What a flood-risk flag actually means

Bangalore does not flood evenly. It floods in patches, and the patches rarely match where you would guess. Two streets can share a pin code and have completely different monsoons. One stays dry and complains about traffic. The other has water at the gate.

So when an area report carries a flood flag, it is not a verdict on the neighbourhood. It is a prompt. It means: on this street, the water question is worth asking on purpose, before you sign, instead of finding the answer in your first July.

Why floods repeat

Most flooding here is not about how much rain falls. It is about where the water is supposed to go. The city was built around connected lakes and the channels between them, and where those channels were built over, heavy rain still takes the old route, now through a basement. A pothole gets fixed. A buried drainage path does not. A street that flooded last year is a strong bet to flood again.

What to do with the flag

• Ask the neighbours, not the broker, how the road held up last monsoon. Neighbours have long memories about water.
• If you can, stand on the street during one hard rain. Half an hour there beats any report, including ours.
• Check the basement parking for old waterlines, and prefer a higher floor on a flagged street.

Plenty of people live happily on flagged streets. They know which corner goes under, they parked accordingly, they took the first floor. That is the goal. Not fear. Knowing which flaws you signed up for, on purpose.