• Seminars and training, consulting, analyses

    When you walk
    you must always go to the end.

    Tone Pavček

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On Friday 6th September 2019, Simon Zajc, Minister of the Environement and Spatial Planning (MESP), visited the Domžale-Kamnik Central Wastewater Treatment Plant. During this working visit, General Manager Marjeta Stražar acquainted the Minister with the state-of-the-art wastewater treatment technological processes used at the plant treating the wastewater from the area of the 6 owner municipalities, the use of which contributes considerably to the protection of water sources in general and of the Kamniška Bistrica in particular. Stražar also pointed out the important role the company plays in Slovenia providing research, education, and consulting services for wastewater treatment plant operators and managers.


Minister Zajc watched a film on the 2014-2017 CČN upgrade, and then accompanied by Head of Laboratory Marjetka Levstek and Project Manager Peter Cerar got to know not only all the ecological standards complied with at the Domžale-Kamnik CČN, but also the data on the amount and value of electricity, heat energy, and biogas produced at the plant.

From left to right: Marjetka Levstek, Head of Laboratory and Marjeta Stražar, General Manager of JP CČN Domžale-Kamnik, Minister Simon Zajc, MESP, Peter Cerar, Project Manager at the Domžale-Kamnik CČN.


Photos: JP CČN Domžale-Kamnik Archive

The CČN with the capacity of 149,000 PE is treating municipal and industrial wastewater as well as rainwater from 6 municipalities connected to the sewerage network. This includes municipal wastewater from 30,000 households, as well as septic tank sludge and small wastewater treatment plant sludge. The upgrade added a tertiary biological stage to the CČN enabling the removal of nitrogen and phosphorus compunds, and a new entry facility allowing for an increased reception of wasterwater together with the appropriate pre-treatment processes. The Domžale-Kamnik CČN was among the first plants in Europe to introduce the deammonification process to treat internal backflow wastewater containing high concentrations of nitrogen compounds. In compliance with the environmental permit, the CČN also treats wastewater from the majority of industrial sources in the area, and liquid waste.

We offer the following types of training:

  • Management of wastewater treatment processes in large wastewater treatment plants
  • Issues with and operation of small wastewater treatment plants
  • Individual training for wastewater licensed operators in small wastewater treatment plants
  • Seminars and workshops with experts from abroad in the field of wastewater treatment

For an offer contact:

Marjetka Levstek, PhD (Chem. Eng.)
00386 31 347 770

Overview of the past trainings at the Domžale-Kamnik CČN:

  • Estonian Delegation Visits Slovenian Wastewater Treatment Plant "Domžale-Kamnik CČN" / Learn more
  • Minister Simon Zajc on a Working Visit at the Domžale-Kamnik CČN  / Learn more
  • Activated Sludge Quality Control in Wastewater Treatment Plants Using Microbiological Methods / Learn more
  • The Domžale-Kamnik CČN Cooperates with the Jožef Stefan Institute on an International ARRS Project for Detection of Drugs in Wastewater / Learn more
  • Research on the Impact of the Domžale-Kamnik CČN on the Kamniška Bistrica River / Learn more
  • Primary and Secondary School Students Interested in Wastewater Treatment / Learn more
  • How Can We Approach Energy Neutrality in Our Wastewater Treatment Plants / Prof Hallvard Ødegaard, NTNU, Norway / Learn more