IS 10500
Drinking water testing
Physical, chemical and bacteriological analysis of tap, tank, borewell and supply water against the Indian drinking water standard.
Housing societies · schools · hospitals · households
Parameters and limits →Water testing laboratory in Kolkata
We test drinking water, packaged drinking water, borewell and tank water, swimming pool water, effluent from ETPs and STPs, and water used in construction and boilers. Each report states the parameter, the test method, the permissible limit and the observed value.
Sterile bottles supplied on request · Pickup across Kolkata, Howrah, Salt Lake, New Town
IS 14543
Packaged drinking water
The extended panel required for packaged drinking water, including the parameters commonly queried at BIS licence renewal.
Packaged water plants · RO bottling units
Parameters and limits →Pool chemistry
Swimming pool water
Residual chlorine, pH, turbidity, alkalinity and bacteriological indicators for club, hotel and society pools.
Hotels · clubs · apartment complexes
Parameters and limits →CPCB / WBPCB
Effluent, ETP and STP water
pH, BOD, COD, TSS, oil and grease, and process-relevant metals for discharge monitoring and consent renewal.
Manufacturing units · hotels with STPs
Parameters and limits →IS 456
Construction and boiler water
Chloride, sulphate, pH, solids and organic matter for concrete mixing water and boiler feed water suitability.
Builders · contractors · industrial boilers
Parameters and limits →Bacteriological
Coliform and E. coli test
The fast, low-cost check when the question is simply whether the water is microbiologically safe to drink.
Households · offices · canteens
Parameters and limits →Which water test do I actually need?
Short answer: match the test to who is asking for the report. A municipal inspector, an FSSAI auditor and a housing society committee each want a different standard.
| If you are… | Ask for | Standard |
|---|---|---|
| A housing society with complaints about tank water | Full drinking water panel, tank and tap | IS 10500 |
| A packaged drinking water plant renewing a BIS licence | Full packaged water panel on sealed packs | IS 14543 |
| A restaurant preparing for an FSSAI inspection | Drinking water panel plus ice and surface swabs | IS 10500 + micro |
| A factory renewing its consent to operate | Effluent discharge panel for your route | CPCB / WBPCB |
| A builder about to pour reinforced concrete | Chloride, sulphate, pH, solids, organic matter | IS 456 |
| A household that just wants to know if it is safe | Coliform, E. coli, pH, TDS, hardness, iron | IS 10500 subset |
Get a water testing quoteUpdated 16 September 2026