免费用水量计算器
估算建筑或区域的日用水需求量。
Average Daily Demand
2,000 m^3/day
Average Daily Demand vs Population Served
公式
## Municipal Water Demand Estimation Water demand planning starts with population and per-capita consumption estimates. ### Formulas **Average daily demand = Population x Per capita consumption** **Peak day demand = Average x Peak day factor** Per-capita consumption includes domestic, commercial, industrial, and losses (unaccounted-for water). Peak factors account for seasonal and daily variation.
计算示例
A town of 10,000 people with 200 L/person/day consumption and 1.5 peak factor.
- 01Average daily = 10,000 x 200 = 2,000,000 L/day = 2000 m^3/day = 2.0 MLD
- 02Peak daily = 2000 x 1.5 = 3000 m^3/day
- 03Peak flow = 10000 x 200 x 1.5 / 86400 = 34.7 L/s
常见问题
What is typical per-capita water demand?
Rural communities: 40-100 L/person/day. Small towns: 100-150. Medium cities: 150-250. Large metro areas: 200-400. These include all uses: domestic, commercial, industrial, and system losses (often 15-30%).
What peak factors are standard?
Peak day factor: 1.3-1.8 times average day. Peak hour factor: 2.0-3.5 times average day. These factors size the treatment plant (peak day) and distribution mains (peak hour).
Should I account for population growth?
Yes. Water infrastructure has a design life of 20-50 years. Project the population to the design horizon year using growth rates and plan capacity accordingly.
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