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Water Demand
Average, maximum day and peak water demand and storage for a population.
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About this test
Enter population and per-capita demand.
How it's calculated
- Q = population × lpcd
Results are calculated from the values you enter using standard formulas. Download the PDF to keep a record. For certified testing, design or construction, talk to our engineers.
Cite this tool
Kataria Engineering & Consultancy Services (2026). Water Demand [online calculator]. https://katariaengineering.com/tools/water-demand-calculator.html
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