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

Al Jamiah concentrates around Al Jamiah Roundabout and Old Makkah Road, with dense apartment blocks rising above shops, restaurants and small markets. Water tanks here sit on tall building roofs, exposed to direct sunlight and dust from the busy road. Sediment and algae accumulate rapidly in these 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 Jamiah

The apartment blocks here were built thirty to forty years ago, and older tanks experience sharp daily and nightly temperature swings from direct roof exposure. The method is set out in full on what Water tank sterilization involves.

The first reason

Tanks on tall roofs exposed to direct sun

Water tanks on tall building roofs face direct sunlight all day. Temperatures above the tank reach 60 degrees Celsius, accelerating algae and bacterial growth.

The second reason

Dust and pollution from the busy road

Old Makkah Road is congested with cars and trucks, and dust rises to the rooftops. Open tanks or weak lids allow dust and insects to enter.

The third reason

High pressure load on internal water networks

Tall, densely packed residential buildings put heavy demand on the water network. Sediment accumulates rapidly in distribution pipes and distant taps.

The character of Al Jamiah

Apartment district: residential blocks, repeated floors and shared entrances

A densely built residential area with older-style apartment blocks means tanks are usually conventional roof-mounted without adequate insulation. Treatment must account for old pipes inside buildings being narrow and possibly under high pressure.

Before treatment

What we read inside the tank before anything starts

A densely populated central Jeddah district north of Old Makkah Road, around Al Jamiah Roundabout and medical facilities and markets, between Abdullah Sulaiman Street and Stadium Road to the east.

Fine wet sand seen close up

Sediment on the floor

White and brown sediment accumulates fast because the old water network in the building and district carries mineral particles and rust.

A concrete wall carrying a damp green layer

The slime film on the wall

Green algae grows on tank walls because direct roof sunlight provides light all day.

A plastic water tank standing on a rooftop

Light and heat

Flushing lines from the furthest point is essential because low pressure in distant pipes causes buildup at remote taps.

A concrete surface carrying fine cracks

The lining and any cracking

High moisture and heat speed bacterial growth inside the tank, especially between summer and spring.

A metal cover over a water tank opening

The lid and the openings

Checking lids and seals matters because dust from Makkah Road enters through small cracks.

A glass of water on a kitchen counter

What shows up at the tap

Repeated cloudiness in distant taps suggests sediment was not cleared from the pipes themselves, only from the tank.

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 Jamiah Sub-Municipality

Al Jamiah sub municipality spans the older south of Jeddah. Planned districts such as Al Fayha, Al Thaghr and Madain Al Fahd sit beside crowded popular quarters like the Nazlahs and Al Quraiyat, and beside cleared or clearing land in Ghulail, Petromin and Al Thaalibah awaiting redevelopment. Apartment buildings stand close together above dense runs of shops and restaurants along Old Makkah Road and Prince Majid Road. Drainage in the popular quarters is ageing, humid air drifts in from the port and refinery side to the west, and the flat low lying ground holds rainwater in narrow streets.

Questions about this district

Why does my tank turn cloudy quickly even though it is relatively new?

The tank sits on the roof in direct sunlight and dust from the road. Algae grows fast in warm water and sediment from the old network accumulates quickly.

Is one tank cleaning enough?

One cleaning removes sediment and algae. But in densely packed, congested Al Jamiah, we recommend periodic disinfection every six months.

What causes cloudiness in my taps even after home filtration?

Sediment may come from the tank or from old pipes inside the building. Deep tank cleaning and complete line flushing solves the problem.

Is concrete tank better than plastic in this area?

Concrete tolerates heat better. But both need regular disinfection in Al Jamiah due to heavy external contamination.

How often should one building's tank be disinfected per year?

At least twice: once before summer and once before autumn. The dense, congested area demands extra care.

Are green algae dangerous?

Green algae indicate the tank holds nutrients and light. This means bacteria may also be present, and disinfection is necessary.

How much does water tank sterilization in Al Jamiah 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 Jamiah.

Nearby districts we cover

Other services in Al Jamiah

Other services we provide to residents of Al Jamiah.

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

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

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