Showing results 1-9 of 9

Toilet bowl won’t empty

On-site sewage treatment systems – odours from tank

  • Sludge and scum build-up

    How to repair

  • System is suffering from ‘shock loading’: a sudden, large volume of effluent entering the treatment system. Insufficient bacteria are initially present to accommodate the loading following a period of non-use (typically occurs in holidays homes or where there is intermittent use of the system)

    How to repair

On-site sewage treatment systems – odours from disposal area

Sewage treatment systems – effluent ponding

Sewage treatment systems – slow or no drainage

On-site sewage treatment systems – gurgling drains

  • Drains are blocked or not clearing properly 

    How to repair

  • For onsite disposal the septic tank or sewage plant is intermittently overloaded or solids chamber is full

    How to repair

On-site sewage treatment systems – overflow at gully trap(s)

  • Drains are blocked or not clearing properly

    How to repair

  • For onsite disposal the septic tank or sewage plant is intermittently overloaded or solids chamber is full

    How to repair

Wet ground around septic tank/aerated water treatment system

Warning light illuminated on aerated water treatment systems