enhance creeks, rivers, dams or other watercourses on your property

Download the guide

Water Licences

Across the Hills and Fleurieu region, you need a licence or permit to take or use water. This is because these areas are part of a prescribed water resource, which means the water is carefully managed to make sure there’s enough for everyone, now and into the future.

Water licences and permits are issued by the Department for Environment and Water (DEW).

How to apply

You can download all the relevant water licence and permit forms from the DEW website.

This includes forms for:

  • McLaren Vale
  • Western Mount Lofty Ranges
  • Eastern Mount Lofty Ranges
  • Activities such as well drilling, using recycled water, or meter testing

Each form includes instructions on how to apply.

Need help?

If you're not sure what you need or where to start, please call the Department for Environment and Water:

  • McLaren Vale or Western Mount Lofty Ranges – (08) 8463 6876
  • Eastern Mount Lofty Ranges – (08) 8595 2053
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