River water quality and ecology in Northland 2012-2016

This report provides a snapshot on the current state and trends of water quality and ecological health at 34 Northland River Water Quality Monitoring Network (RWQMN) sites from January 2012–December 2016. It is the second in a series of reports initiated in 2007 to provide 5-yearly updates of current water quality and ecological health in Northland waterways.