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About your water

Analytical Services

Northern Ireland Water Analytical Services

NI Water's ISO 17025 UKAS accredited testing laboratories at Gelvin Grange (Derry/Londonderry No. 2148) & Westland House (Belfast No. 1835) provide a wide range of Water and Waste Water testing services to a variety of clients including Industry, local Government and Community organisations. Our Laboratory team are committed to excellence in environmental chemistry and microbiology and are dedicated to fulfilling our client’s specific needs.

Click here to view our latest schedules of accreditation:
Who's Accredited? - UKAS

To find out about the wide range of Laboratory Analysis services we offer please contact a member of our Laboratory Team today via email LabEnquiries[AT]niwater[DOT]com

Altnagelvin Laboratory
Gelvin Grange
Irish Street
Londonderry
N.Ireland
BT47 2LD

Westland House Laboratory
Old Westland Road
Belfast
N.Ireland
BT14 6TE

For emergencies, billing queries and water quality issues, please contact Waterline on: 0345 744 0088 or email waterline[AT]niwater[DOT]com


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Use the Ask NI Water search facility, found at the top of each page on niwater.com. Here you can search for any topic such as “water quality” and be presented with relevant guidance.




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