Overhead Water Tank Cleaning in IP Extension

Overhead tanks in IP Extension

Off the Patparganj and Hasanpur roads, IP Extension packs in hundreds of multi-storey CGHS blocks, arguably the largest concentration of cooperative group-housing in the city. Each society runs a big underground sump that pumps up to rooftop overhead tanks supplying whole staircases of flats, which makes this textbook society and RWA tank territory. Capacities are large, so a proper clean needs a crew, a pump-out and a full disinfection rather than a quick wipe. Most blocks settle into a quarterly or half-yearly rhythm managed by the RWA.

For the rooftop stage we drain the overhead tank, pump out the sludge, jet-wash the walls, scrub the corners and disinfect to a drinking-water standard, closing with photos and a quality report in the society's name. Sumps are handled alongside where present; the full area service is at water tank cleaning in IP Extension.

Why IP Extension's high-capacity society tanks need a disciplined schedule

A rooftop tank serving thirty or forty flats holds a large standing volume that turns over slowly, and slow turnover is exactly what lets sediment settle and biofilm establish. The water arrives via the sump, so any silt down there rides up on each pump cycle and adds to the load on the roof. On these capacities the deposit is measured in kilograms, not a thin film, by the time a year has passed.

Left long enough, the base sludge starts to smell and the wall biofilm dulls the water for every flat on the riser at once. Because the tank is shared, no single family fixes it; it takes an RWA decision. A booked quarterly or half-yearly clean, sequenced around supply hours so no block goes dry, keeps the whole society's water dependable.

How we do it — our 6-step process

• 1. Drainage We drain the overhead tank down to the sludge line, saving the clean water where we can.
• 2. Sludge Removal The heavy sediment, mud and settled muck at the bottom is scooped out manually.
• 3. Vacuum Cleaning Industrial wet-vacuums lift the loosened dirt from every corner of the tank.
• 4. High-Pressure Jet A high-pressure jet wash on the walls, floor and ceiling breaks off calcium scale and algae.
• 5. Anti-Bacterial Wash A disinfectant wash kills the remaining bacteria and algae before the tank refills.
• 6. Quality Report Before and after photos are sent to you on WhatsApp.

Overhead Water Tank Cleaning prices in IP Extension

• Up to 500 litres (loft / small flat tank) — ₹699
• 501–1,000 litres (standard flat / builder floor) — ₹899
• 1,001–2,000 litres — ₹1,299–1,499
• Society shared rooftop tank (2,000–3,000L each) — ₹1,500–2,000 per tank, bulk discount on 4+

No travel charge anywhere in IP Extension. The final price is confirmed on the call before we come — it depends only on tank size and access.

Areas we cover in IP Extension

We reach every pocket of IP Extension — and there’s no travel charge to any of them:

The water in IP Extension: what our crews see

Every locality in Delhi stores different water, and that decides how fast a tank fouls. This is IP Extension’s profile from The Delhi Water Index, built from our field observations across 250+ localities.

Common questions from IP Extension customers

“Do you offer an annual contract for a society's tanks?” Yes. Many IP Extension RWAs prefer an AMC that schedules the overhead tanks quarterly or half-yearly, with a fixed rate agreed up front and a quality report after each visit. It takes the reminder off the office-bearers and keeps every block on the same cycle.

“How is a big society overhead tank priced?” ₹699 is the base for tanks up to 500L, but most society banks here are far larger, so we confirm the litres and quote before the visit. The per-tank rate covers drain, pump-out, jet-wash, scrub and disinfection whatever the size.

“Can you clean several blocks of one society in a day?” Often yes, with enough crew and a schedule agreed with the RWA. We stagger the blocks so each refills on time, and issue one consolidated set of before-and-after photos for the society's maintenance file.

“How do you avoid leaving flats without water?” We time each tank's clean to its block's supply hour, draining after a fill and finishing before the next one. On a multi-block booking we sequence the roofs so no staircase is dry at peak use.

“Our AGM asks for maintenance proof. What do we get?” A dated quality report per tank in the society's name plus interior before-and-after photographs, formatted so the RWA can file them and present them at the AGM. It is the paper trail cooperative societies here are expected to keep.

Explore more from KaamGenie

See our complete water tank cleaning services in Delhi NCR — pricing, process, tank types and full city coverage.

Beyond water tank cleaning, KaamGenie is rolling out a full lineup of home services across Delhi NCR — see our complete list of 12 home services we offer or will be launching through 2026. New to tank cleaning? Read our guide on how to pick the right water tank cleaning service in Delhi — what to look for, what to avoid, and the questions that separate trustworthy crews from quick-job operators.

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