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

Al Sahifah is an old district packed with mid-rise apartment blocks and small retail shops, where tank sediment accumulates rapidly because water supply cuts off frequently and pressure is irregular. Old and newer buildings are interwoven, meaning tanks of different ages and health conditions side by side.

  • 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 Sahifah

Residents and shopkeepers report cloudiness in the water and white deposits in pipes, especially after supply cuts caused by maintenance work on the old main network. The method is set out in full on how we approach Water tank sterilization.

The first reason

Old tanks on rooftops and side walls

Tanks in older buildings are mounted on rooftops or side walls, many made of welded iron or reinforced concrete. Internal rust and biofilm layers build up quickly because tanks are rarely cleaned on schedule.

The second reason

Frequent water cuts and low pressure

The old water network in Al Sahifah suffers from frequent interruptions and inconsistent pressure. When supply cuts, air enters the tanks and pipes, allowing contaminants and bacteria to flow in.

The third reason

Residential and retail buildings share the same line

Apartment buildings and commercial shops often share the same water line and tank. A leak from a shop or residential unit affects others, and sterilization requires coordination across multiple units.

The character of Al Sahifah

Apartment district: residential blocks, repeated floors and shared entrances

Al Sahifah blends old and new, meaning tanks of different ages, materials and conditions. Sterilization requires careful assessment of each tank: some need strong pressure washing, others require caution to avoid damage to weak walls.

Before treatment

What we read inside the tank before anything starts

A central historic quarter lying between Al Balad, Al Ammariyah, Al Kandarah and Al Sabil. Old Makkah Road borders it from the north and King Abdulaziz Road runs through it, combining old urban fabric with relatively newer apartment blocks.

Fine wet sand seen close up

Sediment on the floor

Sediment builds up on the tank floor from salt, minerals and particles from internal rust.

A concrete wall carrying a damp green layer

The slime film on the wall

Biofilm coats the walls of old welded or concrete tanks because supply cuts and bacterial clustering compound over time.

A plastic water tank standing on a rooftop

Light and heat

Pipe lines hold white deposits from calcium and dissolved minerals, especially in old metal pipework.

A concrete surface carrying fine cracks

The lining and any cracking

Tanks in ground rooms or wall cavities receive no sunlight, but darkness and moisture accelerate bacterial growth.

A metal cover over a water tank opening

The lid and the openings

Small cracks in old concrete tanks may allow contaminants to enter from outside soil.

A glass of water on a kitchen counter

What shows up at the tap

Odour in water after a supply cut signals bacterial bloom in the tank that requires immediate sterilization.

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 Al Balad Sub-Municipality

Al Balad sub municipality covers the historic core of Jeddah and the districts that first grew outside its wall. Its building stock is the oldest in the city: heritage stone houses and apartment blocks from past decades, threaded with hotels, shops and crowded popular markets around Bab Makkah, Bab Sharif and the Kandarah Souq. Nearness to the sea, the Islamic Port and the Arbaeen lagoon keeps humidity high all year, water and drainage networks are old, and narrow lanes, dense eateries and commercial storerooms put food and shelter within reach at every corner.

Questions about this district

Why does water turn cloudy quickly in Al Sahifah?

Frequent supply cuts allow air and contaminants to enter tanks and pipes. Old tanks also contain sediment accumulated over years.

Is one sterilization enough for an old tank?

Sterilization removes current bacteria and biofilm. But if the tank is heavily rusted inside, contamination may return quickly unless the tank is replaced.

What drives the cost of sterilization in this area?

The volume of accumulated sediment and biofilm, and the depth of cleaning needed from rusted surfaces.

Is it safe to drink water immediately after sterilization?

After complete sterilization and flushing from the furthest tap in the line, the water is safe. We confirm no sterilizing residue remains.

Does tank age change how we sterilize it?

Yes. Old tanks may have deep rust or small cracks. We clean carefully and inspect the walls closely.

Do ground-level tanks and rooftop tanks need different sterilization methods?

Yes. Rooftop tanks face more heat and UV exposure. Ground tanks retain more moisture and may need extra care against mould growth.

How much does water tank sterilization in Al Sahifah 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 Sahifah.

Nearby districts we cover

Other services in Al Sahifah

Other services we provide to residents of Al Sahifah.

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

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

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