Hard Water in
Andaman & Nicobar Islands

Andaman & Nicobar Islands averages about 418 ppm across 16 covered cities and towns, which puts much of the state in a moderate-to-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.

In this dataset, Campbell Bay is currently the highest covered city in Andaman & Nicobar Islands at about 440 ppm. That level is strong enough to justify more aggressive descaling for geysers, kettles, and washing machines.

In lower-TDS parts of Andaman & Nicobar Islands, appliances usually need periodic rather than constant descaling, but regular maintenance still matters because repeated heating leaves deposits behind over time.

Yes. Andaman & Nicobar Islands is not one uniform water market. In this dataset the range runs from about 400 ppm in Great Nicobar up to about 440 ppm in Campbell Bay, which is why city-level pages matter more than broad statewide assumptions.