A technician washing the inside wall of a water tank with a high pressure hose
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Water tank sterilization in Al Kawthar Jeddah

Al Kawthar is a new fast-growing district east of King Abdulaziz International Airport, with intensive building of modern villas and apartments on wide streets. Tanks here are relatively new but the water distribution system is unstable due to ongoing construction and new network development. Water needs regular sterilization because new pipes may carry building residue and metal dust.

  • Potable-rated materials

    Linings and disinfectants cleared for drinking water tanks, not general-purpose products.

  • You get the downtime first

    How many hours the tank is out of service, told before we start rather than after we finish.

  • A first-draw flush

    We run the first draw off after refilling, and the tank is not handed back until the water runs clear.

  • Ground and roof tanks

    Villas, apartment blocks and premises that need a written record of each visit.

Why the job is different in Al Kawthar

Continuous building and rapid growth means many tanks are very new and untested, and the water network remains unstable due to ongoing expansion. The method is set out in full on Water tank sterilization in detail.

The first reason

New villas and apartments with modern tanks

Villas and buildings here are recently built, from the past ten years or newer. Tanks are made from modern materials and current standards but the distribution system needs testing and comprehensive first sterilization.

The second reason

New and unstable water network

The main water network in Al Kawthar is new and continues to experience maintenance and modification due to ongoing building. Pressure may fluctuate and water may carry deposits from street construction work nearby.

The third reason

Building residue and metal dust in pipes

Intensive building produces metal dust and excavation debris entering the network. New pipes may carry sand, building rubble and rust from the pipes themselves in early use.

The character of Al Kawthar

New development: ongoing construction and vacant plots between the homes

A new and developing district means modern tanks and contemporary pipes but an unstable water network due to ongoing construction. Sterilization must focus on removing building residue and rust from new pipes, not just cleaning old accumulated deposits.

Before treatment

What we read inside the tank before anything starts

A new fast-growing district east of King Abdulaziz International Airport, with Al Hamdaniyah to the north and Al Rayyan to the south. Brisk building over the past decade has created new villas and apartments on a wide street grid near Prince Khalid bin Abdullah Road.

Fine wet sand seen close up

Sediment on the floor

Building residue, metal dust and sand enter new tanks from the main network. Removal requires strong suction and high-pressure washing.

A concrete wall carrying a damp green layer

The slime film on the wall

Rust from new pipes and manufacturing residue settle at tank floor and in pipes. Removal requires chemical and mechanical cleaning together.

A plastic water tank standing on a rooftop

Light and heat

New distribution pipes may contain building debris inside them. Final flush must continue until water runs clear and transparent.

A concrete surface carrying fine cracks

The lining and any cracking

Fluctuating water pressure allows contaminant entry when pressure drops. Sterilant must reach effective concentration with adequate contact time.

A metal cover over a water tank opening

The lid and the openings

New tank walls are clean but may hold manufacturing residue and metal dust. Visual inspection and cleaning confirm complete cleanliness.

A glass of water on a kitchen counter

What shows up at the tap

Final water testing from the furthest tap is critical in Al Kawthar because the network is new and untested. Water must be clear and completely odour-free.

How we work

  1. 1

    Inspect and record the condition

    We open the hatch and work through what the tank is made of and how big it is, how deep the sediment lies, the state of the lining, whether the lid and the overflow seal, and whether there is a crack that has to be repaired before any sterilizing.

  2. 2

    Drain and lift the sediment out

    The water goes out, then the silt and sand are lifted off the floor by suction rather than pushed toward the outlet, because pushing them sends them into the house pipework and the heater.

  3. 3

    High pressure wash

    Walls, floor, corners and the area around the outlet, until the slime film is completely gone. This is the step that makes the sterilizing after it mean anything.

  4. 4

    Sterilize, rinse, then return to service

    The sterilizing agent goes onto the walls, the floor and the underside of the lid and is left for its contact time, then we rinse, refill and run the furthest tap until the whole line is clear.

What water tank sterilization includes

  • A technician inspecting with a flashlight

    A recorded inspection

    Material, capacity, sediment depth, the state of the lining, the lid and the overflow, all before any work begins.

  • A metal floor drain

    Draining and sediment removal

    The water out, and the silt and sand lifted off the floor instead of being pushed into the outlet and the house pipework.

  • A spray nozzle in close detail

    High pressure washing

    Walls, corners and around the outlet, until the biofilm that no disinfectant penetrates has gone.

  • A spray nozzle in close detail

    Sterilizing the internal surfaces

    A sterilizing agent meant for drinking water tanks, applied to the walls, the floor and the underside of the lid, and left for its contact time.

  • A clean kitchen counter after treatment

    Line flush and aftercare

    Rinse, refill and a flush from the furthest tap, when the water is usable again, and what to change in the filter afterwards.

  • The visit report being written on a clipboard

    The next cycle

    We agree the right interval for your tank from how it is filled, how much sun it takes and the condition of the lid.

What is different about Briman Sub-Municipality

Briman sub-municipality sits east of the Haramain expressway on Jeddah's north eastern edge. Its older quarters are planned grids of villas and walk-up flats, while the outer districts are new subdivisions still being built out. Seasonal wadis such as Wadi Umm Hablain and Wadi Al Asla cross the area, groundwater runs high in places, and drainage networks in the newer districts are incomplete, so soil around foundations stays damp. Vacant plots, live building sites and constant dust give crawling insects and rodents easy routes into homes, and the food outlets along the main arteries keep them supplied.

Questions about this district

Why is water sometimes cloudy in Al Kawthar more than in older quarters?

Ongoing construction sends metal dust and sand into the water network. New pipes themselves may release rust when first used.

Do new tanks need sterilization before first use or after?

New tanks need thorough sterilization before first occupation. Sterilization removes building residue, dust and manufacturing deposits.

How many times per year do new tanks need sterilization?

In year one they may need sterilization every three months because the network is still unstable. After that it drops to annual or half-yearly sterilization.

Does first sterilization solve cloudy water permanently?

No. First sterilization cleans the current tank and pipes. But fresh mains water may carry new deposits and needs monitoring.

What is the difference between sterilizing a new tank and an old one?

A new tank is cleaner initially but may carry building residue and rust. An old tank has accumulated deposits and algae needing deeper and longer cleaning.

Does fluctuating pressure in Al Kawthar's network affect water quality?

Very much so. Fluctuating pressure allows contaminants in during low-pressure moments. Regular monitoring is critical here.

How much does water tank sterilization in Al Kawthar cost?

It is set after the inspection, because the price follows the type of infestation, the size of the space, how far it has spread and the number of visits it needs. Send a photo and a description on WhatsApp and we will give you an estimate before we reach Al Kawthar.

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Need water tank sterilization in Al Kawthar? Tell us what you saw and we will tell you what it needs

We reach Al Kawthar at a time we agree, and you get the full cost before we start.

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