Frequently Asked Questions
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What is a Trunk Main?
A trunk main is a large water main used to transport water from our water sources to treatment works and on to service reservoirs, water towers and other areas of our supply area. |
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Are trunk mains used to supply my tap water?
No. Trunk mains are used purely for moving large amounts of water from one area to another, usually from our water sources to storage or to move it to other areas within our region. |
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Why are you doing this work?
Some of the existing trunk mains are very old and in poor structural condition and this makes them more prone to leaks and bursts. By replacing them it ensures we can provide you with a reliable supply of high quality drinking water and lessen unnecessary disruption to your community. We are also installing new mains from new water sources in some areas of our region.
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Will my water supply be interrupted?
We do not anticipate any interruptions to your water supply while we carry out this work.
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Why do you sometimes have to lay the mains in the middle of the street?
We always aim to choose the least disruptive route for the new main - usually in the verge or footpath - but this is not always possible. The route is often dictated by existing services in the ground or other restrictions preventing us from laying the main in the verge or footpath. We sometimes find that, over the years, other services utility services have been laid too close to (and in some cases on top of) the water pipes. For safety reasons, our mains have to be positioned away from these services. There are also cases where the streets have been widened and the water mains are now situated in the middle of the street. |
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Why can't you share trenches with other services? Wouldn't this save space?
After any work, the ground is returned as far as possible to its original condition. Grass verges are seeded and pavements and kerbstones are replaced. The Street Authority agrees the reinstatement and monitors the work throughout. |
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Do you restore pavements, grass verges, etc?
After any work, the ground is returned as far as possible to its original condition. Grass verges are seeded and pavements and kerbstones are replaced. The Street Authority agrees the reinstatement and monitors the work throughout.
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Will anyone need to enter my home?
Representatives of Three Valleys Water may call on you during this work, it is highly unlikely that they will need access to your property. If anyone comes to your door and claims to be from the 'water company', please remember: |
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All our staff wear a uniform and carry identity cards |
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Keep the door chain on while you check their identity |
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If in doubt, call us on 0845 782 3333 to check the identity of the caller |
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If you are suspicious, dial 999 immediately |
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What hours do you work?
Our usual working hours are 7.30am to 5.30pm Monday to Saturday. However we may need to work outside of these times if necessary. This may sometimes include working on Sundays.
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