Potable Water


Our decades of experience in regulatory analysis confirms our position as one of the UK’s leading laboratories for the provision of drinking water testing services.

Analysis is conducted across our 3 UKAS accredited laboratories, using the latest analytical techniques that comply with Drinking Water Inspectorate (DWI) requirements for method precision & recovery, in accordance with the Water Supply (Water Quality) Regulations.

Northumbrian Water Scientific Services (NWSS) can assist with designing sample programmes for water companies to meet legislative needs and our UKAS accredited analysis includes:

  • Microbiology
  • Cryptosporidium
  • Metals
  • Basic chemistry (pH, conductivity, nutrients)
  • Pesticides & herbicides
  • Polycyclic Aromatic Hydrocarbons (PAH′s)

    As well as analytical testing, NWSS can also provide UKAS accredited sampling, fast turnaround analysis, and electronic data transfer.

    If you would like to discuss your analysis and testing requirements further then please contact our dedicated Customer Team and we’ll be happy to help.

  • Schedule of Analysis

    1. thumb

      Our full list of UKAS accredited microbiological, organic and inorganic chemical tests can be downloaded here.


    Potable Water links
    Bottled Water
    Private Water Supplies

    Contact Us

    Contact us  

    If you would like to discuss your analysis and testing requirements further, or if you have any other enquiries then please contact our dedicated Laboratory Customer Team who will be happy to help.

    How to contact us

    Downloadable Content

    1. thumb

      NWSS Commercial Brochure

      Download a pdf copy of our brochure here