Waterborne Diseases & Tank Cleaning
Raj Babbar · 10 min read
Home › Water Tank Cleaning › Sintex / Plastic Tank Cleaning › Shriram Colony (Rajeev Nagar)
In Shriram Colony and Rajeev Nagar, one small plastic Sintex tank on the roof often feeds four or five families across a builder floor. That much daily draw, plus iron-heavy borewell water, means the tank empties and refills constantly and never gets a proper scrub. KaamGenie cleans shared plastic Sintex tanks here from ₹699.
Occupancy is the real problem on these rooftops. A single 500 to 1000 litre Sintex tank is shared between the ground, first and second builder floors, so the water turns over many times a day and sediment keeps getting stirred back into the supply. Because the tank is plastic and sits in open sun, its walls let light through, and that light lets a green film bloom on the inside faster than anyone expects. The very hard, iron-rich borewell that most Rajeev Nagar homes pull adds a rusty scale on top of the algae. With so many people depending on one tank, nobody owner takes charge of cleaning it. We handle the whole tank in one visit so every family on the floor gets clean water again.
This page is about plastic Sintex and other rooftop plastic tanks specifically, the ones that go green in the sun and stain rusty from borewell iron. Our crew drains the tank, scrubs the translucent walls with soft pads rather than wire brushes, gives it an anti-bacterial disinfectant wash and refills it. If you also run an underground sump or a masonry tank in the same building, our wider water tank cleaning in Shriram Colony (Rajeev Nagar) covers those too. Booking is a quick call and most shared tanks are done inside an hour.
The high occupancy is what drives the buildup. When one plastic tank serves many rooms, it is drained and refilled several times a day, and each refill drags in fresh borewell sediment that settles at the base between fills. Over a few weeks that base sludge thickens, and the constant turnover keeps it suspended in the water everyone drinks and bathes with. A tank this busy needs a scrub every three to four months rather than once a year.
On top of the sharing, the sunlight passing through the plastic walls is what turns the inside green. Sintex is translucent, so daylight reaches the water and feeds algae and biofilm along the sides, and the iron-heavy Rajeev Nagar borewell leaves a rusty scale that gives that film something to cling to. We clean plastic tanks in a plastic-safe way, jet pressure dialled down for thin walls and soft pads instead of wire brushes, so the tank comes clean without getting scratched or weakened.
No travel charge anywhere in Shriram Colony (Rajeev Nagar). The final price is confirmed on the call before we come — it depends only on tank size and access.
See it done in 45 seconds
Watch our web story on how a tank is really cleaned — drain, de-sludge, jet-wash, disinfect.
We reach every pocket of Shriram Colony (Rajeev Nagar) — and there’s no travel charge to any of them:
Every locality in Delhi stores different water, and that decides how fast a tank fouls. This is Shriram Colony (Rajeev Nagar)’s profile from The Delhi Water Index, built from our field observations across 250+ localities.
Indicative field characterisation, not a certified lab test. BIS IS 10500: TDS 500 mg/L acceptable, 2,000 permissible. Check any Delhi area →
“One Sintex tank is shared by several families on our floor. How do you split the cost?” For a single shared tank you pay one cleaning charge for the tank, not per family, so the price starts at ₹699 for up to 500 litres. Most floors simply divide that one charge between the households. If the building has four or more tanks we quote a bulk rate for the whole building, which brings the per-tank cost down further.
“Will jet-washing damage a thin plastic Sintex tank?” No. We set the jet pressure specifically for plastic and use soft pads to lift the algae and scale, never wire brushes that scratch the walls. Scratched plastic actually grows algae faster, so the plastic-safe method also keeps the tank cleaner for longer.
“How long is the water supply off during cleaning?” For a typical 500 to 1000 litre shared tank the water is off for about an hour while we drain, scrub, disinfect and refill. We usually suggest a mid-morning slot so the tank is refilled well before the evening rush across all the floors.
“Our borewell water leaves rusty marks inside the tank. Can you remove those?” Yes. The rusty staining comes from the iron in the Rajeev Nagar borewell settling on the plastic, and our scrub and anti-bacterial disinfectant wash lifts most of it. Very old iron scale that has bonded into the plastic may leave a faint tint, but the tank is left hygienic and clear.
“How often should a busy shared tank here be cleaned?” Because one tank feeds many rooms and refills all day, we recommend every three to four months rather than once a year. High turnover keeps stirring sediment back into the water, so a shorter cycle keeps the supply genuinely clean.
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.
Rooftop plastic tanks
₹699+ →Kothi sumps & underground tanks
₹1,499+ →Apartments & RWAs
Bulk pricing →FSSAI-compliant cleaning
₹2,500+ →टंकी साफ़ करने वाले
हिन्दी पढ़ें →View all water tank cleaning guides →
All pockets and lanes of Shriram Colony (Rajeev Nagar) covered. If your specific block or society isn’t named in the sub-areas above, just call — we almost certainly cover it.
Same crew, same 6-step process, same-day where possible. Pick any locality below for local pricing and the tanks we typically find there.
Book a slot — we can usually fit you in today or tomorrow.