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

Al Ammariyah sits in central old Jeddah around the ancient Maqbarat Ummina Hawwa cemetery, a historic residential quarter with a tight street grid and closely packed buildings. Tanks here are small and old because old buildings were not designed for large tanks. Moisture from narrow streets and dense building causes constant leaks and contamination.

  • 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 Ammariyah

Buildings here are over fifty or sixty years old, and original tanks are very small and often exposed to moisture and leaks from adjacent walls and floors. The method is set out in full on Water tank sterilization in detail.

The first reason

Very small and old-style tanks

Tanks in Al Ammariyah are small because buildings predate the modern large-tank era. Very old tanks cannot withstand high pressure from the modern city network.

The second reason

Moisture from narrow streets and adjoined building

The very tight lanes and buildings packed tightly together prevent adequate ventilation. Moisture from sewage, soil and streets seeps into tanks through cracks.

The third reason

Still water and constant soil seepage

Old tanks have cracks that leak contaminated water from surrounding soil. Still water in old tanks breeds bacteria and algae rapidly.

Al Ammariyah on the map

Al Ammariyah sits about 1 km from Al Kandarah and about 1 km from Al Balad.

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Before treatment

What we read inside the tank before anything starts

A historic residential quarter in central Jeddah around the ancient Maqbarat Ummina Hawwa burial ground, between Bab Makkah, Al Kandarah and landward Makkah Road, with a very tight street grid and tightly adjoined buildings.

Fine wet sand seen close up

Sediment on the floor

Yellow and brown sediment accumulates because very old tanks and the old well carry heavy minerals and sulfur.

A concrete wall carrying a damp green layer

The slime film on the wall

Black algae and mould grow fast because high moisture and still water create perfect fungal conditions.

A plastic water tank standing on a rooftop

Light and heat

Flushing lines from the furthest point is sensitive in small tanks because pressure is very low and water sits in pipes for long.

A concrete surface carrying fine cracks

The lining and any cracking

Constant moisture from narrow streets and adjoined building causes contaminated water seeping through cracks.

A metal cover over a water tank opening

The lid and the openings

Small tanks leak easily because they are very old and pressure stresses the walls constantly.

A glass of water on a kitchen counter

What shows up at the tap

Mould and bad smell indicate deep bacteria in cracks and corners, and surface cleaning is not enough.

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.

The character of Al Ammariyah

Apartment district: residential blocks, repeated floors and shared entrances

A historic residential quarter with very tightly packed buildings means tanks are smaller than standard and weaker. Treatment needs special care because small old tanks cannot tolerate high flush pressure.

Questions about this district

My tank is very small. Can it be cleaned the same standard way?

Yes, but small tanks need extra care because space is tight. We may use specialized tools to clean the bottom of a small tank.

Why does my water smell bad even after regular cleaning?

The old tank may harbour mould or deep bacteria in cracks. Deep disinfection with crack cleaning removes the smell.

Is it the adjoined building that causes moisture problems?

Partly yes. Moisture comes from soil, sewage and narrow streets, and tight building prevents ventilation that would remove it.

Do I need a new tank or is cleaning enough?

If the tank is sound without obvious leaks, cleaning and disinfection suffice. If leaks are visible, you may need repair or replacement.

How often must this old quarter's tanks be cleaned per year?

At least twice: once in spring and once in autumn. The dense, damp quarter needs more attention than others.

Is water from the well in Al Ammariyah safe from the start?

The well is old and sits near the ancient cemetery. It may carry more minerals and impurities than modern wells, so disinfection is very necessary.

How much does water tank sterilization in Al Ammariyah 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 Ammariyah.

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

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

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