Extended collection interval

If there are reasons, you can get an extended collection interval for septic tanks. In this case, you must submit a written application to the Environment and Building Department, which will then examine the case.

The following criteria must be met in order to obtain an extended collection interval. If the criteria are not met, the extended collection interval will not be granted.

A fee will be charged for this decision, regardless of whether or not you are granted an extended collection interval. Exemptions from the emptying routine are personal and will no longer apply if the conditions for the exemption granted change.

Permanent housing

The sewerage system must comply with current requirements (generally this means a three-chamber well with a T-pipe or similar and subsequent treatment) and must be functional.
The sewerage system must not be more than 30 years old.
The volume of the sludge separator must be at least 2 cubic metres and clearly oversized.
the household consists of only one person.

Extended collection interval for sludge is only granted for emptying every two years. For closed tanks, no extended collection interval is granted.

Holiday homes

The sewerage system must comply with current requirements (generally this means a three-chamber well with a T-pipe or similar and subsequent treatment) and must be functional.
The sewerage system must not be more than 30 years old.
The volume of the sludge separator must be at least 2 cubic metres and clearly oversized.

Extended sludge collection intervals are granted only for emptying every three years. For closed tanks, an extended collection interval may be granted for emptying every two years.

E-service & form for extended sludge collection interval (In Swedish)