* Q ( m³/min ) = Total discharge in the last minute

* Q ( MLD ) = Total discharge in megaliters per day (1 m³/min = 1.44 MLD)

* Q ( m³/h ) = Total discharge in the last hour

* Q ( m³/d ) = Total discharge in the last day

* P ( m ) = Water pressure in the pipe

* WL ( m ) = Water level in the storage tank

* WL % = Water level percentage in the storage tank

* Vol. ( m³ ) = Water volume in the storage tank

* Cl⁺ ( mg/L ) = Chlorine level in the pipe

* Turb. ( NTU ) = Turbidity of water in the pipe

* TDS ( ppm ) = Total dissolved solids in the pipe