ATU Maintenance in Mesa and Gilbert, AZ: Service Schedule, Costs, and Rules
Joel Grayson · August 24, 2026If you own an aerobic treatment unit in Mesa or Gilbert — Arizona permits and county records usually call it an advanced treatment unit, or ATU — maintenance is not optional the way it is on a conventional septic tank. Arizona regulates these as alternative onsite systems, and the state expects them to stay under … Read more