Frequently Asked Questions

If we haven’t answered your questions below please give a call

How often should I empty my septic tank?

As a general rule, you should empty out your septic tank once every three to five years. However, this will vary depending on usage and how many people live in your household the size of the septic tank and what has been going into the system. If you are unsure if your tank needs emptying, we are happy to come out or have a chat on the phone.

How do I know when my septic tank is full?

We truly hope you never experience this however when your tank is full it will simply overflow

How long will it take for you to empty my septic tank?

Typically we allow anything from 30 – 60 minutes to do a septic tank service. However depending on access, type of septic tank, and how regularly the septic tank has been emptied can be a factor.

What areas do you service?

We cover the areas Selwyn to Ashburton. We have clients in Oxford, Darfield, Kirwee, West Melton, through to Rakia and Tinwald. We do daily trips across all these areas.

Why does my septic tank have a scum on top?

This scum consists of Fats, Oils and Grease from things such as cooking or  washing up etc. Enzymes break down this scum over time. Bacteria need oxygen for the aerobic degradation of the pollutants in the waste.  Check for a hard/dry scum this will mean it’s the right time to have your septic tank de-sludged

How often needs my tank desudging?

For septic tanks, empty the tank when the level of sludge reaches approx. 50% of the tank’s volume. For sewage treatment plants, empty the primary tank when the level of sludge reaches approx. 30%

What do you charge to empty a septic tank?

This depends a few things including the type and size of your septic tank. Give us a call and have a chat – typically we can give you close estimate over the phone

Do I need to be home when my septic tank is emptied?

No, as long as we know where your septic tank is located we can take care of everything – you wont even know we have been

How often does my system need to be serviced?

The better you take care of your septic tank the longer life for your septic system will function. Aerated waste water system typically needs servicing every 6 months and a standard septic tank with a pump chamber will be fine every 12 month – depending on use

Why is my alarm ringing?

It’s most likely your air blower pump or the chamber pump filter is blocked.Often caused by excessive household water usage. If your alarm is ringing give us a call

Why is there no water coming out from my dripper line field?

You might have a blocked filter in the pump chamber. Give us a call and we can organise a filter clean for you

How do I determine if your my septic tanks needs servicing?

Check for the following:

  • strong foul, rotten-egg smell around your septic tank or application area
  • gurgling noises from drains
  • slow draining of toilets and sinks
  • Overflowing
Why might my tank system fail?

Check for the following:

  • Your land application system is not coping
  • Your septic tank contains too much sludge and scum
  • Toxic chemicals are going into your septic tank system
  • There is too much water going into your septic tank
How do I keep my septic system healthy?

Keeping your system happy and healthy:

  • Avoid putting non biodegradable bleachers, disinfectants, chemicals or paint down the drain
  • Empty and clean your tank regularly – 2-5 years depending on load
  • For filtered tanks we recommend a filter clean every 6-12 months
  • Avoid excessive fat, cooking oil, nappies, and sanitary items
  • Aim to have the your septic system inspected every three years
How often should I check my sump pump??

It is a good idea to test your sump pump every three months or so

Can I take the lid off our cesspit to check the levels?

Unlike a septic tank, a cesspit has no rudimentary treatment system, meaning that whatever goes in must come out. There is no breaking down of waste and because of this can be harmful if breathing those fumes

  ☏ 03 325 4257