Private Water Supply Quiz

What defines a private water supply?

• Water provided by a licensed water undertaker

• Water from a private well, borehole, spring, lake, river, or stream

• Water provided by the government

• Water distributed by public utilities

What is the typical water capacity of a single borehole compared to an average home's needs?

• 10 times

• 20 times

• 30 times

• More than 40 times

How much water can be extracted from a borehole per day without needing permissions or licences?

• 10,000 litres

• 15,000 litres

• 20,000 litres

• 25,000 litres

How much water does an average four-bedroom house use over a three-month period?

• 25,000 litres

• 40,000 litres

• 50,000 litres

• 75,000 litres

What is the purpose of rainwater harvesting?

• To filter rainwater for human consumption

• To collect and store rainwater for reuse within the home and garden

• To provide water to municipal reservoirs

• To purify wastewater

Which of the following is NOT a use for harvested rainwater?

• Flushing WCs

• Washing machines

• Drinking

• Garden watering

What must be done to prevent cross connections in a rainwater harvesting system?

• Use high-quality pipes

• Install a backflow prevention device

• Regularly clean the storage tank

• Use a water filter

What is the average size of a rainwater storage cistern installed below ground?

• 1,000 litres

• 2,500 litres

• 5,000 litres

• 10,000 litres

Which type of water is described as recycled waste water from baths, basins, showers, and washing machines?

• Black water

• Grey water

• Rainwater

• Potable water

What can grey water be used for?

• Drinking

• Flushing WCs

• Cooking

• Washing dishes