INAB Accredited Laboratory for drinking & well water testing

At T.E. Laboratories (TelLab), we provide drinking water analysis for

  • Home and business owners, who get their drinking water from wells and private groups schemes
  • Local authorities, NGOs and regulators (Our team of service engineers provide national coverage)

Our service is accurate and cost-effective. Our standard turnaround time is 12 days. But if you require your results more urgently, we can provide a faster turnaround, subject to a surcharge.

All of our operations are  ISO 9001 certified by NSAI and IQNet (view certification here).  In addition, our environmental laboratory, where we carry out  drinking water analysis, is accredited by the Irish National Accreditation Board (INAB) – Standard 17025.  You can view our INAB accreditation certificate and our list of INAB  accredited tests here.

Our service includes

  • Free supply of sampling bottles/sample kit (call us on 059 9152881 or complete our contact form  to request having the bottles sent to you by post – or simply drop into our office to collect them yourself)
  • Analysis (see below for test services available)
  • A report by email and in hard copy, providing your results and maximum allowable concentrations under Irish Drinking Water regulations

All samples are tested by our in-house team of qualified, experienced laboratory analysts. All completed analysis reports are reviewed by the Department Lead Chemist prior to returning results to the customer.

Our laboratories are located in Tullow, County Carlow,  making our services particularly convenient for customers based Carlow, Kilkenny, Kildare, Laois, Wexford and Wicklow.

We can provide nation-wide coverage for high-volume business and local authority clients through our team of service engineers.

Steps to having your drinking water tested

  • View our information and pricing online
  • Call us on 059 91 52881
  • Or fill out the online contact form  (or simply drop by our offices) for your FREE Sample Bottle test kit (with instructions and a form to be completed before submitting your samples)
  • When you are ready, fill the bottles, complete the form and return to TelLab within six hours
  • Pay onsite via credit card, cheque or cash
  • Sample results will be issued within 12 working days. Reports are issued in electronic and hard copy format.

If you require additional tests they can be quoted separately, please contact the sales office on 059 91 52881 or email

Got a query? View our frequently asked questions page.

What we test for

We can carry out the following tests for your drinking water:

  • Bacteria (microbial)
E.Coli Total/ Faecal Coliforms
  • Chemicals
Alkalinity                                                  Ammonia
Iron                                                          Langellier Index @15°c & 80°c
Total Hardness

 For further information, contact us on 059 91 52881 or email