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Water quality by pincode

Check water quality of your area

Enter your pincode to see your area’s water quality: TDS, hardness and key contaminants from government groundwater data, and whether you need an RO purifier.

Water quality by city

Surat~1801 mg/L TDSAhmedabad~1731 mg/L TDSVizag~1448 mg/L TDSHyderabad~1207 mg/L TDSGurgaon~1080 mg/L TDSJaipur~1014 mg/L TDSDelhi~994 mg/L TDSFaridabad~950 mg/L TDSKolkata~896 mg/L TDSVijayawada~879 mg/L TDSChennai~780 mg/L TDSMumbai~719 mg/L TDSGhaziabad~696 mg/L TDSNoida~640 mg/L TDSPune~592 mg/L TDSChandigarh~541 mg/L TDSBangalore~520 mg/L TDSLudhiana~503 mg/L TDSLucknow~371 mg/L TDSGoa~210 mg/L TDSKochi~201 mg/L TDSGuwahati~190 mg/L TDSDehradun~140 mg/L TDS

India Water Quality Index

Average groundwater TDS across the 23 cities we map, from government monitoring data (CGWB / India-WRIS), set against the BIS acceptable limit of 500 mg/L. Tap a column header to sort.

CityAvg TDS (mg/L)Hardness (mg/L)Severity
Surat1801—Very high
Ahmedabad1731—Very high
Vizag1448—Very high
Hyderabad1207—Very high
Gurgaon1080—High
Jaipur1014—High
Delhi994—High
Faridabad950—High
Kolkata896—High
Vijayawada879—High
Chennai780—High
Mumbai719—High
Ghaziabad696—High
Noida640—High
Pune592—High
Chandigarh541—High
Bangalore520—High
Ludhiana503—High
Lucknow371—Acceptable
Goa210—Ideal
Kochi201—Ideal
Guwahati190—Ideal
Dehradun140—Very low

How this works

We map your pincode to the nearest government groundwater monitoring data (CGWB / India-WRIS) and compare it against BIS drinking-water limits. It’s an indicative area reading: always test your own supply.

Data sources

Disclaimer: Figures are indicative area estimates from government groundwater monitoring nearest to this location and may differ from your exact tap or municipal supply. They are not a substitute for a lab test of your own water. This page is general information, not medical advice, and any product suggestion is general guidance based on typical area readings, not a diagnosis of your supply. For health concerns, consult a qualified professional.