(industrial wastewater, leachate wastewater, domestic wastewater, etc.)
Billing is based on tons of water treated and includes labor, utilities, supplies, and maintenance;
Does not include fixed investment in equipment.
Billed by treating tons of water, including some labor and chemicals;
Does not include fixed investment in equipment, utilities, consumables.
Billing is based on a single system lump sum price that includes pharmaceuticals, routine service, and water quality management;