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Water quality report

Water quality in Varanasi

~499mg/L average TDSWithin limit

Source: CGWB Varanasi district brochure (EC-derived), 2013 (Govt. of India). Indicative district-level reading.

Check your exact pincode
TDS (average)
499 mg/L
Within limit
384–672 mg/L range · BIS limit 500 mg/L

Where 499 mg/L sits

499
0Ideal 300BIS 50012002000+

Your area reads Acceptable. BIS rates water up to 500 mg/L as acceptable and 150–300 mg/L as ideal for taste and health.

What an RO purifier changes

Varanasi tap today
~499 mg/L
After RO purification
~25–50 mg/L

An RO membrane typically removes 90–95% of dissolved solids, bringing water into the ideal drinking band. Boon purifiers remineralise after RO so the water isn’t stripped flat.

What this means for you in Varanasi

Taste

Generally clean and light to drink.

Health

Within safe limits, though local supply can vary by season and building.

Appliances

Low scaling risk on taps and appliances.

What to use

A UV/UF purifier is usually enough; RO with mineral balance still helps.

Other parameters that matter

TDS is the headline number, but drinking-water safety also depends on these (BIS IS 10500 limits):

Parameter
BIS limit
Why it matters
Bacteriological (E. coli / coliform)
Nil in any 100 ml
Causes stomach infections; needs UV or boiling.
Fluoride
1.0 mg/L (max 1.5)
Excess causes dental & skeletal fluorosis.
Arsenic
0.01 mg/L
Toxic; long-term exposure is carcinogenic.
Nitrate
45 mg/L
Risky for infants (blue-baby syndrome).
Iron
0.3 mg/L
Metallic taste, staining of fixtures & clothes.
Total hardness
200 mg/L (max 600)
Scaling on taps, geysers & appliances.

Regional watch

The CGWB Annual Ground Water Quality Report (2023 monitoring) flagged nitrate, iron above BIS limits at one or more locations in the Varanasi district. If you draw borewell water, get these tested specifically.

Microbiological note

Bacterial safety (E. coli/coliform) is not part of chemical groundwater monitoring, so it needs a lab test of your own tap, and varies with pipe leaks and monsoon. UV purification (built into Boon purifiers) inactivates bacteria and viruses; RO removes the dissolved contaminants above.

Why is TDS like this in Varanasi?

Most Indian cities draw heavily on groundwater, which dissolves minerals and salts from the soil and rock it sits in. Over-extraction, ageing pipes and local geology push dissolved solids (TDS), hardness and sometimes fluoride, nitrate or arsenic above safe limits. City taps often blend treated municipal supply with borewell water, so two buildings on the same street can read very differently — and levels shift with the seasons, usually peaking just before the monsoon. The figure above is an indicative area reading from government monitoring, so your own tap can differ; testing it twice a year is a good habit. Read our full guide to TDS & how to reduce it ›

Recommended for your water

Boon Tap

from ₹18,500

TDS here averages ~499 mg/L (within BIS limits). Boon Tap keeps it safe with mineral balance and real-time monitoring.

Explore Boon Tap & check delivery

Compare with other cities

Noida~640 mg/L TDSGhaziabad~696 mg/L TDSLucknow~371 mg/L TDSKanpur~650 mg/L TDSAgra~1200 mg/L TDS

See water quality in all 44 cities ›

Varanasi water — questions

What is the TDS of water in Varanasi?
Groundwater near Varanasi has an average TDS of about 499 mg/L, within the BIS acceptable limit of 500 mg/L, based on government monitoring data (CGWB Varanasi district brochure (EC-derived), 2013). Levels range roughly 384 to 672 mg/L across nearby monitoring points.
Is tap water safe to drink in Varanasi?
TDS around 499 mg/L is within BIS limits, but municipal and borewell supply varies by building and season, so test your own water and use a purifier with monitoring to be sure.
Do I need an RO water purifier in Varanasi?
Possibly not for TDS alone, but an RO purifier with mineral balance still protects against seasonal spikes and other contaminants in Varanasi.

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.