Return of investment

Profiting from your investment

The approximate cost comparison for operating a wastewater treatment plant and a cesspit is below: návratnosť investície do ČOV
This comparison is based on a four-member family with an average water consumption of 135 litres/1 person/1 day.

- the cesspit maintenance once a month -  40 € (twice a month = 80 €)
- the required maintenance is once a year(defecation)
- the electricity cost -  0,2 € / kW

Which is more convenient?
  
 Cesspit [8 m3]
 

Residential wastewater
treatment plant [AT 6]

 

Faecal disposal 1 year 960 € 1 year 50 €
  10 years 9600 € 10 years 500 €
Electricity Consumption 1 year 0 € 1 year 100 €
  10 years 0 € 10 years 1000 €
Financial burden 1 year 960 € 1 year 150 €
  10 years 9600 € 10 years 1500 €