Lillestrøm municipality invites tenderers, on behalf of the water area Leira-Nittelva, to a competition for the delivery of watercourse monitoring services and laboratory services. The competition is divided into five sub assignments, see the tender documentation for further information. The work will be carried out in consultation with the Government Manager in Østfold, Buskerud, Oslo and Akershus, who have the overall professional responsibility for monitoring.