HARD WATER DATA

Hard Water in
Delhi

TDS data for 56 towns and cities across Delhi, sorted from highest TDS down.

CITIES COVERED

STATE AVG TDS

476 ppm

HIGHEST TDS

Chandni Chowk 630 ppm

LOWEST TDS

Sarai Kale Khan 405 ppm

STATE OVERVIEW

How hard water usually shows up across Delhi.

Delhi is the clearest example of treated water that is still hard on appliances.

Most Delhi households receive biologically treated supply, but treatment does not remove the dissolved calcium and magnesium that create scale. That leaves residents with water that looks acceptable in a glass yet still roughens washing machine drums, marks bathroom surfaces, and slows kettles and geysers over time.

The biggest maintenance problem in Delhi is not usually taste or appearance. It is long-term appliance wear from medium-to-high TDS across dense residential neighborhoods.

USE THIS PAGE TO

Start with the broad state pattern, then move into the city pages that are most relevant to your own area and appliance mix.

Delhi works best as a locality-aware ranking market rather than a generic city page market.

FEATURED CITIES IN DELHI

Start with the cities people check most often in Delhi.

These city guides are the most useful starting points for understanding hard-water conditions, appliance risk, and cleaning frequency across Delhi.

Rohini

North West Delhi

570 ppm

Saket

South Delhi

560 ppm

Mayur Vihar

East Delhi

560 ppm

Janakpuri

West Delhi

540 ppm

Delhi

Central Delhi

520 ppm

Dwarka

South West Delhi

520 ppm

GUIDES FOR DELHI

Read the best supporting guides for Delhi.

These articles give the main state page better topical support around TDS, appliance damage, and regional hard-water intent instead of leaving it as only a city directory.

REGIONAL GUIDE

Hard Water in Delhi: Why NCR Has Some of India's Worst Scale

COMPARISON

Delhi vs Noida vs Gurugram: Which City Has Harder Water?

TDS GUIDE

Descaling Schedule by TDS Level for Indian Appliances

BATHROOM GUIDE

Best Showerhead Descaler in India for Hard Water Scale

STATE FAQ

Common questions about hard water in Delhi.

Is Delhi a hard water state?+

Delhi averages about 476 ppm across 56 covered cities and towns, which puts much of the state in a high hard-water range for household appliances. That is enough to create visible scale, slower heating, and higher maintenance needs even when the water looks normal.

Which city has the highest TDS in Delhi?+

In this dataset, Chandni Chowk is currently the highest covered city in Delhi at about 630 ppm. That level is strong enough to justify more aggressive descaling for geysers, kettles, and washing machines.

How often should appliances be descaled in Delhi?+

In many Delhi homes, monthly or near-monthly washing-machine and kettle descaling is a good baseline, with geysers checked on a shorter service cycle than soft-water markets.

Does water vary across cities in Delhi?+

Yes. Delhi is not one uniform water market. In this dataset the range runs from about 405 ppm in Sarai Kale Khan up to about 630 ppm in Chandni Chowk, which is why city-level pages matter more than broad statewide assumptions.

High | 36 cities

Extreme | 20 cities

Chandni Chowk

North Delhi

EXTREME

630 ppm

Najafgarh

South West Delhi

EXTREME

620 ppm

Karol Bagh

Central Delhi