
Why are sinks or laundry staining?
Show us the marks that keep coming back and send any water results. We can discuss the existing treatment and the next step.
Help with stainingJN ENVIRONMENTAL · WEST YORKSHIRE
Choose JN Environmental
Looking for an alternative to Prosep Filter Services? Choose JN Environmental for help with your borehole or spring-fed installation, filtration, pump faults and ongoing servicing.
A reliable supply depends on more than one filter. Tell us about the connected buildings, the existing equipment and the concern at the taps. We can investigate a fault, discuss care for suitable equipment or quote for an installation around an agreed brief.
JN’s team includes ex-military engineers, backed by service-van stock, a warehouse and office support in Bury. Tell us about site access and the people depending on the water so we can discuss the next step.

Send a wide shot of the system and clear pictures of labels, controls, filters, UV units, pumps and tanks. Add your postcode, any water report and what you want help with.
We can discuss maintaining suitable existing equipment, investigating a problem or preparing our own installation proposal. Check your existing service agreement and warranty terms when planning a change.
Send the proposed work, photographs and any water report. Let JN quote for a bespoke job planned with military precision, with the installation scope and support afterwards explained.

Show us the marks that keep coming back and send any water results. We can discuss the existing treatment and the next step.
Help with staining
Tell us whether it affects cold water, hot water or both, and when you first noticed the change.
Help with taste and smell
Recurring leaks or blue-green marks need the cause investigated. Tell us what you have noticed at the property.
Help with copper and pH concernsWant the fuller explanation? Visit JN’s guide to private-water problems and treatment.
JN Environmental is independent of Prosep Filter Systems Ltd and its service division. This page presents JN’s services as an alternative.
Private water supplies need experienced engineers who understand the complete system — not just individual filters. JN Environmental combines water treatment, pumping and field engineering expertise with practical nationwide support.
What Our Customers Say
★★★★★ 5 Star Rated on Google
Trusted by homeowners, estates, farms and commercial customers across the UK. Read our verified Google reviews to see what customers say about our private water supply installation, servicing and breakdown support.
★★★★★
"Living rurally finding dependable service can a challenge, but Jack and his team have been outstanding. They are incredibly prompt reliable, knowledgeable and efficient whenever I have questions or need assistance with my Private Water Supply.
Their annual servicing is always thorough and hassle free. I highly recommend them to anyone needing top tier service!"
- James L, Northumberland
★★★★★
"Jn Enviromental have been amazing and a pleasure to work with
always availble and responsive and always ready to help
honestly I couldn't recommend enough.
Thank you Jack & the team you have been more than 5 stars"
- Jerry H, Cumbria
★★★★★
"I found JN Environmental after being messed around by a different installer.
Right from the initial quote to completion Jack was always open and honest and gave advice and provided options. All costing was given and everything was itemised.
Jack and his team are not only thorough but have pride in their work. I would recommend JN Environmental to anyone who has private water."
- Mike W, Lancashire
★★★★★
"Fabulous and professional with a wealth of experience! We have tried numerous companies to date and JN environments were the only company that could resolve our problems with our water supply! A huge thanks and see you at the next service!"
- Trevor B, Northumberland

Send the postcode, a short description and photographs of the equipment. If water has stopped, call the office so we can discuss current attendance availability.