Water Balance Calculator

Evaluate water system inflow vs. outflow, surplus/deficit, and unaccounted-for water loss percentage.

Inflow Sources
Water drawn from rivers, lakes, or reservoirs.
MGD
Water pumped from wells or aquifers.
MGD
Water purchased from other utilities or imported.
MGD
Treated wastewater reused within the system.
MGD
Outflow Uses
Metered residential water consumption.
MGD
Metered commercial and industrial consumption.
MGD
Parks, schools, government, fire hydrant flushing.
MGD
Water sold to neighboring utilities.
MGD

Results

Total Inflow-MGD
Total Metered Outflow-MGD
Balance (Surplus/Deficit)-MGD
Unaccounted-for Water-MGD
Loss Percentage-%
Reference: AWWA M36 Water Audits and Loss Control Programs. IWA Water Balance methodology.