The Norwegian river monitoring programme – water quality status and trends in 2018

In the Norwegian River Monitoring Programme (Elveovervåkingsprogrammet) 20 rivers along the Norwegian coastline are monitored for chemical and hydrological parameters. It is a continuation of a former monitoring programme, having produced monitoring data since 1990. This report presents the current status (2018) and long-term (1990-2017) water quality trends.