What is the responsibility of the UK water authorities?

• Collecting water and carrying out treatments

• Maintaining the supply of water

• Selling water to consumers

• Building water tanks

What is the typical size of a reservoir serving about 150,000 homes?

• 5,000,000 litres

• 7,000,000 litres

• 9,000,000 litres

• 3,000,000 litres

What material are the pipes used for the mains distribution system?

• MDPE pipe

• Steel pipe

• Copper pipe

• PVC pipe

What is a private water supply typically sourced from?

• Water mains distribution system

• Rainwater harvesting system

• Water undertaker's storage tanks

• Local well, borehole, spring, lake, river or stream

What is the purpose of rainwater harvesting?

• Collecting and reusing rainwater for the home and garden

• Disposing of rainwater into the drain

• Selling collected rainwater to neighbors

• Storing rainwater for future use

What is the main use of grey water recycling system?

• Drinking water

• Flushing WCs

• Watering the garden

• Washing dishes

What is the purpose of the Water Supply (Water Fittings) Regulations 1999?

• To provide a common standard throughout the UK

• To promote water wastage

• To control water pricing

• To limit water usage

What must plumbers prevent according to the Water Supply (Water Fittings) Regulations 1999?

• Wastage of water

• Contamination of wholesome water

• Misuse of water

• All of the above

at what depth should the service pipe be buried

• between 1000mm and 1350mm

• between 750mm and 1350mm

• between 750mm and 1000mm

• none of the above

What is the purpose of the plumbing systems according to the Water Supply (Water Fittings) Regulations 1999?

• Sell water to consumers

• Increase water consumption

• Give advanced notification of installation work to the water supplier

• Prevent contamination of wholesome water