Municipality of Kamnik — 28.91 km of sewerage and 13 pumping stationsMunicipality of Komenda — 14.50 km of sewerage and 6 pumping stationsMunicipality of Mengeš — 3.75 km of sewerage and 2 pumping stationsAll municipalities — Central treatment plant Domžale — Kamnik (149.000 PE) — construction of an entry facility with a facility for the reception of bitter sludges and the construction of biological stages for the tertiary cleaning stage