Water Tank Disinfection Explained
Raj Babbar · 10 min read
Home › Water Tank Cleaning › Sintex / Plastic Tank Cleaning › Kishan Ganj
Along the goods-yard lanes of Kishan Ganj the terraces sit almost within reach of the railway sidings, and the small Sintex tanks up there green under the sun while coal dust drifts in. KaamGenie cleans them gently and hygienically. From ₹699.
Stand on a Kishan Ganj rooftop and the railway goods yard is right there, wagons and coal heaps below and the small plastic water tanks all around you catching the same drifting dust. The compact overhead store on these packed old houses is usually a Sintex or plastic tank, and its translucent walls let the rooftop sun pass through to warm the water, giving algae and biofilm the heat they need to spread. At the same time, grit off the goods yard and the railway belt sifts in through loose lids and settles on the plastic floor. A concrete tank would block that light, but the small plastic ones let it in, so the inside greens quietly even as the outside just looks dusty. Tight terraces and narrow access between the houses mean the tanks are left for long stretches. Many are shared across floors, so no one keeps track of when they were last opened.
We clean these compact tanks with a gentle, plastic-safe routine: check the body and lid, drain, hand-scoop the slimy sediment, wet-vacuum the base and jet-wash at a pressure set for plastic. The algae film lifts with soft pads rather than wire brushes, and we finish with an anti-bacterial disinfectant wash before sending before-and-after photos. If the home also has an underground store or an old RCC tank, see our full water tank cleaning in Kishan Ganj. This page focuses specifically on Sintex and plastic tanks.
Two things sit right on top of a Kishan Ganj tank. The first is the sun, which passes through the translucent Sintex wall and warms the water, and warmth is the condition algae and biofilm need to bloom. The second is the goods yard, whose coal and rail-belt dust drifts across the rooftops all day and works into the tank through worn lids. A concrete tank would keep the light out and stay clearer, but the exposed plastic tank warms and greens on the same DJB supply, and it does so faster here because of everything settling on it from the sidings.
The grit is what makes the film cling. Once goods-yard dust lays a rough deposit on the plastic floor, the algae anchors onto it far more stubbornly than it would on smooth plastic, so the coating thickens quickly. Because the tanks are shared across floors and reached only up tight terraces and narrow stairs, cleaning is skipped for long stretches, and a quick rinse never lifts the film off the roughened floor. A full drain and plastic-safe scrub clears both the grit and the green, which is why it holds off longer afterwards than a rinse ever does.
No travel charge anywhere in Kishan Ganj. 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 Kishan Ganj — 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 Kishan Ganj’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 →
“Does coal dust from the goods yard really get inside a closed tank?” It does, mostly through loose or ill-fitting lids. Grit off the sidings and the railway belt drifts over the Kishan Ganj rooftops and settles on the plastic floor, where the algae film grips it, so we clear that deposit and can reseat or flag a poor lid to slow the next build-up.
“How often should a plastic tank near the sidings be cleaned?” Because the rail-belt dust loads these tanks quickly, we suggest cleaning a Sintex tank in Kishan Ganj every three to four months rather than once a year. Clearing the grit regularly stops the algae film from getting a firm hold on the roughened floor.
“What is the price for the small tank on my roof here?” A Sintex up to 500 litres starts at ₹699 and a standard 1000L is ₹899. Larger 1000 to 2000L tanks run ₹1,299 to ₹1,499, and if a couple of floors share more than one plastic tank we give a bulk per-tank rate.
“The terraces are packed and close together. Can your crew reach the tank?” Yes. Our team works these tight goods-yard lanes regularly and carries compact equipment up narrow stairs onto cramped terraces, so close access is not a barrier. Point us to the floor and roof and we plan the route in.
“Do you use anything that might stay behind in a plastic tank?” No. We finish with an anti-bacterial disinfectant wash and then rinse the tank, so nothing harsh is left behind, and we avoid wire brushes that would scratch the plastic. The tank is ready to refill with clean water when we leave.
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 Kishan Ganj 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.