Creating better water services for Farming and Agriculture

We believe that a great service should save you both money and time.

That’s why we’ve optimised our solutions for simplicity and efficiency, so you can spend more time where you’re needed most.

With our specialist team on your side, you can better manage your water services to reduce costs, improve yields and bolster profitability, without being pulled from the core elements of your business.

With fair pricing, a smooth switching process, straightforward Consolidated Billing, simple online tools, support to improve sustainability, and specialised Agriculture Wastewater Treatment Services, we have everything you need get the most from your water services.


The service you need, at the price you want

Get an instant quote for all your water and wastewater services. Then our friendly UK based customer service team makes switching a breeze.

One simple bill

Our job is to let you get on with yours. One simple bill for all your water and wastewater, paid securely by Direct Debit, means you can spend more time where you’re needed most. Log in to MyAccount to see everything all in one place, anywhere, anytime.

Only pay for the water you use

It’s easy to submit your meter readings on MyAccount to help ensure your bills stay up-to-date and you only pay for the water you use.

Regular meter readings help track your water usage to:

  • improve efficiency and reduce costs
  • assess water efficiency measures
  • detect leaks early

Plus, for every meter reading you submit, Castle Water will donate £1 to Save the Children’s Emergency Fund.


Everything you need to stay in control of your account, all in one place. Log in anywhere, anytime at

With MyAccount you can:

  • View and download invoices
  • Submit meter readings
  • Tell us if you are moving premises
  • Update your details
  • Access a range of useful FAQs
  • Water meter locator

Agriculture Wastewater Treatments

Our Wastewater Treatment Services consider the flexible nature of the farm and agri-food business to discover efficiencies that lead to major savings. From the use of water in harvesting, cleaning equipment or looking after livestock, we can help you to find efficiencies and ways to become more sustainable, reduce costs and save money while keeping machinery in good condition.

Discover more about Agriculture Wastewater Treatments

Smart tech that does the job for you

Installed in less than 1h, AMR is a smart meter that’s attached to your existing water meter. It regularly submits accurate water meter readings, keeping your bills up-to-date and removing the task of manual readings. But the best feature of AMR is the analytics it provides to help improve efficiency and lower costs. It can also identify leaks, so you can act fast to minimise damage, costs and downtime.

Discover more about AMR

Recommended by NFU Scotland

Our affinity partnership with NFU Scotland delivers worthwhile savings for members and the farming community in Scotland.

“I encourage every member to consider the savings on offer from Castle Water. Switching is surprisingly simple; accept Castle Water’s quote, and they’ll handle everything for you.”

David Lewington, Sales & Marketing Director for NFU Scotland