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When undertaking any kind of washing activity, the runoff water must not enter any stormwater drains. Cleaning and washing activities including washing cars, equipment or work floors should be confined to a designated wash bay area, from which wastewater is

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These recommendations apply to the typical liquids found within many industrial and some commercial premises, including oils, solvents, fuels, acids and paints.

The drain is just for water – chemicals, oils, paints and litter don’t belong there. Do not allow anything other than clean rainwater to enter the stormwater drain on or near your premises.

Every drop of rain that falls on our streets and doesn’t soak into the ground, ends up in the gutter and stormwater drains as stormwater. It then runs through an underground system of pipes and eventually flows directly into local rivers and creeks, untreated and unfiltered.

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Wash down bays should be located away from drainage lines, stormwater drains and water bodies. All staff should be made aware that a wash down bay is available on site, and directed on when and how to use it.

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Spills should be cleaned up immediately by dry methods. Have a spill kit clearly labelled and easily available. Spill kits may include rags, brooms and mops, booms to contain larger liquid spills

You can report any concerns in your community or notify your local council of any issues that need addressing  through Snap Send Solve,

Bunding doesn’t just apply to storage areas. It can also be placed across entrances to workshop areas and used to contain waste liquids. Speedhumps that are approximately 100mm high across the entrance to a workshop can turn the whole workshop into a bunded area. It is recommended that you paint bunds yellow for safety.

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It is important to manage sediment such as soil, sand, dirt and mud on your site. Sediment spills affect our environment and waterways by

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The following recommendations should be regarded as complementary to safety plans, codes and licences required by authorities administering relevant legislation, such as the EPA, Local Councils, SafeWork NSW and Fire and Rescue NSW.

To avoid spills, leaks or discharges of chemicals down the drain, it is important to consider appropriate storage options for chemicals stored on your site.

It is against the law to place any material in a position that would allow it to flow into a local waterway and cause pollution.

A bund is designed to contain spills and leaks from liquids used, stored or processed above ground, and to facilitate clean-up operations. They are made from an impervious embankment of earth, or a wall of brick, stone, concrete or other suitable material, which may form part or all of the perimeter of a compound that provides a barrier to retain liquid. A bund should be large enough to contain the contents of the largest container, plus 10%. Bunded areas should be covered to prevent rain from entering.

Everything we do in our homes and workplaces can affect the water that runs off our streets and ends up in our rivers. Remember to

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A number of Australian Standards provide further information on the construction, operation and maintenance of bunds, including minor storage, packing storage and handling, and storage in tanks.

The above recommendations are only a few of ways to minimise the risk of liquids entering stormwater drains. All employees working at sites with chemicals should know how to

Other issues that you must consider when storing liquids include fire safety, storing compatible materials and restricting access.

These liquids may also be characterised as Dangerous Goods under the Australian Dangerous Goods Code. Their use and storage must comply with the relevant guidelines.

Environmental Management Plans (EMP) are an important tool for managing your environmental responsibilities. An EMP demonstrates a commitment to maintain a responsible environmental process at your business. An EMP should include:

It is important to check your storage areas regularly to make sure that there are no leaks or spills. If leaks or spills are found, they should be cleaned up promptly. Bunds should be emptied of liquid including rainwater as quickly as possible to maintain the capacity of the bunds. Liquids must be disposed of in a lawful manner.

If you have any questions, or you are not quite sure what to do next, contact the EPA Environment Line at any time. By phone: 131 555 By email: info@environment.nsw.gov.au

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