This report details performance against the Water Administration Ministerial Corporation (WAMC) Output Measures for 2021-22. In our 2021 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 2021 determination period beginning 2021-22. 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.