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

Al Ajawid is a quiet residential district on elevated ground in south Jeddah, distinguished by low-rise apartment buildings, villas and detached homes. Tanks here are usually rooftop or elevated and enjoy good water quality because the elevated, quiet location is far from air pollution and expressways. However, seasonal humidity and heat cause sediment and mould buildup, especially in older tanks.

  • 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 Ajawid

Most buildings are low-rise residential blocks, luxury villas and family homes with tanks usually rooftop or elevated and maintained regularly by residents. The method is set out in full on Water tank sterilization in detail.

The first reason

Luxury villas with protected tanks

Villas and luxury homes in Al Ajawid contain water tanks usually protected by metal or concrete covers. These tanks offer good protection from air pollutants but may contain high internal humidity.

The second reason

Elevated and quiet location

Al Ajawid sits on elevated ground away from expressways and crowded markets. This means less airborne dust and pollution, but humidity from rainy seasons remains an issue.

The third reason

Pure residential quarter with limited services

Al Ajawid is residential only with few shops or services. Tanks do not face the high water pressure that commercial or hospital tanks endure, but regular maintenance remains essential for cleanliness.

The character of Al Ajawid

Mixed district: shops at street level with homes above them

A quiet residential district with villas and low-rise blocks means tanks are generally protected and regularly maintained. Treatment focuses on light sediment and algae removal and cleanliness upkeep rather than dealing with heavy contamination.

Before treatment

What we read inside the tank before anything starts

A quiet residential district in south Jeddah on relatively elevated ground, bounded by Jeddah Makkah Expressway from the north, Al Shifa from the east, Al Huda from the south and Prince Abdul Majeed Street from the west, with low-rise apartment blocks, villas and residential plots.

Fine wet sand seen close up

Sediment on the floor

Light sediment accumulates slowly on the tank floor from minor pollutants and natural oxidation.

A concrete wall carrying a damp green layer

The slime film on the wall

Algae and mould grow more slowly than in polluted areas but may appear in protected tanks if humidity is high.

A plastic water tank standing on a rooftop

Light and heat

Water lines in villas are usually short and simple, so flushing is quick and easy.

A concrete surface carrying fine cracks

The lining and any cracking

High seasonal humidity in certain months accelerates microbial growth inside the tank.

A metal cover over a water tank opening

The lid and the openings

Tank location is usually rooftop or in a protected room offering good protection from external contaminants.

A glass of water on a kitchen counter

What shows up at the tap

Unlidded tanks may allow insects and dirt entry, while well-protected tanks maintain greater purity.

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 South Sub-Municipality

The South sub municipality runs from the edge of Old Makkah Road down to Al Khumrah and the southern corniche. Dense residential districts sit beside new subdivisions such as Al Sanabil and Al Taawun, warehouse fringes such as Al Saruriyah and Al Sarawat, and an old seaside settlement at Al Quzayn. Open stormwater channels cross the housing, and the warehouses, the vegetable and livestock markets and the nearby Islamic Port and Industrial City give pests shelter, food and year round humidity. Pressure is greatest in the older quarters, where drainage networks are ageing.

Questions about this district

Is water quality in Al Ajawid better than other areas?

Generally yes. Elevated quiet location means less airborne dust and pollution. But seasonal humidity and heat may cause sediment and mould inside the tank.

Do luxury villas need more or less sterilization than apartment blocks?

They may need less if tanks are well protected and regularly maintained. But large tanks may require extra attention.

How does seasonal humidity affect Al Ajawid tanks?

High humidity in certain seasons accelerates algae and mould growth on tank walls. Protected tanks are less exposed but internal problems may still occur.

Is once-yearly sterilization enough for villas?

For districts like Al Ajawid, one annual sterilization may suffice if the tank is well protected. But regular inspection is necessary for early detection of buildup.

Do modern villa tanks differ from old ones?

Yes. Modern tanks are better insulated and designed. But both types need regular sterilization to maintain water purity.

What if you notice a change in water colour or smell?

This may signal sediment or mould in the tank. Immediate sterilization should be requested to avoid health problems.

How much does water tank sterilization in Al Ajawid 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 Ajawid.

Other services in Al Ajawid

Other services we provide to residents of Al Ajawid.

All services

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

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

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