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

Water tank cleaning in Jabal Al Noor Makkah

Jabal Al Noor is a residential district spread across the foot of the mountain of Hira Cave that draws a constant stream of pilgrims and visitors year round, with apartment blocks and hotels wrapped around the slopes at different elevations. Your tank endures unequal pressure due to the steep terrain and altitude differences, and visitor traffic raises consumption beyond residential levels.

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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 Jabal Al Noor

Tanks at different elevations on the mountain suffer extreme pressure variation, and the terrain complicates pipe routes and creates weak points prone to leakage. The method is set out in full on the full Water tank cleaning page.

The first reason

Sharp pressure swings from altitude cause ruptures

The difference between base elevation and hilltop creates enormous pressure variation in the water system. Tanks on upper floors and at the base endure unbalanced pressure, and long vertical pipes crack and leak under the stress.

The second reason

Seasonal visitor spikes push consumption up sharply

Jabal Al Noor draws pilgrims, umrah visitors and tourists year round, hotels fill and tanks work at pressures higher than domestic use alone. Consumption spikes rapidly at peaks then drops suddenly, cycling stress through the system.

The third reason

Sloped pipework traps sediment at low points

Pipes running uphill and downhill across the mountain terrain allow sediment to accumulate where pipes dip low. Heavy sediment packs onto pipe walls and reduces bore diameter, raising pressure elsewhere in the network.

Jabal Al Noor on the map

Jabal Al Noor sits about 1.5 km from Al Adl and about 2.5 km from Al Khansa.

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Before treatment

The condition of the tank decides the method

The district sits at the slopes of Jabal Al Noor with challenging terrain, and residential blocks and hotels are scattered at different elevations, causing sharp swings in water pressure as the system climbs and descends.

Fine brown sediment beneath shallow water

The layer on the floor

The floor collects heavy sediment from pressure swings and altitude, with heavier particles settling quickly in low pressure zones.

Light and algae

Light and algae may appear if the tank sits exposed on the slope, and low pressure at height allows air to enter.

A damp concrete wall carrying a dark deposit

The deposit on the wall

Wall deposits form from sediment layers and mould due to pressure variation and slow water movement at certain points.

A concrete surface with a fine hairline crack

The lining and hairline cracks

The lining may crack from unbalanced pressure and repeated expansion and contraction across different elevations.

The lid of a water tank on a building roof

The lid and the access hatch

The lid and access hatches need careful inspection due to uneven pressure and high winds on the mountain.

A plastic pipe leaving the exterior wall of a building

The vent and the overflow pipe

Vent openings and overflow pipes may clog from complex sediment buildup and mould growth from low pressure and moisture.

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.

What is different about Al Maabdah Sub-Municipality

Al Maabdah sub municipality climbs from Al Abtah and Al Jumayzah beside the Al Mualla cemetery up through Al Khansa and Rai Adhakhir to Al Adl, Jabal Al Nour, Wadi Jaleel and Qurtubah on the outer ring roads. It mixes hotels and pilgrim housing near the Grand Mosque with old popular houses on hillside passes, new housing schemes on valley floors that carry flash floods after rain, and industrial plots, workshops and warehouses along Al Hajj Street in Qurtubah. Street widening and expropriation leave partly demolished frontages in Al Khansa.

Questions about this district

Why is water pressure so different on upper and lower floors?

The difference in elevation creates a large hydrostatic pressure difference. Upper floors get lower pressure and lower floors experience much higher pressure than intended.

Do sloped pipes need special maintenance here?

Yes, pipes running across slopes trap sediment in low spots. Regular inspection and pipe flushing is more critical than in flat terrain.

Does a tank on the hilltop need different cleaning?

Hilltop tanks suffer low pressure and slow water flow. Bacteria may grow faster in stagnant water than in the higher pressure sections.

Why does water discolour more quickly here than elsewhere?

Sediment buildup in complex pipework and sharp pressure swings raise discolouration rates. Heavy visitor usage during peaks accelerates the process.

Should we add filters on the upper floor pipes?

A filter on the main tank inlet is essential, but extra filters on upper floors may help if pressure is very low.

Does the mountainous terrain cause health risks in the water?

Steep terrain raises sediment and bacterial problems, but regular cleaning and filtration reduce the risks significantly.

How much does water tank cleaning in Jabal Al Noor 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 Jabal Al Noor.