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WASH Institute Lab

NABL-accredited lab · Dindigul, Tamil Nadu

Precision in every drop.

Find out what's in your water, wastewater or food. We test it to national standards and give you a clear report, whether you're a household, a farm or an organisation.

Try Fluoride E. coli BOD

Analysts preparing samples at the COD digester bench
182
Accredited tests
ISO/IEC 17025
Standard
June 2030
Valid until
Dindigul, TN
Location

Testing for everyone who depends on water

For homes and farms

Worried about your drinking water, a new borewell, or water for your animals? We test single samples too.

  • We tell you which tests you need, so you don't pay for ones you don't
  • Results come with the safe limit next to each value
  • Our team can explain what your report means

For organisations

Government bodies, industries, hospitals, NGOs and food businesses use our reports for compliance and monitoring.

  • NABL-accredited results, accepted by regulators
  • Recurring sampling programmes and bulk batches
  • Effluent, process water and food safety testing in one lab

Which test do I need?

Pick the situation closest to yours. These are the tests we usually recommend. We'll confirm them with you before you send a sample.

  • Drinking water at home

    Tap, well, borewell or RO water you drink or cook with.

    pH · TDS · Hardness · Fluoride · Nitrate · Iron · Coliforms and E. coli

    See tests
  • A new borewell or open well

    Before you start using a new source, or if the taste or colour changes.

    TDS · Chloride · Sulphate · Fluoride · Iron · Hardness · E. coli

    See tests
  • A packaged drinking water unit

    Routine checks on bottled or can water before it reaches customers.

    Full chemical panel · Coliforms · E. coli

    See tests
  • Sewage or effluent treatment

    STP, ETP or FSTP outlets, for pollution control board reporting.

    BOD · COD · Suspended solids · pH · Oil and grease · Nitrogen · Faecal coliforms

    See tests
  • Hospitals, labs and RO plants

    Treated, RO, distilled or demineralised water used for care or analysis.

    E. coli · Coliforms · Plate count · Conductivity

    See tests
  • A dairy, bakery or food business

    Milk products, baked goods, cooked food and batters.

    Total plate count · Coliforms · E. coli · Yeast and mould · Staphylococcus aureus

    See tests

Not sure? Call or email the lab and describe your water. We'll tell you what to test.

Common tests, in plain words

What each test tells you, and what it's accredited for.

pH

Whether water is acidic or alkaline. It affects taste and can corrode pipes.

Accredited for 5 sample types · IS 3025 (Part 11)

Total Dissolved Solids

How much dissolved salt and minerals the water carries. High levels taste salty or bitter.

Accredited for 5 sample types · IS 3025 (Part 16)

Fluoride

A little protects teeth, but too much stains them and weakens bones. A known problem in some groundwater.

Accredited for 5 sample types · IS 3025 (Part 60)

Iron (Fe)

Gives water a reddish colour and metallic taste, and stains clothes and taps.

Accredited for 5 sample types · IS 3025 (Part 53)

Escherichia coli

A sign that sewage or animal waste has reached the water. Water with E. coli is unsafe to drink untreated.

Accredited for 7 sample types · APHA 24th Edition

Biochemical Oxygen Demand

How much organic pollution is in wastewater. Pollution control boards set limits for treated discharge.

Accredited for wastewater · IS 3025 (Part 44)

How testing works

From your first call to a signed report in five steps.

Register

Call or email the lab and fill in the Test Request Form (WWT/LQMS/051).

Collect

Collect the sample in a clean, suitable container following our guidelines.

Submit

Drop off or courier the sample with the completed form.

Test

Our analysts test using NABL-accredited IS and APHA methods.

Report

Receive your signed test report by hand delivery or courier.

Results you can rely on

NABL, India's national accreditation board, has independently checked our methods, equipment and staff against ISO/IEC 17025:2017. That's why regulators and institutions accept our reports.

Certificate
NABLT0626TN18188
Valid until
05/06/2030
Atomic absorption spectrometer used for heavy-metal analysis
Atomic absorption spectrometer used for heavy-metal analysis.

Have a sample to test?

Tell us what you need tested and we will confirm the parameters, price and drop-off details.