| Primary value | 135 - 150 lpcd (litres per capita per day) |
| Applies to | Residential buildings · Apartment water tank sizing · Domestic water demand calculations |
| Exceptions | Basic / urban area → 135 lpcd |
| Typical / metropolitan → 150 lpcd | |
| Premium / luxury housing → 200 lpcd | |
| Measured as | Total daily water demand per resident, including drinking, cooking, washing, bathing, and flushing. |
| Source | NBC 2016 — Part 9, Section 2 ✓ Verified |
1 related items across IS codes, knowledge articles, design rules, maps and tools
Water demand drives storage tank sizing, pump capacity, and the connection to municipal supply. Underestimating leads to running out of water; overestimating wastes capital on oversized infrastructure.
Indian metros typically use 135-150 lpcd for sizing calculations. Add 10-15% for losses and 1-day reserve for tank capacity.