Tucson water updates its long-range water resource plan every ten years. The most current update is One Water 2100.
One Water 2100
Browse our groundwater maps developed using water levels taken across our regional aquifer.
Depth to Groundwater(PDF, 5MB)
Groundwater Level Change(PDF, 5MB)
Groundwater Level Change Rate(PDF, 4MB)
Learn how we conserve water by recycling wastewater for non-potable uses like irrigation.