Our customer services are available 8am-6pm, Monday to Friday.

Call us

You can reach us on 01250 718700. For Key Accounts and Trade Effluent call 01250 718718.

Email us

Get in touch with us via email at support@castlewater.co.uk. Alternatively, you can use the form below.

Write to us

Castle Water Limited, 1 Boat Brae, Rattray, Blairgowrie, PH10 7BH.


In an emergency outside our normal customer service hours or if you experience unplanned changes or disruption to your water supply, water quality or wastewater service, contact your water network owner:

South East Water: 0333 000 0365
Thames Water: 0800 316 9800
Portsmouth Water: 0239 244 9081 / 0239 247 7999

For contact information for all other water network owners, please click here.

Media enquiries

Further information for journalists only.


Castle Water only supplies business customers. Not a business? Click here

If you are de-registered from the non-household market on the basis that you are a household customer, you may be due a refund of amounts paid to Castle Water, and will be liable for charges as a domestic property for the period (which will normally be of a similar level).


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