Managed Aquifer Recharge (MAR) using water from the water distribution system occurs in the Adelaide region, but the volume could not be quantified due to lack of data. Note that this line item is different to line item 15.2.6 Artificial groundwater recharge, which represents Managed Aquifer Recharge (MAR) and Aquifer Storage and Recovery (ASR) using water that may not have been sourced from they water distribution system.