Water Consumption and Demand

These flashcards cover the key concepts related to water consumption and demand as discussed in the lecture.

What are the main purposes of water consumption?

Domestic, commercial, industrial, agricultural, and public purposes.

What is average domestic water demand per capita?

200 to 500 liters per capita per day.

What factors influence domestic water demand?

Climatic conditions, living standards, sewered area extent, metering, water cost, water pressure, water quality, and water management.

How much water does a commercial employee typically consume?

20% of the per capita water demand for domestic use.

What is the water demand for steel production per ton?

28.6 m³ per ton of steel produced.

What is the water demand for paper production per ton?

60 m³ per ton of pulp produced.

What types of water needs does agricultural demand cover?

Irrigation and livestock purposes.

What is the range of daily water requirements for adult sheep?

2-6 liters per head.

What is the estimated public water use per capita?

50 to 75 liters per capita per day.

What percentage increase is applied to account for water losses?

10 to 30% for leaks, evaporation, and unauthorized connections.

How is total average water demand calculated?

Sum of domestic, commercial, industrial, agricultural, and public water demands, plus water loss.

What is the water requirement for chickens aged 1-4 weeks at 21°C?

50-206 liters per 1000 birds per week.

What is the maximum daily water demand formula?

Maximum daily water demand = 1.8 x average water demand.

What does the design capacity of any water project depend on?

Maximum daily water demand.

How can maximum weekly water demand be expressed?

Maximum weekly water demand = 1.48 x average water demand.