Hallemsåsen Water Treatment Plant
Verdal municipality will build a new water treatment plant. The water treatment plant has
New Hokksund treatment plant
On behalf of Øvre Eiker municipality, NCC started work on building the Hokksund treatment
Skarholmen og Horsøy avløpsrenseanlegg
New water treatment are being built for the drainage zone east (Skarholmen) and west