VA issued Circular 26-17-19 (Circular), providing clarification and guidance concerning testing of individual (private) water supply systems for properties subject to VA backed loans. In accordance with the Circular: all testing must be performed by a disinterested third party; a test is valid for 90 days from the date certified by the local health authority; and the water supply must meet the requirements established by the local health authority. The Circular went into effect July 19, 2017.