This report details performance against the Water Administration Ministerial Corporation (WAMC) Output Measures for 2017-18 – this is a complete report. In our 2016 Final Report on WAMC's maximum prices we decided to require WAMC to report against a set of output measures for each year of the 2016 Determination period beginning 2016-17. These output measures relate to a range of activities including surface water and groundwater quantity and quality monitoring, floodplain management plan development and compliance, customer and billing management.