This week: Taumata Arowai marks the opening of Taupō’s Motuoapa treatment plant; Longreach Regional Council lifts the Isisford do-not-consume advisory; more than 400 gastrointestinal illness cases are linked to the Bronkhorstspruit supply in South Africa; Uisce Éireann steps down the Ardfinnan notice in Ireland; and a brief boil water order in Cedar City, Utah, follows a positive hose-bib sample. Plus Viridis commentary on lessons for Australian suppliers.