A technician washing the inside wall of a water tank with a pressure hose

Water tank cleaning in Bani Malik Jeddah

Bani Malik is an old commercial and workshop district between King Fahd Road and the Haramain Road, home to car repair shops, warehouses and the traditional market. Tanks here face metal dust and engine oil and industrial grit from the workshops, and airborne particles enter through every opening unceasingly. Water quality drops fast under the constant load of trade.

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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 Bani Malik

Tanks at car workshops and near warehouses here carry metallic sand and oil traces, and the floor collects fine metal particles that do not dissolve in ordinary water. The method is set out in full on how we approach Water tank cleaning.

The first reason

Metallic dust from car workshop activity

Car repair workshops raise metallic dust, engine oil aerosols and iron particles continuously. These contaminants enter through vents and cracks, settling heavily on the tank floor, often too fine and dense to suspend in plain water.

The second reason

Water quality under commercial pressure demand

Warehouses, markets and workshops create high pressure demand on the supply line. Pressure drops at peak times can allow contamination to enter from outside through hairline cracks in aging tanks, especially where seals have failed.

The third reason

Vent openings in a workshop environment

Tank openings sit surrounded by constant workshop and commercial activity. Metal dust and oils clog vent caps rapidly, poor ventilation traps moisture, and stagnant conditions accelerate algae growth and deposit buildup.

Bani Malik on the map

Bani Malik sits about 2 km from Al Naseem and about 2 km from Al Wurud.

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Before treatment

The condition of the tank decides the method

Historic popular quarters around Bani Malik Market with numerous car repair shops, built on land near the old city wall, with narrow streets and continuous heavy commercial traffic.

Fine brown sediment beneath shallow water

The layer on the floor

Heavy metallic deposits coat the floor, and iron particles and metal sand do not dissolve in plain water and need vigorous scrubbing and high pressure washing to remove.

Light and algae

Algae and moisture find shelter in tanks surrounded by workshop activity, and dust clogged vents reduce airflow and accelerate growth.

A damp concrete wall carrying a dark deposit

The deposit on the wall

Tank walls carry black film from oils and metal dust and algae, and this layer needs strong chemical cleaning to dissolve and wash away.

A concrete surface with a fine hairline crack

The lining and hairline cracks

Hairline cracks in linings allow fine metallic particles to enter, and metallic deposits may seed external rust on pipes from the outside.

The lid of a water tank on a building roof

The lid and the access hatch

Tank lids sit in dusty metallic air, and maintenance hatches may be plugged with metal sediment or congealed oil blocking access.

A plastic pipe leaving the exterior wall of a building

The vent and the overflow pipe

Vent openings clog with metal dust and oil, and overflow pipes may carry metallic deposits that impede natural drainage.

How we work

1
Inspect before the drain

Tank type and material, the condition of the lining, the depth of the sediment, the lid and the vent, and where the drained water will go. We agree the window without supply before anything is opened.
2
Drain, then lift the sludge

The water leaves through the outlet, then the layer beneath it is taken out by hand and by suction. That layer is the reason for the visit, not the water that ran out ahead of it.
3
High pressure wash

Walls, floor and the joint where they meet, with a brush wherever the film resists, then the wash water is taken out completely so nothing we lifted settles again.
4
Disinfect and put back in service

Disinfectant over every internal surface, left for its contact time and then rinsed out, followed by the refill, a first draw off at the taps, and a report on what was inside the tank.

What water tank cleaning includes

An inspection before the valve

Tank type, lining condition, depth of sediment, lid and vent, recorded before any water leaves.
Full drain and sediment removal

The water through the outlet, and the layer below it by hand and by suction until the floor itself is showing.
Pressure washing walls and floor

High pressure across the surfaces and corners, and a brush on anything water alone will not lift.
Disinfection after the wash

A disinfectant intended for drinking water tanks, named to you before it is used, left for its contact time and then rinsed out.
Refill and the first draw off

We refill, run the taps so the new water moves through the pipework, and tell you when it is ready to use.
A report and the next date

What was inside the tank, anything on the lid or the lining that needs repair, and a sensible date for the next clean.

The character of Bani Malik

Commercial area: offices, showrooms and small stores

A commercial area means the tank faces constant contamination from workshops, warehouses and markets, with metal dust and oils and grit entering continuously. High network pressure demand can mean pressure failure allows contaminants in through hairline cracks.

Questions about this district

Do car workshop oils enter the tank water from nearby shops?

Yes, especially if a workshop sits directly adjacent. Oils float on the water surface or settle below, causing off taste and strange odour that spreads through the supply.

Why does the water contain white metallic sand?

Metal dust from car work and metal grinding enters through openings. Strong cleaning and disinfection are essential, and internal water filtration may be needed if contamination is severe.

Does pressure loss allow contamination to enter from outside?

Yes, especially at peak demand times when workshops draw heavy flows. Pressure drop can allow foul air to be drawn inward through tiny cracks, seeding the tank with bacteria.

Is cleaning the tank alone enough or must pipes be cleaned too?

Tank and pipes must be cleaned together. Contaminants may deposit inside pipework as well, causing problems even after tank cleaning is complete.

How often must a commercial workshop tank be cleaned?

Workshop and warehouse tanks need cleaning every two months at most, and weekly if contamination is severe and visible in the water.

Does blockage of vent openings affect water quality?

Yes dramatically. Clogged vents reduce airflow and cause humidity and algae to accumulate far more rapidly than normal.

How much does water tank cleaning in Bani Malik 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 Bani Malik.