The text provides that a self-supplied building drinking water supply provides water to up to 10 buildings on a single property or adjoining properties under common ownership and serves no more than 500 people, with additional limits for multiple buildings. This solution applies only to suppliers who own or operate such systems, using bore, spring, roof, or surface water as the source, which may be located on their own or another person’s property. Supplies may be fully or partially supported by other registered water carriers or networked systems. Compliance with Schedule 1 of the Drinking Water Acceptable Solution ensures adherence to key provisions of the Water Services Act 2021, including duties for water quality, safety plans, record-keeping, source water risk management, and other applicable compliance rules. The document contains 7 Articles and one Schedule on Requirements for Self-supplied Buildings Contents.