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HSTP considerations in Somerset

Guidelines for on-site sewerage facilities in the Somerset Regional Council area

Areas of the Somerset region which are not connected to the mains sewer infrastructure require some form of private wastewater treatment system. Under council guidelines, there are several different options you can choose from. Options include:

Properties in the Somerset catchment area will need to be assessed by SEQ Water to ensure compliance with development guidelines for water quality management. SEQ Water works in conjunction with landowners in the region to manage the area and the water quality levels.

SEQ Water requires that wastewater treatment systems are designed, constructed and managed in ways that do not compromise the drinking water supply environmental values. 

Need Professional Advice on HSTPs? Let our wastewater experts help you.

Looking after your home wastewater treatment plant

Maintaining a healthy, well functioning home wastewater treatment plant reduces breakdowns, extends the life of your system and avoids issues such as bad odours, pollution and blockages.

The Somerset Regional Council recommend avoiding the use of certain products in your home to protect the bacteria balance in the treatment plant or septic system.


  • Chlorine, disinfectant, acid cleaning products, bleach and other heavy chemicals.
  • Nappy soaker or pre-wash stain removers
  • Antibacterial washing liquid or hand soap
  • Excessive amounts of fat, oil, grease and milk
  • Foreign objects such as nappies, wet wipes, sanitary items, food scraps

Council recommends using cleaning products which don't contain harsh disinfectants, bleaches or antibacterials.

HSTP maintenance

Council recommends professional routine HSTP servicing to ensure your sewerage system is producing the highest quality wastewater possible to maintain a healthy environment in your area.

Care needs to be taken to avoid covering the tanks with earth, cement or other materials, maintain easy access to the system, prevent stormwater from entering the plant, and keep vegetation and grass under control in disbursal areas.

More information on the Somerset Regional Council guidelines can be found here -

On-site sewerage plant installation & servicing Somerset

Express Wastewater Solutions can take care of your on-site sewerage system within the Somerset Region ensuring that your system complies with all the relevant council and SEQ Water guidelines and requirements. 

HSTP considerations in Somerset Let our experts help you.

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Why Use Express Wastewater Solutions?


    Because we are not a manufacturer and not tied to one particular system we can always offer the best solution for your wastewater needs.


    Because we do this every day we have developed a close knit expert team for every step of the process – from plans and council paperwork to excavations, electrical and plumbing. We handle it all to make the whole process as stress free and quick as possible.


    Most people have never installed a home sewerage treatment plant and don’t know the next step, that is why we offer a free 30 minute phone consult with one of our experts to point you in the right direction.


    We handle your wastewater installation from start to finish we can deal with all the trades, council everything so you don’t have to worry about a thing.


    Have peace of mind knowing that Express are licensed, insured professionals that will do your job right the first time.


    Not sure what system is right for you, or want to know if your system is working properly? Just give one of our friendly wastewater experts a call and they will be more than happy to help.


    We will always look to repair your system rather than replace it if it does not need to be, which will generally save large amounts of money sometimes up to and over $10,000.