NABL accreditation
Accredited to ISO/IEC 17025:2017
Compliant with ISO/IEC 17025, ensuring accuracy and global acceptance of every accredited result we issue.
Overview
The Water and Wastewater Quality Testing Laboratory has been assessed and accredited by the National Accreditation Board for Testing and Calibration Laboratories (NABL) in accordance with ISO/IEC 17025:2017, "General Requirements for the Competence of Testing & Calibration Laboratories".
You can verify this accreditation on the NABL website.
Certificate of accreditation
- Standard
- ISO/IEC 17025:2017
- Certificate
- NABLT0626TN18188
- Replaces
- TC-13318
- Field
- Testing
- Issued
- 06/06/2026
- Valid until
- 05/06/2030
- Legal entity
- WASH Institute
Documents
Scope of accreditation
Every test covered by certificate NABLT0626TN18188, with the material tested and the method used.
Showing 182 of 182 accredited tests
| Parameter | Material / product | Discipline | Method |
|---|---|---|---|
| Escherichia coli | Wastewater | Biological Environment and Pollution | APHA 24th Edition |
| Faecal coliforms | Wastewater | Biological Environment and Pollution | APHA 24th Edition |
| Total coliforms | Wastewater | Biological Environment and Pollution | APHA 24th Edition |
| Total coliforms | Cakes, Cookies, Pies, Bread, Puffs and Crackers | Biological Food and Agricultural Products | IS 5401 (Part 1) |
| Total plate count | Cakes, Cookies, Pies, Bread, Puffs and Crackers | Biological Food and Agricultural Products | IS 5402 (Part 1) |
| Yeast and mould | Cakes, Cookies, Pies, Bread, Puffs and Crackers | Biological Food and Agricultural Products | IS 5403 |
| Total coliforms | Cooked food, Readymade chapatti, Prepared food | Biological Food and Agricultural Products | IS 5401 (Part 1) |
| Total plate count | Cooked food, Readymade chapatti, Prepared food | Biological Food and Agricultural Products | IS 5402 (Part 1) |
| Yeast and mould | Cooked food, Readymade chapatti, Prepared food | Biological Food and Agricultural Products | IS 5403 |
| Total coliforms | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5401 (Part 1) |
| Total coliforms | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5401 (Part 1) |
| Total plate count | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5402 (Part 1) |
| Total plate count | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5402 (Part 1) |
| Yeast and mould | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5403 |
| Yeast and mould | Flavored milk, Pasteurized milk, Pasteurized cream, Sweet condensed milk, Pasteurized butter, Milk powder, Ice cream, Cheese, Paneer, and Khoa based sweets | Biological Food and Agricultural Products | IS 5403 |
| Coliforms | Sprouted Grains, Sweet corn, Packed Wet Grains, Instant Noodles, Pasta, Batters and Dough Products | Biological Food and Agricultural Products | IS 5401 part 1 |
| Staphylococcus aureus | Sprouted Grains, Sweet corn, Packed Wet Grains, Instant Noodles, Pasta, Batters and Dough Products | Biological Food and Agricultural Products | IS 5887 Part 2 |
| Total plate count | Sprouted Grains, Sweet corn, Packed Wet Grains, Instant Noodles, Pasta, Batters and Dough Products | Biological Food and Agricultural Products | IS 5402 (Part 1) |
| Yeast and mould | Sprouted Grains, Sweet corn, Packed Wet Grains, Instant Noodles, Pasta, Batters and Dough Products | Biological Food and Agricultural Products | IS 5403 |
| Escherichia coli | Sprouted Grains, Sweet corn, Packed Wet Grains, Instant Noodles, Pasta, Batters and Dough Products | Biological Food and Agricultural Products | IS 5887 Part 1 |
| Standard plate count | Distilled, demineralised and Type 1 water | Biological Water | IS 1622 |
| Escherichia coli | Distilled, demineralised and Type 1 water | Biological Water | IS 15185 |
| Total coliforms | Distilled, demineralised and Type 1 water | Biological Water | IS 15185 |
| Coliforms | Drinking water, RO water, Potable water, Treated water, Softener water | Biological Water | IS 15185 |
| Escherichia coli | Drinking water, RO water, Potable water, Treated water, Softener water | Biological Water | IS 15185 |
| Standard plate count | Drinking water, RO water, Potable water, Treated water, Softener water | Biological Water | IS 1622 |
| Coliforms | Packaged drinking water | Biological Water | IS 15185 |
| Escherichia coli | Packaged drinking water | Biological Water | IS 15185 |
| Coliforms | Packaged natural mineral water | Biological Water | IS 15185 |
| Escherichia coli | Packaged natural mineral water | Biological Water | IS 15185 |
| Coliforms | Surface water, Bore water, Raw water, Boiler water | Biological Water | IS 15185 |
| Escherichia coli | Surface water, Bore water, Raw water, Boiler water | Biological Water | IS 15185 |
| Escherichia coli | Surface water, Bore water, Raw water, Boiler water | Biological Water | IS 1622 |
| Faecal coliforms | Surface water, Bore water, Raw water, Boiler water | Biological Water | IS 1622 |
| Total coliforms | Surface water, Bore water, Raw water, Boiler water | Biological Water | IS 1622 |
| Ammoniacal Nitrogen | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 34 / Sec: 1-5a) |
| Biochemical Oxygen Demand (BOD) @ 27°C for 3 days | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 44) |
| Chemical Oxygen Demand (COD) | Wastewater | Chemical Environment and Pollution | APHA 5220-C, 24th edition |
| Chloride | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 32) |
| Colour | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 4) |
| Chromium (Cr) | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 52) |
| Dissolved Oxygen | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 38) |
| Electrical Conductivity | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 14) |
| Fluoride | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 60) |
| Iron (Fe) | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 53) |
| Magnesium (Mg) | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 46) |
| Nitrate as NO3 | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 34 / Sec: 1-6a) |
| Nitrite as NO2 | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 34 / Sec: 1(7) |
| Oil and Grease | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 39) |
| pH | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 11) |
| Phosphorus as P | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 31 / Sec: 1-b) |
| Potassium | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 45) |
| Sodium | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 45) |
| Sulphate | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 24) |
| Total Alkalinity | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 23) |
| Total Dissolved Solids @ 180°C | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 16) |
| Total Hardness | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 21) |
| Total Kjeldahl Nitrogen as TKN | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 34 / Sec: 1-8a) |
| Total Solids | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 15) |
| Total Suspended Solids | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 17) |
| Total Volatile Solids | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 18) |
| Turbidity | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 10) |
| Zinc (Zn) | Wastewater | Chemical Environment and Pollution | IS 3025 (Part 49) |
| Chromium (Cr) | Drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 52) |
| Copper (Cu) | Drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 42) |
| Lead (Pb) | Drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 47) |
| Manganese (Mn) | Drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 59) |
| Chromium (Cr) | Ground water (bore well, well and raw water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 52) |
| Copper (Cu) | Ground water (bore well, well and raw water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 42) |
| Lead (Pb) | Ground water (bore well, well and raw water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 47) |
| Manganese (Mn) | Ground water (bore well, well and raw water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 59) |
| Chromium (Cr) | Packaged drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 52) |
| Copper (Cu) | Packaged drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 42) |
| Lead (Pb) | Packaged drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 47) |
| Manganese (Mn) | Packaged drinking water | Chemical Residues and Contaminants in Water | IS 3025 (Part 59) |
| Chromium (Cr) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 52) |
| Copper (Cu) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 42) |
| Lead (Pb) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 47) |
| Manganese (Mn) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Residues and Contaminants in Water | IS 3025 (Part 59) |
| Copper (Cu) | Wastewater | Chemical Residues and Contaminants in Water | IS 3025 (Part 42) |
| Lead (Pb) | Wastewater | Chemical Residues and Contaminants in Water | IS 3025 (Part 47) |
| Manganese (Mn) | Wastewater | Chemical Residues and Contaminants in Water | IS 3025 (Part 59) |
| Ammoniacal Nitrogen | Drinking water | Chemical Water | IS 3025 (Part 34) |
| Calcium as Ca | Drinking water | Chemical Water | IS 3025 (Part 40-a) |
| Chloride | Drinking water | Chemical Water | IS 3025 (Part 32) |
| Colour | Drinking water | Chemical Water | IS 3025 (Part 4) |
| Electrical Conductivity @ 25°C | Drinking water | Chemical Water | IS 3025 (Part 14) |
| Fluoride as F | Drinking water | Chemical Water | IS 3025 (Part 60 / Sec: 1a) |
| Iron (Fe) | Drinking water | Chemical Water | IS 3025 (Part 53) |
| Magnesium (Mg) | Drinking water | Chemical Water | IS 3025 (Part 46) |
| Nitrate as NO3 | Drinking water | Chemical Water | IS 3025 (Part 34 / Sec: 1-6a) |
| Nitrite as NO2 | Drinking water | Chemical Water | IS 3025 (Part 34 / Sec: 1(7) |
| Odour | Drinking water | Chemical Water | IS 3025 (Part 5) |
| pH | Drinking water | Chemical Water | IS 3025 (Part 11) |
| Phosphorus as P | Drinking water | Chemical Water | IS 3025 (Part 31 / Sec: 1-b) |
| Potassium as K | Drinking water | Chemical Water | IS 3025 (Part 45-a) |
| Residual Chlorine | Drinking water | Chemical Water | IS 3025 (Part 26-a) |
| Sodium as Na | Drinking water | Chemical Water | IS 3025 (Part 45-a) |
| Sulphate | Drinking water | Chemical Water | IS 3025 (Part 24) |
| Taste | Drinking water | Chemical Water | IS 3025 (Part 7) |
| Total Alkalinity as CaCO3 | Drinking water | Chemical Water | IS 3025 (Part 23) |
| Total Dissolved Solids @ 180°C | Drinking water | Chemical Water | IS 3025 (Part 16) |
| Total Hardness as CaCO3 | Drinking water | Chemical Water | IS 3025 (Part 21-a) |
| Total Solids | Drinking water | Chemical Water | IS 3025 (Part 15) |
| Total Suspended Solids | Drinking water | Chemical Water | IS 3025 (Part 17) |
| Turbidity | Drinking water | Chemical Water | IS 3025 (Part 10) |
| Zinc (Zn) | Drinking water | Chemical Water | IS 3025 (Part 49) |
| Ammoniacal Nitrogen | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 34) |
| Calcium as Ca | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 40) |
| Chloride | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 32) |
| Colour | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 4) |
| Electrical Conductivity @ 25°C | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 14) |
| Fluoride as F | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 60) |
| Iron (Fe) | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 53) |
| Magnesium (Mg) | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 46) |
| Nitrate as NO3 | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 34) |
| Nitrite as NO2 | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 34) |
| Odour | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 5) |
| pH | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 11) |
| Phosphorus as P | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 31) |
| Potassium as K | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 45) |
| Residual Chlorine | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 26) |
| Sodium as Na | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 45) |
| Sulphate | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 24) |
| Taste | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 7) |
| Total Alkalinity as CaCO3 | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 23) |
| Total Dissolved Solids @ 180°C | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 16) |
| Total Hardness as CaCO3 | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 21) |
| Total Solids | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 15) |
| Total Suspended Solids | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 17) |
| Turbidity | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 10) |
| Zinc (Zn) | Ground water (bore well, well and raw water) | Chemical Water | IS 3025 (Part 49) |
| Ammoniacal Nitrogen | Packaged drinking water | Chemical Water | IS 3025 (Part 34) |
| Calcium as Ca | Packaged drinking water | Chemical Water | IS 3025 (Part 40) |
| Chloride | Packaged drinking water | Chemical Water | IS 3025 (Part 32) |
| Colour | Packaged drinking water | Chemical Water | IS 3025 (Part 4) |
| Electrical Conductivity @ 25°C | Packaged drinking water | Chemical Water | IS 3025 (Part 14) |
| Fluoride as F | Packaged drinking water | Chemical Water | IS 3025 (Part 60) |
| Iron (Fe) | Packaged drinking water | Chemical Water | IS 3025 (Part 53) |
| Magnesium (Mg) | Packaged drinking water | Chemical Water | IS 3025 (Part 46) |
| Nitrate as NO3 | Packaged drinking water | Chemical Water | IS 3025 (Part 34) |
| Nitrite as NO2 | Packaged drinking water | Chemical Water | IS 3025 (Part 34) |
| Odour | Packaged drinking water | Chemical Water | IS 3025 (Part 5) |
| pH | Packaged drinking water | Chemical Water | IS 3025 (Part 11) |
| Phosphorus as P | Packaged drinking water | Chemical Water | IS 3025 (Part 31) |
| Potassium as K | Packaged drinking water | Chemical Water | IS 3025 (Part 45) |
| Residual Chlorine | Packaged drinking water | Chemical Water | IS 3025 (Part 26) |
| Sodium as Na | Packaged drinking water | Chemical Water | IS 3025 (Part 45) |
| Sulphate | Packaged drinking water | Chemical Water | IS 3025 (Part 24) |
| Taste | Packaged drinking water | Chemical Water | IS 3025 (Part 7) |
| Total Alkalinity as CaCO3 | Packaged drinking water | Chemical Water | IS 3025 (Part 23) |
| Total Dissolved Solids @ 180°C | Packaged drinking water | Chemical Water | IS 3025 (Part 16) |
| Total Hardness as CaCO3 | Packaged drinking water | Chemical Water | IS 3025 (Part 21) |
| Total Solids | Packaged drinking water | Chemical Water | IS 3025 (Part 15) |
| Total Suspended Solids | Packaged drinking water | Chemical Water | IS 3025 (Part 17) |
| Turbidity | Packaged drinking water | Chemical Water | IS 3025 (Part 10) |
| Zinc (Zn) | Packaged drinking water | Chemical Water | IS 3025 (Part 49) |
| Ammoniacal Nitrogen | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 34) |
| Calcium as Ca | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 40) |
| Chloride | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 32) |
| Colour | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 4) |
| Electrical Conductivity @ 25°C | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 14) |
| Fluoride as F | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 60) |
| Iron (Fe) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 53) |
| Magnesium (Mg) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 46) |
| Nitrate as NO3 | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 34) |
| Nitrite as NO2 | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 34) |
| Odour | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 5) |
| pH | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 11) |
| Phosphorus as P | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 31) |
| Potassium as K | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 45) |
| Residual Chlorine | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 26) |
| Sodium as Na | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 45) |
| Sulphate | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 24) |
| Taste | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 7) |
| Total Alkalinity as CaCO3 | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 23) |
| Total Dissolved Solids @ 180°C | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 16) |
| Total Hardness as CaCO3 | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 21) |
| Total Solids | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 15) |
| Total Suspended Solids | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 17) |
| Turbidity | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 10) |
| Zinc (Zn) | Surface water (lake, pond, stream, reservoir, river and sea water) | Chemical Water | IS 3025 (Part 49) |
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S.No order follows the NABL scope annexure to certificate NABLT0626TN18188.
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